diff --git a/Campaigns/dudear-connection-activity.md b/Campaigns/dudear-connection-activity.md new file mode 100644 index 00000000..213cc302 --- /dev/null +++ b/Campaigns/dudear-connection-activity.md @@ -0,0 +1,44 @@ +# Detect network connection events on a device impacted by the Dudear campaign + +This query was originally published in the threat analytics report, *The expansion of Dudear (TA505)*. + +The [Dudear](https://www.msn.com/en/news/technology/microsoft-detects-new-evil-corp-malware-attacks/ar-BBZxkRs) campaign spreads commodity malware for profit. Other security researchers have given the name *TA505* to a group performing similar or related malicious activity. + +The Dudear campaign targets financial services or healthcare. They involve several kinds of malware implants, including a family of trojan droppers also known as [Dudear](https://www.microsoft.com/en-us/wdsi/threats/malware-encyclopedia-description?Name=TrojanDropper:O97M/Dudear.A!dha&threatId=-2147217587). Dudear campaign operators often use Remote Access Trojans (RATs) for command-and-control, lateral movement, and credential dumping. + +The following query finds network connection events on a device that has connected to a Dudear IP address. To find these devices, see [Detect devices connected to Dudear campaign IPs](dudear.ip.md). + +## Query + +```Kusto +// All network connection spawned by malicious actions on impacted machine +DeviceNetworkEvents +| where InitiatingProcessFileName in ("rundll32.exe", "winless.exe", "reduce1.exe", "64.exe", "excel.exe", "wsus.exe") +| where Timestamp >= datetime(2019-12-06) +``` + +## Category + +This query can be used to detect the following attack techniques and tactics ([see MITRE ATT&CK framework](https://attack.mitre.org/)) or security configuration states. + +| Technique, tactic, or state | Covered? (v=yes) | Notes | +|-|-|-| +| Initial access | | | +| Execution | | | +| Persistence | | | +| Privilege escalation | | | +| Defense evasion | | | +| Credential Access | v | | +| Discovery | | | +| Lateral movement | v | | +| Collection | v | | +| Command and control | v | | +| Exfiltration | | | +| Impact | | | +| Vulnerability | | | +| Misconfiguration | | | +| Malware, component | | | + +## Contributor info + +**Contributor:** Microsoft Threat Protection team diff --git a/Campaigns/dudear-ip.md b/Campaigns/dudear-ip.md new file mode 100644 index 00000000..57aa4911 --- /dev/null +++ b/Campaigns/dudear-ip.md @@ -0,0 +1,44 @@ +# Detect devices connected to Dudear campaign IPs + +This query was originally published in the threat analytics report, *The expansion of Dudear (TA505)*. + +The [Dudear](https://www.msn.com/en/news/technology/microsoft-detects-new-evil-corp-malware-attacks/ar-BBZxkRs) campaign spreads commodity malware for profit. Other security researchers have given the name *TA505* to a group performing similar or related malicious activity. + +The Dudear campaign targets financial services or healthcare. They involve several kinds of malware implants, including a family of trojan droppers also known as [Dudear](https://www.microsoft.com/en-us/wdsi/threats/malware-encyclopedia-description?Name=TrojanDropper:O97M/Dudear.A!dha&threatId=-2147217587). Dudear campaign operators often use Remote Access Trojans (RATs) for command-and-control, lateral movement, and credential dumping. + +The following query finds devices that have connected to IP addresses known to be associated with the Dudear campaign. To detect network connection events on an impacted device, see [Detect network connection events on a device impacted by the Dudear campaign](dudear-connection-activity.md). + +## Query + +```Kusto +// Machines with connections to malicious external IP addresses +DeviceNetworkEvents +| where RemoteIP in ( "91.214.124.53", "95.169.190.29", "185.176.222.101") +| where Timestamp >= datetime(2019-12-06) +``` + +## Category + +This query can be used to detect the following attack techniques and tactics ([see MITRE ATT&CK framework](https://attack.mitre.org/)) or security configuration states. + +| Technique, tactic, or state | Covered? (v=yes) | Notes | +|-|-|-| +| Initial access | | | +| Execution | | | +| Persistence | | | +| Privilege escalation | | | +| Defense evasion | | | +| Credential Access | v | | +| Discovery | | | +| Lateral movement | v | | +| Collection | v | | +| Command and control | v | | +| Exfiltration | | | +| Impact | | | +| Vulnerability | | | +| Misconfiguration | | | +| Malware, component | | | + +## Contributor info + +**Contributor:** Microsoft Threat Protection team \ No newline at end of file