General
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://pixeldrain.com/u/pTQAcqFT
Resource
win7-20231215-en
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1207297266575081502/8pNNw7XjV5x3NJruoh5DyQ0-4SAQCe6BhhIyIv91xDxVVGnGIhfAFyQBn7F9GYDazHOv
Extracted
44caliber
https://discord.com/api/webhooks/1207280118632816672/0IZfDvtoISIje6CJrXL_Q-d2-6He_gSbGz-bx0rHpv2QNeoScHFiZ4sukqDpuSEztgqw
Targets
-
-
Target
https://pixeldrain.com/u/pTQAcqFT
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Detect Umbral payload
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Downloads MZ/PE file
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Modifies Windows Firewall
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1