General
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Target
Aim_No_Recoil.bat
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Size
1KB
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Sample
250212-xf9nnasrgv
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MD5
42b088711bf592347c0f48e8f791faf1
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SHA1
4ab3a3361284f35a626e2f06844eeb3e6e22dccc
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SHA256
9a3a79c058974896eb02b3f58409e441fb0e7dc6a391269001fdf7fb3aaaae19
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SHA512
59e4c9eb7d0a72f305797f4ab408d836af6497e2a4ae032f2dcdec16fbd875119e235daf40b2f0a546e039797230f94c0f571b87873778d3bfc41bcf2b6142e7
Static task
static1
Behavioral task
behavioral1
Sample
Aim_No_Recoil.bat
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
Aim_No_Recoil.bat
Resource
win10v2004-20250211-en
Malware Config
Extracted
xworm
3.1
185.172.175.125:5000
Uto2xJheY5reQlME
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Install_directory
%AppData%
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install_file
USB.exe
Targets
-
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Target
Aim_No_Recoil.bat
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Size
1KB
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MD5
42b088711bf592347c0f48e8f791faf1
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SHA1
4ab3a3361284f35a626e2f06844eeb3e6e22dccc
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SHA256
9a3a79c058974896eb02b3f58409e441fb0e7dc6a391269001fdf7fb3aaaae19
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SHA512
59e4c9eb7d0a72f305797f4ab408d836af6497e2a4ae032f2dcdec16fbd875119e235daf40b2f0a546e039797230f94c0f571b87873778d3bfc41bcf2b6142e7
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Detect Umbral payload
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Detect Xworm Payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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UAC bypass
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Umbral family
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Xworm family
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Blocklisted process makes network request
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Drops startup file
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Executes dropped EXE
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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
2Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
2