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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
20/01/2024, 21:17
Behavioral task
behavioral1
Sample
a09a3b6b6bea6ef91aef5d0dd4581b88.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
a09a3b6b6bea6ef91aef5d0dd4581b88.exe
Resource
win10v2004-20231215-en
General
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Target
a09a3b6b6bea6ef91aef5d0dd4581b88.exe
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Size
103KB
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MD5
a09a3b6b6bea6ef91aef5d0dd4581b88
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SHA1
098ed5d82ade538154634a9f44d8f91607c23392
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SHA256
6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25
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SHA512
42c383b30292cb2521f70e3dcc30b96553e50866ab965f9304bf2808d90ea4be01efa12d380f6d9b76ffe57f09974d5563e5a6018a2009328ce18a25b4b3d1f8
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SSDEEP
384:y4n/7AKiwBiaJzN5BLiFI4yUvcP3vr042r49ZrAF+rMRTyN/0L+EcoinblneHQMs://hXP5TUvcPgl4HrM+rMRa8Nup0t
Malware Config
Signatures
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Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1532 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation a09a3b6b6bea6ef91aef5d0dd4581b88.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39b05030c645f6e80bce801caf1f7d61.exe windows updator_prdas.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39b05030c645f6e80bce801caf1f7d61.exe windows updator_prdas.exe -
Executes dropped EXE 1 IoCs
pid Process 3744 windows updator_prdas.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\39b05030c645f6e80bce801caf1f7d61 = "\"C:\\Users\\Admin\\windows updator_prdas.exe\" .." windows updator_prdas.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\39b05030c645f6e80bce801caf1f7d61 = "\"C:\\Users\\Admin\\windows updator_prdas.exe\" .." windows updator_prdas.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe 3744 windows updator_prdas.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3744 windows updator_prdas.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe Token: 33 3744 windows updator_prdas.exe Token: SeIncBasePriorityPrivilege 3744 windows updator_prdas.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3348 wrote to memory of 3744 3348 a09a3b6b6bea6ef91aef5d0dd4581b88.exe 92 PID 3348 wrote to memory of 3744 3348 a09a3b6b6bea6ef91aef5d0dd4581b88.exe 92 PID 3348 wrote to memory of 3744 3348 a09a3b6b6bea6ef91aef5d0dd4581b88.exe 92 PID 3744 wrote to memory of 1532 3744 windows updator_prdas.exe 96 PID 3744 wrote to memory of 1532 3744 windows updator_prdas.exe 96 PID 3744 wrote to memory of 1532 3744 windows updator_prdas.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe"C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3348 -
C:\Users\Admin\windows updator_prdas.exe"C:\Users\Admin\windows updator_prdas.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3744 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\windows updator_prdas.exe" "windows updator_prdas.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:1532
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
103KB
MD5a09a3b6b6bea6ef91aef5d0dd4581b88
SHA1098ed5d82ade538154634a9f44d8f91607c23392
SHA2566eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25
SHA51242c383b30292cb2521f70e3dcc30b96553e50866ab965f9304bf2808d90ea4be01efa12d380f6d9b76ffe57f09974d5563e5a6018a2009328ce18a25b4b3d1f8