Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
07/04/2025, 11:09
Static task
static1
Behavioral task
behavioral1
Sample
2025-04-07_7ad31c28848f1ff2193f807cb3deaaf9_black-basta_cobalt-strike_satacom.exe
Resource
win10v2004-20250314-en
General
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Target
2025-04-07_7ad31c28848f1ff2193f807cb3deaaf9_black-basta_cobalt-strike_satacom.exe
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Size
780KB
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MD5
7ad31c28848f1ff2193f807cb3deaaf9
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SHA1
ed58fcebec0ecb5921a3a8f8e1a1647cddfefcfb
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SHA256
013425ffb967f37556591d596ac033ae3a7ad466c512c32685e0cd960fbe670f
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SHA512
7fd16fd547c86f34f1591bdd2cefc4fb42d6893611e43050519f09e6661a3c02404d308aa4d886e3a2b44859e96700ca1603dd636a631ebcd0dcea3fe733a5a0
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SSDEEP
24576:VHHiWcxah9JB/OrWaQ47IbQuLVUpuWsZo:VHHiXahLBWrW58uLVU/sG
Malware Config
Signatures
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DarkVision Rat
DarkVision Rat is a trojan written in C++.
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Darkvision family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 3520 powershell.exe 3520 powershell.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-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation defender.exe -
Executes dropped EXE 4 IoCs
pid Process 5388 000001240029.exe 1520 defender.exe 2044 000001240029.exe 3660 defender.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsUpdateService = "C:\\Users\\Admin\\Documents\\App\\000001240029.exe" 2025-04-07_7ad31c28848f1ff2193f807cb3deaaf9_black-basta_cobalt-strike_satacom.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3520 powershell.exe 3520 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3520 powershell.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2708 wrote to memory of 3520 2708 2025-04-07_7ad31c28848f1ff2193f807cb3deaaf9_black-basta_cobalt-strike_satacom.exe 86 PID 2708 wrote to memory of 3520 2708 2025-04-07_7ad31c28848f1ff2193f807cb3deaaf9_black-basta_cobalt-strike_satacom.exe 86 PID 2708 wrote to memory of 5388 2708 2025-04-07_7ad31c28848f1ff2193f807cb3deaaf9_black-basta_cobalt-strike_satacom.exe 106 PID 2708 wrote to memory of 5388 2708 2025-04-07_7ad31c28848f1ff2193f807cb3deaaf9_black-basta_cobalt-strike_satacom.exe 106 PID 5388 wrote to memory of 1520 5388 000001240029.exe 108 PID 5388 wrote to memory of 1520 5388 000001240029.exe 108 PID 1252 wrote to memory of 2044 1252 cmd.exe 109 PID 1252 wrote to memory of 2044 1252 cmd.exe 109 PID 2044 wrote to memory of 3660 2044 000001240029.exe 110 PID 2044 wrote to memory of 3660 2044 000001240029.exe 110
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-04-07_7ad31c28848f1ff2193f807cb3deaaf9_black-basta_cobalt-strike_satacom.exe"C:\Users\Admin\AppData\Local\Temp\2025-04-07_7ad31c28848f1ff2193f807cb3deaaf9_black-basta_cobalt-strike_satacom.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\Documents\App'"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3520
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C:\Users\Admin\Documents\App\000001240029.exe"C:\Users\Admin\Documents\App\000001240029.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5388 -
C:\Users\Admin\AppData\Roaming\defender\defender.exe"C:\Users\Admin\AppData\Roaming\defender\defender.exe" {D21DBE81-1D94-4C51-8C7C-553B348C2AB9}3⤵
- Checks computer location settings
- Executes dropped EXE
PID:1520
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\App\000001240029.exe1⤵
- Suspicious use of WriteProcessMemory
PID:1252 -
C:\Users\Admin\Documents\App\000001240029.exeC:\Users\Admin\Documents\App\000001240029.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Users\Admin\AppData\Roaming\defender\defender.exe"C:\Users\Admin\AppData\Roaming\defender\defender.exe" {D21DBE81-1D94-4C51-8C7C-553B348C2AB9}3⤵
- Executes dropped EXE
PID:3660
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
489KB
MD515fd5c7d27c1159f2e0b3d5390cc7ec5
SHA12aa47c93a9f39d4972354c7aa7364bd872063bc8
SHA256ed8c6b20e7465732decc3cf2ea073eea6d4915bcfd3ca5546847489153917f0e
SHA51286c22f92afa6f4d13bade402f77903b81f2a302103a784aceced83c631cd2e8d67d531a40a512cf0b0eb52e7cddf71a555c80680add1f77f68d3d884637b1802