Resubmissions
29-11-2022 17:31
221129-v34ptadd4y 1006-10-2022 19:02
221006-xpybzsaegm 1005-10-2022 21:49
221005-1pa38sfgc2 10Analysis
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max time kernel
133s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05-10-2022 21:49
Static task
static1
Behavioral task
behavioral1
Sample
AppSetup/Setup.exe
Resource
win7-20220812-en
General
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Target
AppSetup/Setup.exe
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Size
700.0MB
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MD5
7c5d1c8213b4f6d0024271fef44e6cd0
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SHA1
207849a369dae9a6084850791e0ec53209cc928e
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SHA256
bde1ea677730594b57aec1799bb7a51bc1b821ea0f6fa1281127f94cc12445a5
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SHA512
d90f3b0054376d642e0d57f68a9cd54f8a29b893dfa4428a3a8280c0c93fc0c441b412a5367865d306a08a36720a9ed186bc290899f7c55341768188b7fa635d
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SSDEEP
12288:OGnwnjo3r9nWZQzjFeM6DJOjB9sTTHy832srZZUcCO5x9tWFHeQR8KeHj3Fuxkxv:OC9nYQb6VOcdFz9twRgb6kxChx47B
Malware Config
Extracted
colibri
1.2.0
test
http://65.109.7.23/gate.php
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Setup.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation Setup.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Setup.exedescription pid process target process PID 4928 set thread context of 544 4928 Setup.exe Setup.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 3572 powershell.exe 3572 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeSetup.exedescription pid process Token: SeDebugPrivilege 3572 powershell.exe Token: SeDebugPrivilege 4928 Setup.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
Setup.exedescription pid process target process PID 4928 wrote to memory of 3572 4928 Setup.exe powershell.exe PID 4928 wrote to memory of 3572 4928 Setup.exe powershell.exe PID 4928 wrote to memory of 3572 4928 Setup.exe powershell.exe PID 4928 wrote to memory of 544 4928 Setup.exe Setup.exe PID 4928 wrote to memory of 544 4928 Setup.exe Setup.exe PID 4928 wrote to memory of 544 4928 Setup.exe Setup.exe PID 4928 wrote to memory of 544 4928 Setup.exe Setup.exe PID 4928 wrote to memory of 544 4928 Setup.exe Setup.exe PID 4928 wrote to memory of 544 4928 Setup.exe Setup.exe PID 4928 wrote to memory of 544 4928 Setup.exe Setup.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AppSetup\Setup.exe"C:\Users\Admin\AppData\Local\Temp\AppSetup\Setup.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\AppSetup\Setup.exeC:\Users\Admin\AppData\Local\Temp\AppSetup\Setup.exe2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/544-146-0x0000000000000000-mapping.dmp
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memory/544-149-0x0000000000400000-0x0000000000407000-memory.dmpFilesize
28KB
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memory/544-148-0x0000000000400000-0x0000000000407000-memory.dmpFilesize
28KB
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memory/544-147-0x0000000000400000-0x0000000000407000-memory.dmpFilesize
28KB
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memory/3572-144-0x0000000007600000-0x0000000007C7A000-memory.dmpFilesize
6.5MB
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memory/3572-143-0x0000000005F90000-0x0000000005FAE000-memory.dmpFilesize
120KB
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memory/3572-138-0x0000000000000000-mapping.dmp
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memory/3572-139-0x00000000029F0000-0x0000000002A26000-memory.dmpFilesize
216KB
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memory/3572-140-0x00000000050C0000-0x00000000056E8000-memory.dmpFilesize
6.2MB
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memory/3572-141-0x00000000057F0000-0x0000000005856000-memory.dmpFilesize
408KB
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memory/3572-142-0x0000000005950000-0x00000000059B6000-memory.dmpFilesize
408KB
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memory/3572-145-0x0000000006480000-0x000000000649A000-memory.dmpFilesize
104KB
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memory/4928-132-0x0000000000920000-0x0000000000AEC000-memory.dmpFilesize
1.8MB
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memory/4928-137-0x00000000063E0000-0x0000000006402000-memory.dmpFilesize
136KB
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memory/4928-136-0x00000000060C0000-0x000000000615C000-memory.dmpFilesize
624KB
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memory/4928-135-0x00000000054B0000-0x00000000054BA000-memory.dmpFilesize
40KB
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memory/4928-134-0x00000000054C0000-0x0000000005552000-memory.dmpFilesize
584KB
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memory/4928-133-0x0000000005830000-0x0000000005DD4000-memory.dmpFilesize
5.6MB