Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
19-12-2024 20:34
Static task
static1
Behavioral task
behavioral1
Sample
ruppert.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
ruppert.exe
Resource
win10v2004-20241007-en
General
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Target
ruppert.exe
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Size
2.6MB
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MD5
c3242cab034e773dad42d6fbff0b4ecf
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SHA1
c4b7daa973a191f9dcd6e6f637602b5683899571
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SHA256
fbe49c90e24fb5b6be83157db5a5415411b410c6b13fdb9ef12740a157f60481
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SHA512
e74a8e474f4385531387e0f51cff631a8e7c0eacb5d23021f0ac4701f356f869889472814cc5856aef776fefa8703a94578af4feec8e037d89cbe95a409027c3
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SSDEEP
24576:V9L8hJZ4uB+Ch0lhSMXl84BqdrZdJAxl21KPETU6D5Q:PL8hD4au/qdrZdyw1KP91
Malware Config
Extracted
meduza
45.130.145.152
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anti_dbg
true
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anti_vm
true
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build_name
Work
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extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
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grabber_max_size
4.194304e+06
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port
15666
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self_destruct
false
Signatures
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Meduza Stealer payload 2 IoCs
resource yara_rule behavioral1/memory/1268-0-0x0000000001DD0000-0x0000000001F0E000-memory.dmp family_meduza behavioral1/memory/1268-1-0x0000000001DD0000-0x0000000001F0E000-memory.dmp family_meduza -
Meduza family
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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-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\International\Geo\Nation ruppert.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1268 ruppert.exe Token: SeImpersonatePrivilege 1268 ruppert.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1268 wrote to memory of 320 1268 ruppert.exe 31 PID 1268 wrote to memory of 320 1268 ruppert.exe 31 PID 1268 wrote to memory of 320 1268 ruppert.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\ruppert.exe"C:\Users\Admin\AppData\Local\Temp\ruppert.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1268 -s 6202⤵PID:320
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