Analysis
-
max time kernel
122s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-01-2025 12:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
urt56as32.exe
Resource
win7-20240903-en
7 signatures
150 seconds
General
-
Target
urt56as32.exe
-
Size
1.8MB
-
MD5
9d6f20d16ed705822746cc9dddd0651a
-
SHA1
f8a7e04b4218b4e494b3554cca8d4248a9417423
-
SHA256
104979f868c8fb59b4536a0dd059e2a85012580611b13005f0551faefd28b348
-
SHA512
26ba8129439b2578a62ff979e35ed41bda0a11fb23e1f21b8c61ddaae0eba2a9b20168bf0f41c77ad9dfeeebc51dacd45c4a0518a3aab4a41218aa05b687018b
-
SSDEEP
24576:GgubagHj/klIVjvG/jRqcZvwU1mjzxJtujgAx74IgXOeTwGouiA8uZZH9:GfxFYIivRKkN/
Malware Config
Extracted
Family
meduza
C2
127.0.0.1
Attributes
-
anti_dbg
true
-
anti_vm
true
-
build_name
Meduza
-
extensions
.txt; .doc; .xlsx
-
grabber_max_size
4.194304e+06
-
port
15666
-
self_destruct
false
Signatures
-
Meduza Stealer payload 7 IoCs
resource yara_rule behavioral1/memory/2852-11-0x0000000140000000-0x0000000140141000-memory.dmp family_meduza behavioral1/memory/2852-6-0x0000000140000000-0x0000000140141000-memory.dmp family_meduza behavioral1/memory/2852-5-0x0000000140000000-0x0000000140141000-memory.dmp family_meduza behavioral1/memory/2852-4-0x0000000140000000-0x0000000140141000-memory.dmp family_meduza behavioral1/memory/2852-3-0x0000000140000000-0x0000000140141000-memory.dmp family_meduza behavioral1/memory/2852-10-0x0000000140000000-0x0000000140141000-memory.dmp family_meduza behavioral1/memory/2852-9-0x0000000140000000-0x0000000140141000-memory.dmp family_meduza -
Meduza family
-
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-1-5-21-312935884-697965778-3955649944-1000\Control Panel\International\Geo\Nation urt56as32.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2840 set thread context of 2852 2840 urt56as32.exe 30 -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2852 urt56as32.exe Token: SeImpersonatePrivilege 2852 urt56as32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2840 wrote to memory of 2852 2840 urt56as32.exe 30 PID 2840 wrote to memory of 2852 2840 urt56as32.exe 30 PID 2840 wrote to memory of 2852 2840 urt56as32.exe 30 PID 2840 wrote to memory of 2852 2840 urt56as32.exe 30 PID 2840 wrote to memory of 2852 2840 urt56as32.exe 30 PID 2840 wrote to memory of 2852 2840 urt56as32.exe 30 PID 2840 wrote to memory of 2852 2840 urt56as32.exe 30 PID 2840 wrote to memory of 2852 2840 urt56as32.exe 30 PID 2840 wrote to memory of 2852 2840 urt56as32.exe 30 PID 2840 wrote to memory of 2852 2840 urt56as32.exe 30 PID 2840 wrote to memory of 2852 2840 urt56as32.exe 30 PID 2840 wrote to memory of 2144 2840 urt56as32.exe 31 PID 2840 wrote to memory of 2144 2840 urt56as32.exe 31 PID 2840 wrote to memory of 2144 2840 urt56as32.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\urt56as32.exe"C:\Users\Admin\AppData\Local\Temp\urt56as32.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Users\Admin\AppData\Local\Temp\urt56as32.exe"C:\Users\Admin\AppData\Local\Temp\urt56as32.exe"2⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
PID:2852
-
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2840 -s 362⤵PID:2144
-