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Analysis
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max time kernel
94s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07/01/2025, 10:45
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe
Resource
win7-20241010-en
General
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Target
2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe
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Size
3.1MB
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MD5
bec59ef4a85d4996622a0cad150f752c
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SHA1
4414781aed2bad425cad3d36e3748f3e3d211747
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SHA256
60e66e1f5f94ae12b02e0198be4b70ec2b2abaa0e98df8d74f9583c8764fdca9
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SHA512
9bc032eef38daf863cb3425aeb2901d80c8cca269f3b47c2466338568e6ed22764b8230d391921c9de6df9dcd33fd35b87201fd73f35e200c70cfcec9a67d643
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SSDEEP
24576:qiiQwp8/5mM/oOUR/K/hKW+XOuU5rciNcKwDuNaBnAPhgo/ue9VX+sPAfNKuwb8G:UQZgJdytNcJYpDp+UmQuwP5nZm
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 4 IoCs
resource yara_rule behavioral2/memory/1348-0-0x0000000140000000-0x000000014013E000-memory.dmp family_meduza behavioral2/memory/1348-1-0x0000000140000000-0x000000014013E000-memory.dmp family_meduza behavioral2/memory/1348-2-0x0000000140000000-0x000000014013E000-memory.dmp family_meduza behavioral2/memory/1348-3-0x0000000140000000-0x000000014013E000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2064 set thread context of 1348 2064 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe 82 -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1348 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe Token: SeImpersonatePrivilege 1348 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2064 wrote to memory of 1348 2064 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe 82 PID 2064 wrote to memory of 1348 2064 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe 82 PID 2064 wrote to memory of 1348 2064 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe 82 PID 2064 wrote to memory of 1348 2064 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe 82 PID 2064 wrote to memory of 1348 2064 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe 82 PID 2064 wrote to memory of 1348 2064 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe 82 PID 2064 wrote to memory of 1348 2064 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe 82 PID 2064 wrote to memory of 1348 2064 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe 82 PID 2064 wrote to memory of 1348 2064 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe 82 PID 2064 wrote to memory of 1348 2064 2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Users\Admin\AppData\Local\Temp\2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-07_bec59ef4a85d4996622a0cad150f752c_cobalt-strike_ryuk.exe"2⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
PID:1348
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