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Analysis
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max time kernel
213s -
max time network
240s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2023, 08:53
Static task
static1
Behavioral task
behavioral1
Sample
703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe
Resource
win10v2004-20230915-en
General
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Target
703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe
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Size
128KB
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MD5
305a788cb39bbf8eae2165109db03e4f
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SHA1
9d42fc915ec900b82d7ca19cc569ebfd6038b12b
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SHA256
703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da
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SHA512
6a2debe93cbf89bb92b8c133462cd0199204dbf12a9b9ded411542958340501330740cf3f85c35ab862ffae759b855e679de626989208e093b655505cd0cacd2
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SSDEEP
3072:FLzqtHZHbDovaAY9+h7FXncveijUGD+3o/JJ:8ZHQvaAq+hVnEvt/JJ
Malware Config
Extracted
gh0strat
182.43.76.21
Signatures
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FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
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Gh0st RAT payload 4 IoCs
resource yara_rule behavioral2/memory/4800-2-0x0000000010000000-0x000000001002B000-memory.dmp family_gh0strat behavioral2/memory/4800-13-0x0000000010000000-0x000000001002B000-memory.dmp family_gh0strat behavioral2/memory/1232-17-0x0000000010000000-0x000000001002B000-memory.dmp family_gh0strat behavioral2/memory/1232-20-0x0000000010000000-0x000000001002B000-memory.dmp family_gh0strat -
Fatal Rat payload 3 IoCs
resource yara_rule behavioral2/memory/4800-2-0x0000000010000000-0x000000001002B000-memory.dmp fatalrat behavioral2/memory/4800-13-0x0000000010000000-0x000000001002B000-memory.dmp fatalrat behavioral2/memory/1232-20-0x0000000010000000-0x000000001002B000-memory.dmp fatalrat -
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-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation 703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe -
Executes dropped EXE 1 IoCs
pid Process 1232 703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe -
resource yara_rule behavioral2/memory/4800-0-0x0000000010000000-0x000000001002B000-memory.dmp upx behavioral2/memory/4800-2-0x0000000010000000-0x000000001002B000-memory.dmp upx behavioral2/memory/4800-13-0x0000000010000000-0x000000001002B000-memory.dmp upx behavioral2/memory/1232-17-0x0000000010000000-0x000000001002B000-memory.dmp upx behavioral2/memory/1232-20-0x0000000010000000-0x000000001002B000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4800 703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe Token: SeDebugPrivilege 1232 703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4800 wrote to memory of 1232 4800 703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe 84 PID 4800 wrote to memory of 1232 4800 703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe 84 PID 4800 wrote to memory of 1232 4800 703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe"C:\Users\Admin\AppData\Local\Temp\703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Users\Admin\AppData\Local\703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe"C:\Users\Admin\AppData\Local\703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1232
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
128KB
MD5305a788cb39bbf8eae2165109db03e4f
SHA19d42fc915ec900b82d7ca19cc569ebfd6038b12b
SHA256703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da
SHA5126a2debe93cbf89bb92b8c133462cd0199204dbf12a9b9ded411542958340501330740cf3f85c35ab862ffae759b855e679de626989208e093b655505cd0cacd2
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Filesize
128KB
MD5305a788cb39bbf8eae2165109db03e4f
SHA19d42fc915ec900b82d7ca19cc569ebfd6038b12b
SHA256703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da
SHA5126a2debe93cbf89bb92b8c133462cd0199204dbf12a9b9ded411542958340501330740cf3f85c35ab862ffae759b855e679de626989208e093b655505cd0cacd2
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Filesize
128KB
MD5305a788cb39bbf8eae2165109db03e4f
SHA19d42fc915ec900b82d7ca19cc569ebfd6038b12b
SHA256703f53e195248012916b04e99ad3ed1f42bb6a474e75fbb8b883897c6e2849da
SHA5126a2debe93cbf89bb92b8c133462cd0199204dbf12a9b9ded411542958340501330740cf3f85c35ab862ffae759b855e679de626989208e093b655505cd0cacd2