Analysis
- max time kernel
133s - max time network
102s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
25/05/2024, 03:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef.exe
Resource
win7-20240508-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef.exe
Resource
win10v2004-20240508-en
8 signatures
150 seconds
General
- Target c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef.exe
- Size 1.4MB
- Sample240525-dhsndacc5s
- SHA256 c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef
- MD5 8b5f4551f859696db9d6efc66eb21f69
- SHA1 87c198a191753c4c16863ef11a283b920c4abed6
- SHA512 0d6075bf0e68c67caf31d027c0d882ac4b75d0485c4e81f04a9522b7fa32e53f37d5a4090894c85fba3f1efabdda38fc6ac09a88b3f4e65bfaee210d5a0285bb
- SSDEEP 24576:EM4RtJC/OTGOhj4ssXyegf7iL81ALxXMTE6F4rEH7U:EM4RjC/Yj0CJ7SLlIE+8
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/files/0x0008000000022f51-1.dat UPX behavioral2/memory/1992-4-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/1992-16-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/1992-19-0x0000000010000000-0x0000000010030000-memory.dmp UPX - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0008000000022f51-1.dat acprotect - Loads dropped DLL 1 IoCs
pid Process 1992 c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef.exe -
resource yara_rule behavioral2/files/0x0008000000022f51-1.dat upx behavioral2/memory/1992-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1992-16-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1992-19-0x0000000010000000-0x0000000010030000-memory.dmp upx - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\e: c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef.exe File created \??\c:\program files\common files\system\symsrv.dll.000 c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1992 c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef.exe 1992 c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1992 c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef.exe"C:\Users\Admin\AppData\Local\Temp\c2a455d602b94cbb6330b21523441de31fde06ad16bc2d91c17afdcd03ac81ef.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1992
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Program Files\Common Files\System\symsrv.dll
- Size 67KB
- SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
- MD5 7574cf2c64f35161ab1292e2f532aabf
- SHA1 14ba3fa927a06224dfe587014299e834def4644f
- SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
- SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
- MD5 SHA1 SHA512 SSDEEP