Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
18-06-2024 13:29
Static task
static1
Behavioral task
behavioral1
Sample
b7369bc4c3c15b3e33473c55c533f2ec0a4ed10fa7e1ae7659ea76e44061a7db.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b7369bc4c3c15b3e33473c55c533f2ec0a4ed10fa7e1ae7659ea76e44061a7db.exe
Resource
win10v2004-20240508-en
General
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Target
b7369bc4c3c15b3e33473c55c533f2ec0a4ed10fa7e1ae7659ea76e44061a7db.exe
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Size
277KB
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MD5
78786197af2b43d009a6ccc1ebd10ef2
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SHA1
397ecbde349b85dced0901b2ddbf6965fc7980d4
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SHA256
b7369bc4c3c15b3e33473c55c533f2ec0a4ed10fa7e1ae7659ea76e44061a7db
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SHA512
35f9611370bb3d79c8b303ae2ff8fccbcff880150e0849d24f4461d2ef845da5dc18eed9c6b8cae0acc1390973f5b3ef2498fbe6c82120fb7c8d8ba18f59b97d
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SSDEEP
3072:Ztrf2YrUFaP6lFDvUoJYgiyWpe3YB+GGfV+g6lhx7+s35bzoWQBQtl41MvNe6wZy:2blFDvFLideIB+mCzBV+UdvrEFp7hKW
Malware Config
Signatures
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Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule \Program Files\Common Files\System\symsrv.dll acprotect -
Loads dropped DLL 1 IoCs
Processes:
b7369bc4c3c15b3e33473c55c533f2ec0a4ed10fa7e1ae7659ea76e44061a7db.exepid process 3024 b7369bc4c3c15b3e33473c55c533f2ec0a4ed10fa7e1ae7659ea76e44061a7db.exe -
Processes:
resource yara_rule \Program Files\Common Files\System\symsrv.dll upx behavioral1/memory/3024-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/3024-7-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
Processes:
b7369bc4c3c15b3e33473c55c533f2ec0a4ed10fa7e1ae7659ea76e44061a7db.exedescription ioc process File created C:\Program Files\Common Files\System\symsrv.dll b7369bc4c3c15b3e33473c55c533f2ec0a4ed10fa7e1ae7659ea76e44061a7db.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b7369bc4c3c15b3e33473c55c533f2ec0a4ed10fa7e1ae7659ea76e44061a7db.exedescription pid process Token: SeDebugPrivilege 3024 b7369bc4c3c15b3e33473c55c533f2ec0a4ed10fa7e1ae7659ea76e44061a7db.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b7369bc4c3c15b3e33473c55c533f2ec0a4ed10fa7e1ae7659ea76e44061a7db.exe"C:\Users\Admin\AppData\Local\Temp\b7369bc4c3c15b3e33473c55c533f2ec0a4ed10fa7e1ae7659ea76e44061a7db.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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\Program Files\Common Files\System\symsrv.dllFilesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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memory/3024-3-0x0000000010000000-0x0000000010030000-memory.dmpFilesize
192KB
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memory/3024-5-0x0000000000B00000-0x0000000000B35000-memory.dmpFilesize
212KB
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memory/3024-7-0x0000000010000000-0x0000000010030000-memory.dmpFilesize
192KB