Analysis
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max time kernel
135s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
08-06-2024 11:14
Static task
static1
Behavioral task
behavioral1
Sample
virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe
Resource
win10v2004-20240426-en
General
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Target
virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe
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Size
125KB
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MD5
9afbc4afe7d3192095fec93c1426f0d0
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SHA1
1d78c30c19ba6b7ac0f556003968e1c30e7b4d3e
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SHA256
050d7184093a9b41a162fc99358c20ea75057980eb6a80999e63e6732beaf4b2
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SHA512
e5cb1cff112f45f7b014e0d1fe9d1468a5f34f6fb9bd926cd7d2bbecc6baad7eefe2c82d014877a63e9d9a977eab2ed572312e61fa4017b87a437a9c64bdd9e5
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SSDEEP
3072:rnnjKQlNR7Z3gcmIHv92lQBV+UdE+rECWp7hK6Cd:rOQ/R93TBV+UdvrEFp7hK7
Malware Config
Signatures
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Modifies AppInit DLL entries 2 TTPs
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0009000000023358-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 3800 virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe -
resource yara_rule behavioral2/files/0x0009000000023358-1.dat upx behavioral2/memory/3800-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3800-12-0x0000000010000000-0x0000000010030000-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: virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3800 virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe 3800 virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3800 virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe"C:\Users\Admin\AppData\Local\Temp\virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3800
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab