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Analysis
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max time kernel
118s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
19/03/2024, 13:58
Static task
static1
Behavioral task
behavioral1
Sample
b4e71c56d0b0d3be945d960623b4206d591d27c4e5d0b24757d7a43756f77fc0.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b4e71c56d0b0d3be945d960623b4206d591d27c4e5d0b24757d7a43756f77fc0.dll
Resource
win10v2004-20240226-en
General
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Target
b4e71c56d0b0d3be945d960623b4206d591d27c4e5d0b24757d7a43756f77fc0.dll
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Size
247KB
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MD5
6149fecd64f55ef8c102c2a48ee34298
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SHA1
6d127ffd03f0e4128804fe7f6c72482e12119936
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SHA256
b4e71c56d0b0d3be945d960623b4206d591d27c4e5d0b24757d7a43756f77fc0
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SHA512
9291451a30158de16e6b4f2510f9577733a75cd496eba12aedee9b57195a481ee56a7360cb26bf910bb5d3f7ef7d6b31725e7aedf4cf65029a0d100fa3ebab4f
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SSDEEP
3072:WYnM9A5UEPeA2ggz/3ezHkta1D+ThXn/n9SGeMt2lQBV+UdE+rECWp7hKcb+:TMrzz/wEtZlf9xBV+UdvrEFp7hKJ
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000c00000001224c-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 2944 rundll32.exe -
resource yara_rule behavioral1/files/0x000c00000001224c-1.dat upx behavioral1/memory/2944-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2944-6-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2944 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1952 wrote to memory of 2944 1952 rundll32.exe 28 PID 1952 wrote to memory of 2944 1952 rundll32.exe 28 PID 1952 wrote to memory of 2944 1952 rundll32.exe 28 PID 1952 wrote to memory of 2944 1952 rundll32.exe 28 PID 1952 wrote to memory of 2944 1952 rundll32.exe 28 PID 1952 wrote to memory of 2944 1952 rundll32.exe 28 PID 1952 wrote to memory of 2944 1952 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b4e71c56d0b0d3be945d960623b4206d591d27c4e5d0b24757d7a43756f77fc0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b4e71c56d0b0d3be945d960623b4206d591d27c4e5d0b24757d7a43756f77fc0.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:2944
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab