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Analysis
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max time kernel
140s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
20/05/2024, 02:20
Static task
static1
Behavioral task
behavioral1
Sample
83ae21011ba600d66bf0359fc028e484d34df264125ceeec17b637417ffe9719.dll
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
83ae21011ba600d66bf0359fc028e484d34df264125ceeec17b637417ffe9719.dll
Resource
win10v2004-20240508-en
General
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Target
83ae21011ba600d66bf0359fc028e484d34df264125ceeec17b637417ffe9719.dll
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Size
223KB
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MD5
7743eb3d90b0c0792474806eccca33fd
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SHA1
11540559b098838edfbd35e4bf2c73411c09a663
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SHA256
83ae21011ba600d66bf0359fc028e484d34df264125ceeec17b637417ffe9719
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SHA512
8ff42e8a488df34a72d1f195a4dd2cdb87931b407f1721af057b69fe192d7fd79e1f9a716d216685e457177c4fe524f3c12dc1069e50e5b450571e8545edc518
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SSDEEP
3072:6huf5AUWGIcvPJvK2agutjZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKW:ZBAUWGJVagutULIBV+UdvrEFp7hKW
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/0x000c000000012274-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 1924 rundll32.exe -
resource yara_rule behavioral1/files/0x000c000000012274-1.dat upx behavioral1/memory/1924-3-0x0000000000140000-0x0000000000170000-memory.dmp upx behavioral1/memory/1924-6-0x0000000000140000-0x0000000000170000-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 -
Program crash 1 IoCs
pid pid_target Process procid_target 2804 1924 WerFault.exe 28 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1924 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1708 wrote to memory of 1924 1708 rundll32.exe 28 PID 1708 wrote to memory of 1924 1708 rundll32.exe 28 PID 1708 wrote to memory of 1924 1708 rundll32.exe 28 PID 1708 wrote to memory of 1924 1708 rundll32.exe 28 PID 1708 wrote to memory of 1924 1708 rundll32.exe 28 PID 1708 wrote to memory of 1924 1708 rundll32.exe 28 PID 1708 wrote to memory of 1924 1708 rundll32.exe 28 PID 1924 wrote to memory of 2804 1924 rundll32.exe 29 PID 1924 wrote to memory of 2804 1924 rundll32.exe 29 PID 1924 wrote to memory of 2804 1924 rundll32.exe 29 PID 1924 wrote to memory of 2804 1924 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\83ae21011ba600d66bf0359fc028e484d34df264125ceeec17b637417ffe9719.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\83ae21011ba600d66bf0359fc028e484d34df264125ceeec17b637417ffe9719.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 3243⤵
- Program crash
PID:2804
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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