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Analysis
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max time kernel
140s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
29/03/2024, 02:46
Behavioral task
behavioral1
Sample
cdb863b505cfdadc50b9ee2f3801627ae96e51be305b92c4756b93ceb41e577b.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
cdb863b505cfdadc50b9ee2f3801627ae96e51be305b92c4756b93ceb41e577b.dll
Resource
win10v2004-20240226-en
General
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Target
cdb863b505cfdadc50b9ee2f3801627ae96e51be305b92c4756b93ceb41e577b.dll
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Size
76KB
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MD5
ce4b27c402367d0f73c76418e287f0c6
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SHA1
e547ab691f11b573571c1f556b1dec4c96e1e178
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SHA256
cdb863b505cfdadc50b9ee2f3801627ae96e51be305b92c4756b93ceb41e577b
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SHA512
5ae0eb9d9d3b820595de1f39a56c322ae9048264ae25edf2cd080ecdb30fd076e8bc94f06cf611caae85841d55c886e853fcea08ee214310024953ef26768306
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zsn86DMy:c8y93KQjy7G55riF1cMo03aTB
Malware Config
Signatures
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UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral1/memory/2904-1-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral1/memory/2904-0-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral1/memory/2904-3-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral1/memory/2904-2-0x0000000010000000-0x0000000010030000-memory.dmp UPX -
Modifies AppInit DLL entries 2 TTPs
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resource yara_rule behavioral1/memory/2904-1-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2904-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2904-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2904-2-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2948 2904 WerFault.exe 28 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2904 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2864 wrote to memory of 2904 2864 rundll32.exe 28 PID 2864 wrote to memory of 2904 2864 rundll32.exe 28 PID 2864 wrote to memory of 2904 2864 rundll32.exe 28 PID 2864 wrote to memory of 2904 2864 rundll32.exe 28 PID 2864 wrote to memory of 2904 2864 rundll32.exe 28 PID 2864 wrote to memory of 2904 2864 rundll32.exe 28 PID 2864 wrote to memory of 2904 2864 rundll32.exe 28 PID 2904 wrote to memory of 2948 2904 rundll32.exe 29 PID 2904 wrote to memory of 2948 2904 rundll32.exe 29 PID 2904 wrote to memory of 2948 2904 rundll32.exe 29 PID 2904 wrote to memory of 2948 2904 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cdb863b505cfdadc50b9ee2f3801627ae96e51be305b92c4756b93ceb41e577b.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cdb863b505cfdadc50b9ee2f3801627ae96e51be305b92c4756b93ceb41e577b.dll,#12⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 3043⤵
- Program crash
PID:2948
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