Analysis
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max time kernel
110s -
max time network
124s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
21-10-2021 20:21
Static task
static1
General
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Target
adbd74fa44708c118685b0798bc9e27e0fd50d027a22bbf6328da02875cb18de.dll
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Size
180KB
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MD5
f8c801f32b822d210bbb788407ed29cf
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SHA1
bc6b2888442a55b42d4aadf563a7383cafe20de5
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SHA256
adbd74fa44708c118685b0798bc9e27e0fd50d027a22bbf6328da02875cb18de
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SHA512
e5b03e1638ab04fb014683848fd4f4fb417e371b6c182c07e7f9c9589f5c95f774e8d47ad2411c71f1b9027598f10fd4c405539ef1e026953f1a3e9c5612e72f
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
212.237.17.99:443
176.28.17.160:6602
51.254.140.238:8333
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1492-116-0x0000000073CF0000-0x0000000073D1F000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2204 1492 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
WerFault.exepid process 2204 WerFault.exe 2204 WerFault.exe 2204 WerFault.exe 2204 WerFault.exe 2204 WerFault.exe 2204 WerFault.exe 2204 WerFault.exe 2204 WerFault.exe 2204 WerFault.exe 2204 WerFault.exe 2204 WerFault.exe 2204 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 2204 WerFault.exe Token: SeBackupPrivilege 2204 WerFault.exe Token: SeDebugPrivilege 2204 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1432 wrote to memory of 1492 1432 rundll32.exe rundll32.exe PID 1432 wrote to memory of 1492 1432 rundll32.exe rundll32.exe PID 1432 wrote to memory of 1492 1432 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\adbd74fa44708c118685b0798bc9e27e0fd50d027a22bbf6328da02875cb18de.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\adbd74fa44708c118685b0798bc9e27e0fd50d027a22bbf6328da02875cb18de.dll,#12⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 6163⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken