Analysis
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max time kernel
22s -
max time network
119s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
11-06-2021 03:16
Static task
static1
General
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Target
cdbdd600db73cb0e0c56d98e58859bd3145a6f9003b90d768f88b09edc5b939b.dll
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Size
174KB
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MD5
73695b49d260af99a67bec8f1c3533cb
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SHA1
1192c14e7b5980054855609a242410794c4533e5
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SHA256
cdbdd600db73cb0e0c56d98e58859bd3145a6f9003b90d768f88b09edc5b939b
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SHA512
367fc989dd4925060e02e738bd3f615937b25b02ae67281c717431c5318f67a5138ab92a9463fd4bf437abd3812cb02998b3bdc41b102adad26b38700119da15
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
178.128.220.64:30333
45.79.91.89:9987
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral1/memory/1216-115-0x0000000073F10000-0x0000000073F40000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1508 1216 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
WerFault.exepid process 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 1508 WerFault.exe Token: SeBackupPrivilege 1508 WerFault.exe Token: SeDebugPrivilege 1508 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 472 wrote to memory of 1216 472 rundll32.exe rundll32.exe PID 472 wrote to memory of 1216 472 rundll32.exe rundll32.exe PID 472 wrote to memory of 1216 472 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cdbdd600db73cb0e0c56d98e58859bd3145a6f9003b90d768f88b09edc5b939b.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cdbdd600db73cb0e0c56d98e58859bd3145a6f9003b90d768f88b09edc5b939b.dll,#12⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 6443⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken