Analysis
- max time kernel
122s - max time network
138s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
20/12/2021, 16:56
Static task
static1
Behavioral task
behavioral1
Sample
4139e84d22c892452711f8af0d290776.dll
Resource
win7-en-20211208
0 signatures
0 seconds
General
- Target 4139e84d22c892452711f8af0d290776.dll
- Size 512KB
- Sample211220-vfpblsbcd5
- SHA256 b11f2f19a0388ff5e8e11f3f6c2e744fde7a8f3d9b56efcc1976ae91578b1a18
- MD5 4139e84d22c892452711f8af0d290776
- SHA1 781556793057a448f5ad99636fbd91c5085d6b8b
- SHA512 d4a662f1132a73f1b455a62283a9fb528540dd151b4cd36d73192e4bec24660778e7acc9748f722134328158fb1b067f255bdbc4d9ecd908df98acadc68ad80e
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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dridex
Botnet
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22203
C2
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51.159.52.196:443
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134.209.247.135:6602
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194.233.68.48:5228
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89.31.56.58:593
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral2/memory/3776-119-0x0000000073620000-0x00000000736A1000-memory.dmp dridex_ldr - Program crash 1 IoCs
pid pid_target Process procid_target 4392 3776 WerFault.exe 68 - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4392 WerFault.exe 4392 WerFault.exe 4392 WerFault.exe 4392 WerFault.exe 4392 WerFault.exe 4392 WerFault.exe 4392 WerFault.exe 4392 WerFault.exe 4392 WerFault.exe 4392 WerFault.exe 4392 WerFault.exe 4392 WerFault.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 4392 WerFault.exe Token: SeBackupPrivilege 4392 WerFault.exe Token: SeDebugPrivilege 4392 WerFault.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3784 wrote to memory of 3776 3784 rundll32.exe 68 PID 3784 wrote to memory of 3776 3784 rundll32.exe 68 PID 3784 wrote to memory of 3776 3784 rundll32.exe 68
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4139e84d22c892452711f8af0d290776.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3784 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4139e84d22c892452711f8af0d290776.dll,#12⤵PID:3776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3776 -s 6803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4392
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