Analysis
- max time kernel
17s - max time network
112s - platform
windows10_x64 - resource
win10v20210410 - submitted
16/06/2021, 02:52
Static task
static1
General
- Target 0f96fcc34367166f2514ec323ed3c6c0175932296c9a448dec9bb8ba3e839d0e.dll
- Size 170KB
- Sample210616-47xp2685ls
- SHA256 0f96fcc34367166f2514ec323ed3c6c0175932296c9a448dec9bb8ba3e839d0e
- MD5 42d915337e7dafc3d5bedeedc30bfc05
- SHA1 3b249fd20c55dda5493f11f87e601afcce5c098f
- SHA512 0f94ed1cb2b82f441fe309edae5472c10df87a20d2ececb368bf9fb379ae2bffcd72dfc934a410680c71122dfcb0bc382c9c3631a591fa344151bb9903cb3fb0
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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dridex
Botnet
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40112
C2
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128.199.200.38:443
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192.163.233.216:6601
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43.229.206.244:4125
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral1/memory/4008-115-0x00000000735D0000-0x0000000073600000-memory.dmp dridex_ldr - Program crash 1 IoCs
pid pid_target Process procid_target 2228 4008 WerFault.exe 70 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2228 WerFault.exe 2228 WerFault.exe 2228 WerFault.exe 2228 WerFault.exe 2228 WerFault.exe 2228 WerFault.exe 2228 WerFault.exe 2228 WerFault.exe 2228 WerFault.exe 2228 WerFault.exe 2228 WerFault.exe 2228 WerFault.exe 2228 WerFault.exe 2228 WerFault.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 2228 WerFault.exe Token: SeBackupPrivilege 2228 WerFault.exe Token: SeDebugPrivilege 2228 WerFault.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3912 wrote to memory of 4008 3912 rundll32.exe 70 PID 3912 wrote to memory of 4008 3912 rundll32.exe 70 PID 3912 wrote to memory of 4008 3912 rundll32.exe 70
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0f96fcc34367166f2514ec323ed3c6c0175932296c9a448dec9bb8ba3e839d0e.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3912 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0f96fcc34367166f2514ec323ed3c6c0175932296c9a448dec9bb8ba3e839d0e.dll,#12⤵PID:4008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 6803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228
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