Analysis
- max time kernel
128s - max time network
122s - platform
windows7_x64 - resource
win7-en-20211104 - submitted
06/12/2021, 15:01
Static task
static1
Behavioral task
behavioral1
Sample
f83c34390634bf9e3c7a78193d91661b.dll
Resource
win7-en-20211104
0 signatures
0 seconds
General
- Target f83c34390634bf9e3c7a78193d91661b.dll
- Size 476KB
- Sample211206-sdwlssechm
- SHA256 0c64aaa054e7cbc3010109061653c6dad9bb71db9531d7cef4d202cb69990937
- MD5 f83c34390634bf9e3c7a78193d91661b
- SHA1 e82606d5486f401b7b9704a7ccd3f05dcc3649f3
- SHA512 6b8c7e8104dbf75901419ab863d818170244e7252e6c6b11d6b7cf33eaf2f55656adad4cdb9f69ca24dd3d6fc923f334ca134cda707ebd9f0c01a11c7d3aeb9b
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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dridex
Botnet
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10444
C2
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23.246.204.126:443
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151.106.39.36:8116
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103.124.144.123:6891
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172.105.78.60:4664
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral1/memory/692-57-0x00000000745D0000-0x0000000074649000-memory.dmp dridex_ldr - Program crash 1 IoCs
pid pid_target Process procid_target 1236 692 WerFault.exe 28 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1236 WerFault.exe 1236 WerFault.exe 1236 WerFault.exe 1236 WerFault.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1236 WerFault.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1236 WerFault.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 592 wrote to memory of 692 592 rundll32.exe 28 PID 592 wrote to memory of 692 592 rundll32.exe 28 PID 592 wrote to memory of 692 592 rundll32.exe 28 PID 592 wrote to memory of 692 592 rundll32.exe 28 PID 592 wrote to memory of 692 592 rundll32.exe 28 PID 592 wrote to memory of 692 592 rundll32.exe 28 PID 592 wrote to memory of 692 592 rundll32.exe 28 PID 692 wrote to memory of 1236 692 rundll32.exe 29 PID 692 wrote to memory of 1236 692 rundll32.exe 29 PID 692 wrote to memory of 1236 692 rundll32.exe 29 PID 692 wrote to memory of 1236 692 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f83c34390634bf9e3c7a78193d91661b.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:592 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f83c34390634bf9e3c7a78193d91661b.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:692 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 692 -s 3443⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1236
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