Analysis
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max time kernel
36s -
max time network
40s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
19-05-2022 02:29
Static task
static1
Behavioral task
behavioral1
Sample
ZKMEkleQqDEiaJkkklgbtq.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
ZKMEkleQqDEiaJkkklgbtq.dll
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Size
512KB
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MD5
2af8d90b7f3fac6170869de920b2df72
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SHA1
7376431005032f186e6c6909e31c1399a6c171d5
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SHA256
9be19f07e2a06af1c622c9c6b7f139b4328f6baf971a7964844447bcff7e1814
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SHA512
c58941f4e5634ffb913d15d97e8b869e1e365fed5d408ecf73c0539f00a25c4ea2959c11d819ccea71da855dbf83daf1b40d83d71d286f2ecb3b51cc2d01fee2
Malware Config
Extracted
Family
dridex
Botnet
22203
C2
51.159.52.196:443
134.209.247.135:6602
194.233.68.48:5228
89.31.56.58:593
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral1/memory/2044-56-0x0000000075280000-0x0000000075301000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1352 2044 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1000 wrote to memory of 2044 1000 rundll32.exe rundll32.exe PID 1000 wrote to memory of 2044 1000 rundll32.exe rundll32.exe PID 1000 wrote to memory of 2044 1000 rundll32.exe rundll32.exe PID 1000 wrote to memory of 2044 1000 rundll32.exe rundll32.exe PID 1000 wrote to memory of 2044 1000 rundll32.exe rundll32.exe PID 1000 wrote to memory of 2044 1000 rundll32.exe rundll32.exe PID 1000 wrote to memory of 2044 1000 rundll32.exe rundll32.exe PID 2044 wrote to memory of 1352 2044 rundll32.exe WerFault.exe PID 2044 wrote to memory of 1352 2044 rundll32.exe WerFault.exe PID 2044 wrote to memory of 1352 2044 rundll32.exe WerFault.exe PID 2044 wrote to memory of 1352 2044 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ZKMEkleQqDEiaJkkklgbtq.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ZKMEkleQqDEiaJkkklgbtq.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 3003⤵
- Program crash
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/1352-59-0x0000000000000000-mapping.dmp
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memory/2044-54-0x0000000000000000-mapping.dmp
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memory/2044-55-0x0000000075F21000-0x0000000075F23000-memory.dmpFilesize
8KB
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memory/2044-56-0x0000000075280000-0x0000000075301000-memory.dmpFilesize
516KB
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memory/2044-58-0x00000000000C0000-0x00000000000C6000-memory.dmpFilesize
24KB