Analysis
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max time kernel
120s -
max time network
144s -
submitted
01-01-1970 00:00
Static task
static1
Behavioral task
behavioral1
Sample
7b1dc98d341f4b27a33ebebde445e726.dll
Resource
win7-en-20210920
0 signatures
0 seconds
General
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Target
7b1dc98d341f4b27a33ebebde445e726.dll
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Size
750KB
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MD5
7b1dc98d341f4b27a33ebebde445e726
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SHA1
ee7e12b1c97e501b40ff70538571006aeece0697
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SHA256
3d8c80708e1033b209717d0dcca7be752b6be2abc63ffc3712945695b83e9c9b
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SHA512
66c61cde6bcc0bfe48be944f49da027b052e51317beb14a37d85dd64ba8815cedf1efef669ecfe2ae8b7b2722d45ab0759b400d9d8e190414b8684d2f2913124
Malware Config
Extracted
Family
dridex
Botnet
10555
C2
192.46.210.220:443
143.244.140.214:808
45.77.0.96:6891
185.56.219.47:8116
rc4.plain
rc4.plain
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 3 268 rundll32.exe 6 268 rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 1928 wrote to memory of 268 1928 rundll32.exe rundll32.exe PID 1928 wrote to memory of 268 1928 rundll32.exe rundll32.exe PID 1928 wrote to memory of 268 1928 rundll32.exe rundll32.exe PID 1928 wrote to memory of 268 1928 rundll32.exe rundll32.exe PID 1928 wrote to memory of 268 1928 rundll32.exe rundll32.exe PID 1928 wrote to memory of 268 1928 rundll32.exe rundll32.exe PID 1928 wrote to memory of 268 1928 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7b1dc98d341f4b27a33ebebde445e726.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7b1dc98d341f4b27a33ebebde445e726.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/268-54-0x0000000000000000-mapping.dmp
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memory/268-55-0x00000000768C1000-0x00000000768C3000-memory.dmpFilesize
8KB
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memory/268-56-0x0000000074DA0000-0x0000000074E69000-memory.dmpFilesize
804KB
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memory/268-58-0x0000000074DA0000-0x0000000074E69000-memory.dmpFilesize
804KB
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memory/268-57-0x0000000074DA0000-0x0000000074DDD000-memory.dmpFilesize
244KB
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memory/268-60-0x0000000000170000-0x0000000000171000-memory.dmpFilesize
4KB