Analysis
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max time kernel
38s -
max time network
15s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
11-05-2021 13:07
Static task
static1
Behavioral task
behavioral1
Sample
8ea83d67_by_Libranalysis.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
8ea83d67_by_Libranalysis.dll
-
Size
162KB
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MD5
8ea83d6713664feb88c4c4a8c530cf05
-
SHA1
768168d91479d8aece3899a92eb2693c2fbc32a5
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SHA256
f0aaf017c7385bd29d611a89de93fce39cd860e6666345616b100ecc7500f78e
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SHA512
05442a3e26128df2431aa01d1d80faf93da2aececadf03037caa8ade2959e0b9246f75e978885440a41f6388d7b1e11ce5f7000ec345c66dfce0fee0d7ecd154
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1604-61-0x0000000075330000-0x000000007535E000-memory.dmp dridex_ldr -
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 1796 wrote to memory of 1604 1796 rundll32.exe rundll32.exe PID 1796 wrote to memory of 1604 1796 rundll32.exe rundll32.exe PID 1796 wrote to memory of 1604 1796 rundll32.exe rundll32.exe PID 1796 wrote to memory of 1604 1796 rundll32.exe rundll32.exe PID 1796 wrote to memory of 1604 1796 rundll32.exe rundll32.exe PID 1796 wrote to memory of 1604 1796 rundll32.exe rundll32.exe PID 1796 wrote to memory of 1604 1796 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8ea83d67_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8ea83d67_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1604-59-0x0000000000000000-mapping.dmp
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memory/1604-60-0x0000000076A01000-0x0000000076A03000-memory.dmpFilesize
8KB
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memory/1604-61-0x0000000075330000-0x000000007535E000-memory.dmpFilesize
184KB
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memory/1604-63-0x0000000000140000-0x0000000000146000-memory.dmpFilesize
24KB