Analysis
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max time kernel
30s -
max time network
12s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 20:03
Static task
static1
Behavioral task
behavioral1
Sample
2ec6af6081fd2bf94151fddefc7ad57f5b8b6cb63e1441a0e3d444ef296534fb.dll
Resource
win7v20210408
0 signatures
0 seconds
General
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Target
2ec6af6081fd2bf94151fddefc7ad57f5b8b6cb63e1441a0e3d444ef296534fb.dll
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Size
157KB
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MD5
1060828f6c365cd7153fdc942476d98c
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SHA1
339d44a74ac5f983b2e0556afd74d45c29923726
-
SHA256
2ec6af6081fd2bf94151fddefc7ad57f5b8b6cb63e1441a0e3d444ef296534fb
-
SHA512
79a09ba9320d99a82d06c7bbefdd5f6a163ca4691fd05b2d7c8c99589f115f78a3fbc061d537377cdf4e21839131c5c7ec3618d0625f17a5c2de65f6fc02daa4
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
159.8.59.82:443
51.91.156.39:2303
67.196.50.240:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1812-62-0x00000000749B0000-0x00000000749DD000-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 980 wrote to memory of 1812 980 rundll32.exe rundll32.exe PID 980 wrote to memory of 1812 980 rundll32.exe rundll32.exe PID 980 wrote to memory of 1812 980 rundll32.exe rundll32.exe PID 980 wrote to memory of 1812 980 rundll32.exe rundll32.exe PID 980 wrote to memory of 1812 980 rundll32.exe rundll32.exe PID 980 wrote to memory of 1812 980 rundll32.exe rundll32.exe PID 980 wrote to memory of 1812 980 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2ec6af6081fd2bf94151fddefc7ad57f5b8b6cb63e1441a0e3d444ef296534fb.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2ec6af6081fd2bf94151fddefc7ad57f5b8b6cb63e1441a0e3d444ef296534fb.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/1812-60-0x0000000000000000-mapping.dmp
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memory/1812-61-0x0000000075FF1000-0x0000000075FF3000-memory.dmpFilesize
8KB
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memory/1812-62-0x00000000749B0000-0x00000000749DD000-memory.dmpFilesize
180KB
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memory/1812-64-0x00000000001E0000-0x00000000001E6000-memory.dmpFilesize
24KB