Analysis
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max time kernel
123s -
max time network
124s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 18:43
Static task
static1
Behavioral task
behavioral1
Sample
4fb619606af35bd82f95377cb7c1ab6eb0f92718d890156c83cb8d96635b10fa.dll
Resource
win7v20210410
0 signatures
0 seconds
General
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Target
4fb619606af35bd82f95377cb7c1ab6eb0f92718d890156c83cb8d96635b10fa.dll
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Size
157KB
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MD5
3d2f719329a70824a3aea1608d116587
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SHA1
eddc3ef8669b04580570cbd9ba4f4f6091519d09
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SHA256
4fb619606af35bd82f95377cb7c1ab6eb0f92718d890156c83cb8d96635b10fa
-
SHA512
d07dbb580a6e7bcf88347a5e3494d12a21838ffb8cee690674b492f97e3b524529b71d315163ef34877d6ddcaa2c857fdd831f84a0b45c410f3c5985686ad628
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/1900-61-0x0000000074C90000-0x0000000074CBD000-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 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1900 1088 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4fb619606af35bd82f95377cb7c1ab6eb0f92718d890156c83cb8d96635b10fa.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4fb619606af35bd82f95377cb7c1ab6eb0f92718d890156c83cb8d96635b10fa.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/1900-59-0x0000000000000000-mapping.dmp
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memory/1900-60-0x00000000753B1000-0x00000000753B3000-memory.dmpFilesize
8KB
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memory/1900-61-0x0000000074C90000-0x0000000074CBD000-memory.dmpFilesize
180KB
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memory/1900-63-0x00000000001E0000-0x00000000001E6000-memory.dmpFilesize
24KB