Analysis
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max time kernel
19s -
max time network
124s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
29-06-2021 07:38
Static task
static1
General
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Target
1f835d0d9eeb88f25d8d87d00bf6c0afe0d3a99189d8b53c1f78afdde2e00301.dll
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Size
158KB
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MD5
aabdee9d6e7dd86a603d8ad7b79defc5
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SHA1
971da3fee7f1645aea28a1f0ca3b827bcd0192a7
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SHA256
1f835d0d9eeb88f25d8d87d00bf6c0afe0d3a99189d8b53c1f78afdde2e00301
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SHA512
d02e50df72cccd8c2b8610360e2ace9cc50cea6fc4ce9b55db84d20017d31cf943c955c50d142fe2f105c54ef05ad4a46d0bd0dd1dca7e1886382785fcaf1c37
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/4460-115-0x0000000073820000-0x000000007384D000-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 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4444 wrote to memory of 4460 4444 rundll32.exe rundll32.exe PID 4444 wrote to memory of 4460 4444 rundll32.exe rundll32.exe PID 4444 wrote to memory of 4460 4444 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1f835d0d9eeb88f25d8d87d00bf6c0afe0d3a99189d8b53c1f78afdde2e00301.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4444 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1f835d0d9eeb88f25d8d87d00bf6c0afe0d3a99189d8b53c1f78afdde2e00301.dll,#12⤵
- Checks whether UAC is enabled
PID:4460