Analysis
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max time kernel
119s -
max time network
121s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
21-04-2021 16:53
Static task
static1
Behavioral task
behavioral1
Sample
c89d407e4d0b51af0cb907c88f80f4d126a8bfab5d382c08a71848fa034a8e45.dll
Resource
win7v20210408
0 signatures
0 seconds
General
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Target
c89d407e4d0b51af0cb907c88f80f4d126a8bfab5d382c08a71848fa034a8e45.dll
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Size
162KB
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MD5
88ed8c13660f5c0526500e8901cf0b9f
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SHA1
17ac18213a38f6cd81b255d77e1dd23eb7b9c7b2
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SHA256
c89d407e4d0b51af0cb907c88f80f4d126a8bfab5d382c08a71848fa034a8e45
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SHA512
c1b9741cfd6457ff0f0d97c1e007917c58aa22c0c4b4b5712d932bc4a0e988874f0484279b0fe2db1e6e4d18c49a9f9888400513418e53b22e9450881659c9f1
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 behavioral2/memory/3172-115-0x0000000074420000-0x000000007444E000-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 2116 wrote to memory of 3172 2116 rundll32.exe rundll32.exe PID 2116 wrote to memory of 3172 2116 rundll32.exe rundll32.exe PID 2116 wrote to memory of 3172 2116 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c89d407e4d0b51af0cb907c88f80f4d126a8bfab5d382c08a71848fa034a8e45.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c89d407e4d0b51af0cb907c88f80f4d126a8bfab5d382c08a71848fa034a8e45.dll,#12⤵
- Checks whether UAC is enabled