Analysis
-
max time kernel
39s -
max time network
48s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
04-05-2021 15:30
Static task
static1
General
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Target
e81894525ac86f809f18bde96a5b1055a90d481809c35c9b5b59329d6e4c9b4e.dll
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Size
162KB
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MD5
9417617decdf6d237ba024899078f201
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SHA1
f0fc469a7701631cc95ebce38a44a3ad5f518305
-
SHA256
e81894525ac86f809f18bde96a5b1055a90d481809c35c9b5b59329d6e4c9b4e
-
SHA512
633f677a50d8174f9657451726c0d36de1c4e0369622cd559f54f6c0602541746e0a3bd6fd2d6065823ffeca8c805bb3efa7b69b32f5585598ae0c2f0d712a98
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/1912-115-0x0000000073530000-0x000000007355E000-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 3628 wrote to memory of 1912 3628 rundll32.exe rundll32.exe PID 3628 wrote to memory of 1912 3628 rundll32.exe rundll32.exe PID 3628 wrote to memory of 1912 3628 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e81894525ac86f809f18bde96a5b1055a90d481809c35c9b5b59329d6e4c9b4e.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e81894525ac86f809f18bde96a5b1055a90d481809c35c9b5b59329d6e4c9b4e.dll,#12⤵
- Checks whether UAC is enabled