Analysis
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max time kernel
50s -
max time network
60s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
21-04-2021 16:00
Static task
static1
General
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Target
473d3acfba96d9579a8eb0ec0067a107a91f20007ed7a33e4c2a73c356c5ed59.dll
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Size
158KB
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MD5
0dde75bcd2f5c99ac33b6600135f3a3a
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SHA1
1a39ce2a7b2f163c8877f811ae3e31d7a8a72b25
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SHA256
473d3acfba96d9579a8eb0ec0067a107a91f20007ed7a33e4c2a73c356c5ed59
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SHA512
9322fb1ad9c1b3fe3689794f6aec666112240c9ada674af3f0658b1098f11dda4dcc96d9154209ae3ad5a60016aed91fe8e1c4070d22033fe2653b6719114847
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/3940-115-0x0000000074090000-0x00000000740BD000-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 3952 wrote to memory of 3940 3952 rundll32.exe rundll32.exe PID 3952 wrote to memory of 3940 3952 rundll32.exe rundll32.exe PID 3952 wrote to memory of 3940 3952 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\473d3acfba96d9579a8eb0ec0067a107a91f20007ed7a33e4c2a73c356c5ed59.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3952 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\473d3acfba96d9579a8eb0ec0067a107a91f20007ed7a33e4c2a73c356c5ed59.dll,#12⤵
- Checks whether UAC is enabled
PID:3940