Analysis
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max time kernel
41s -
max time network
49s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
21-04-2021 17:58
Static task
static1
General
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Target
7aaf9a631dfc8714f3db15024dfc0ca5d2e00c377fa48f2063f0dab953a97c73.dll
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Size
162KB
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MD5
de2df1c050be6bd91dbb40895f13ad64
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SHA1
4b3d9b51d83e28f3b7d0f158d1558ae050c03758
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SHA256
7aaf9a631dfc8714f3db15024dfc0ca5d2e00c377fa48f2063f0dab953a97c73
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SHA512
f08bd45d04422c26ec8c681139fed94941df8827497d3c3c86f4ff25bd7ef1f3d15ea86a849d1ab779dddac7b773ef7ddfd643812b7e10461c566b778b4077c4
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/3624-115-0x0000000073EE0000-0x0000000073F0E000-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 1908 wrote to memory of 3624 1908 rundll32.exe rundll32.exe PID 1908 wrote to memory of 3624 1908 rundll32.exe rundll32.exe PID 1908 wrote to memory of 3624 1908 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7aaf9a631dfc8714f3db15024dfc0ca5d2e00c377fa48f2063f0dab953a97c73.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7aaf9a631dfc8714f3db15024dfc0ca5d2e00c377fa48f2063f0dab953a97c73.dll,#12⤵
- Checks whether UAC is enabled