Analysis
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max time kernel
73s -
max time network
74s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
21-04-2021 17:16
Static task
static1
General
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Target
dffb2b2f4681001350fb8c0a44f5ffaca7205dd4df9082c6bec3223ed83c8501.dll
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Size
162KB
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MD5
478b918d9df5c12a06c1fbc90c7da1db
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SHA1
7cd24bdaf7de98ff777adbf5500e89d2da6ceb88
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SHA256
dffb2b2f4681001350fb8c0a44f5ffaca7205dd4df9082c6bec3223ed83c8501
-
SHA512
7a892fe6d2fd9d1e325a5fbf94edb730b557db319e2bc0b926a7c2f1af938671c8c30db42cac09800629a2c6cfc4c6b61a818e9e68b044b77139f671033d65cd
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/496-115-0x0000000073860000-0x000000007388E000-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 3944 wrote to memory of 496 3944 rundll32.exe rundll32.exe PID 3944 wrote to memory of 496 3944 rundll32.exe rundll32.exe PID 3944 wrote to memory of 496 3944 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dffb2b2f4681001350fb8c0a44f5ffaca7205dd4df9082c6bec3223ed83c8501.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dffb2b2f4681001350fb8c0a44f5ffaca7205dd4df9082c6bec3223ed83c8501.dll,#12⤵
- Checks whether UAC is enabled
PID:496