Analysis
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max time kernel
26s -
max time network
119s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
22-06-2021 10:35
Static task
static1
General
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Target
4854fa152bed474f777ee51f794afd9dbd7081f9103532969941a80fd90009a1.dll
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Size
162KB
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MD5
23036caa66c3d024f22b71ba923b7928
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SHA1
9c782f1d971ac4e694e0e46229a20083b298d569
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SHA256
4854fa152bed474f777ee51f794afd9dbd7081f9103532969941a80fd90009a1
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SHA512
8b1a8d9ba6026ce04d695431a984678ddf042820ae30afe5274e1d81347b876b2efd84e1e4baa3b2f1a61f1f3b9dffbee2cf0fd299b380ff3bb04d50a9b719e4
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
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resource yara_rule behavioral1/memory/1316-115-0x00000000742C0000-0x00000000742EE000-memory.dmp dridex_ldr -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 640 wrote to memory of 1316 640 rundll32.exe 71 PID 640 wrote to memory of 1316 640 rundll32.exe 71 PID 640 wrote to memory of 1316 640 rundll32.exe 71
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4854fa152bed474f777ee51f794afd9dbd7081f9103532969941a80fd90009a1.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4854fa152bed474f777ee51f794afd9dbd7081f9103532969941a80fd90009a1.dll,#12⤵
- Checks whether UAC is enabled
PID:1316
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