Analysis
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max time kernel
18s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
22-06-2021 05:23
Static task
static1
General
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Target
b2bc0189aabca107f0d993e9e248bc015640d538bc95abd6fb4d1571e687ea7a.dll
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Size
158KB
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MD5
280cc54e30fd60ce61295b814b35fe7e
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SHA1
e6d2579f0e703070708c6433966b9393e4db22f4
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SHA256
b2bc0189aabca107f0d993e9e248bc015640d538bc95abd6fb4d1571e687ea7a
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SHA512
92fb37d0e4f24140f0141fc516abf11cc249d1de2fe03f11e144f38d903a4b19e0a02fa9e93b8a863ca27d4672987962a52823e132d431d85c135fb51181a2e5
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
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resource yara_rule behavioral1/memory/3436-115-0x0000000073F20000-0x0000000073F4D000-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 2256 wrote to memory of 3436 2256 rundll32.exe 54 PID 2256 wrote to memory of 3436 2256 rundll32.exe 54 PID 2256 wrote to memory of 3436 2256 rundll32.exe 54
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b2bc0189aabca107f0d993e9e248bc015640d538bc95abd6fb4d1571e687ea7a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b2bc0189aabca107f0d993e9e248bc015640d538bc95abd6fb4d1571e687ea7a.dll,#12⤵
- Checks whether UAC is enabled
PID:3436
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