Analysis
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max time kernel
18s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
22-06-2021 09:35
Static task
static1
General
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Target
f298e75e2c6a5f80ff6593b370fddeaa06664f0042f5c6a8eb724104da307cb7.dll
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Size
162KB
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MD5
b54c21e6bcc866a0cdfc5af67775ade2
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SHA1
b2d4a255e7f9865de6d719a09260d208076e73f3
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SHA256
f298e75e2c6a5f80ff6593b370fddeaa06664f0042f5c6a8eb724104da307cb7
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SHA512
d8e441717b6638f750f53461411c3cdf486895ebc200c226ed6ed6e9993b46dc17ab99f2997864e82e58bd6e6205e4e8fbc53f33a314850adeac113ce06c8944
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/3172-115-0x0000000074420000-0x000000007444E000-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 2116 wrote to memory of 3172 2116 rundll32.exe 69 PID 2116 wrote to memory of 3172 2116 rundll32.exe 69 PID 2116 wrote to memory of 3172 2116 rundll32.exe 69
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f298e75e2c6a5f80ff6593b370fddeaa06664f0042f5c6a8eb724104da307cb7.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f298e75e2c6a5f80ff6593b370fddeaa06664f0042f5c6a8eb724104da307cb7.dll,#12⤵
- Checks whether UAC is enabled
PID:3172
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