Analysis
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max time kernel
26s -
max time network
119s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
22-06-2021 05:32
Static task
static1
General
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Target
8cfe2a274fc203dfc57f858e8bf5af227447c8236eddf0f61b3fd19d2d59961a.dll
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Size
162KB
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MD5
3a131694507418c2e42cc3269b3d40cf
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SHA1
624f860b56da242145fb6f17bd1093b2d41786e1
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SHA256
8cfe2a274fc203dfc57f858e8bf5af227447c8236eddf0f61b3fd19d2d59961a
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SHA512
50cf2b886bdb8fd45a69ab098570dccff03a424ce87764aef9612590c8920d3be470b70e7a6572e49bf9a5b3f91a161a11a2837d75f43c8ccacc06c9e3c2027b
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/500-115-0x0000000073890000-0x00000000738BE000-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 3008 wrote to memory of 500 3008 rundll32.exe 72 PID 3008 wrote to memory of 500 3008 rundll32.exe 72 PID 3008 wrote to memory of 500 3008 rundll32.exe 72
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8cfe2a274fc203dfc57f858e8bf5af227447c8236eddf0f61b3fd19d2d59961a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8cfe2a274fc203dfc57f858e8bf5af227447c8236eddf0f61b3fd19d2d59961a.dll,#12⤵
- Checks whether UAC is enabled
PID:500
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