Analysis
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max time kernel
20s -
max time network
126s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
22-06-2021 04:08
Static task
static1
General
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Target
b29b45053dbca5908709627b1f162a91672ba286e4b2b9b88886cf59004f066a.dll
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Size
162KB
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MD5
c245e429272ee5a3f03146a462936109
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SHA1
85ceae8ce5349c08432174de0154d8fd00afad71
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SHA256
b29b45053dbca5908709627b1f162a91672ba286e4b2b9b88886cf59004f066a
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SHA512
2d1d8800a69d9b5a3f0da00ff1318e3133fe77b77571155db50737c7e84ec4174b8722be5d8fb9f1b93ed3dbef7d10fc0732569f3a5f2d631b3581cfc4d7668f
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/1728-115-0x0000000073DE0000-0x0000000073E0E000-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 3944 wrote to memory of 1728 3944 rundll32.exe 70 PID 3944 wrote to memory of 1728 3944 rundll32.exe 70 PID 3944 wrote to memory of 1728 3944 rundll32.exe 70
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b29b45053dbca5908709627b1f162a91672ba286e4b2b9b88886cf59004f066a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b29b45053dbca5908709627b1f162a91672ba286e4b2b9b88886cf59004f066a.dll,#12⤵
- Checks whether UAC is enabled
PID:1728
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