Analysis
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max time kernel
19s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
22-06-2021 07:33
Static task
static1
General
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Target
b6124d6acf57d811c2b5bee9057ec0e9cf519e720a9415e971d5dff2b53603c0.dll
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Size
162KB
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MD5
ad37c1d2facd700c1b8fffbb8ca68149
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SHA1
275d4d7245d7c0a19511580f2bd1e95bb348503c
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SHA256
b6124d6acf57d811c2b5bee9057ec0e9cf519e720a9415e971d5dff2b53603c0
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SHA512
b6b91a068b5d402bce5339d06bb9cf27a92700d7fc38154896355a1ade00b13dd487198359abeba78e02be29824b91a841d2808b1c0b0ab3cc9b72f50d6aecc2
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/912-115-0x0000000073D70000-0x0000000073D9E000-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 3256 wrote to memory of 912 3256 rundll32.exe 73 PID 3256 wrote to memory of 912 3256 rundll32.exe 73 PID 3256 wrote to memory of 912 3256 rundll32.exe 73
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b6124d6acf57d811c2b5bee9057ec0e9cf519e720a9415e971d5dff2b53603c0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3256 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b6124d6acf57d811c2b5bee9057ec0e9cf519e720a9415e971d5dff2b53603c0.dll,#12⤵
- Checks whether UAC is enabled
PID:912
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