Analysis
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max time kernel
18s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
22-06-2021 08:15
Static task
static1
General
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Target
ffa9e42779120c3c28e3ff3fb982a97b9ea75b4760c5f1512fea346a0b8d1d23.dll
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Size
162KB
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MD5
4c4867bef2ef0d6c5341756c1a723bb2
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SHA1
93e5f5982a8b41ef49ad0301345dc6cf92293c6f
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SHA256
ffa9e42779120c3c28e3ff3fb982a97b9ea75b4760c5f1512fea346a0b8d1d23
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SHA512
9010d71ddab1e99192b6fc2d735c910643c64f4ef4c1afb15f1baa4998976e38537610926b934204ccb2e7cdc4e0d93244f3aacb761d2d59eed1d2e963accacf
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/4072-115-0x0000000073B70000-0x0000000073B9E000-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 3908 wrote to memory of 4072 3908 rundll32.exe 70 PID 3908 wrote to memory of 4072 3908 rundll32.exe 70 PID 3908 wrote to memory of 4072 3908 rundll32.exe 70
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ffa9e42779120c3c28e3ff3fb982a97b9ea75b4760c5f1512fea346a0b8d1d23.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ffa9e42779120c3c28e3ff3fb982a97b9ea75b4760c5f1512fea346a0b8d1d23.dll,#12⤵
- Checks whether UAC is enabled
PID:4072
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