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Analysis
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max time kernel
36s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
26/12/2023, 09:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
63922c2487337188b76e721d86ba1a4f.dll
Resource
win7-20231215-en
4 signatures
150 seconds
General
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Target
63922c2487337188b76e721d86ba1a4f.dll
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Size
175KB
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MD5
63922c2487337188b76e721d86ba1a4f
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SHA1
506aca93e90417e91bdf5cde5095aa07de62acae
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SHA256
1718966d91a317e8d16a0015e8f24c295f8ce978af37acef7cdbc9d76934c100
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SHA512
ccc538139a832b42f0eae3c368316080b6247493dbdff0b8d79660ed64520a312f3d01e2527cc71f8437816573a367f6fd5e0cbf16778dfa22b1d834b6759595
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SSDEEP
3072:syY5bY8XE+kkqh84cKcv4FinaLzL2rVQLOmpvNbTAvDstOr18T:PRAkkk84e4wne2nmhFAvD4O
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
45.79.33.48:443
139.162.202.74:5007
68.183.216.174:7443
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral2/memory/4196-0-0x00000000757A0000-0x00000000757D0000-memory.dmp dridex_ldr behavioral2/memory/4196-2-0x00000000757A0000-0x00000000757D0000-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 4080 wrote to memory of 4196 4080 rundll32.exe 90 PID 4080 wrote to memory of 4196 4080 rundll32.exe 90 PID 4080 wrote to memory of 4196 4080 rundll32.exe 90
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\63922c2487337188b76e721d86ba1a4f.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4080 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\63922c2487337188b76e721d86ba1a4f.dll,#12⤵
- Checks whether UAC is enabled
PID:4196
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