Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04-03-2024 08:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b1a3013cfc5071536af5b10a92d05e8e.dll
Resource
win7-20240215-en
4 signatures
150 seconds
General
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Target
b1a3013cfc5071536af5b10a92d05e8e.dll
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Size
188KB
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MD5
b1a3013cfc5071536af5b10a92d05e8e
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SHA1
ec0d479fe5e46737b96894d65aa8cf0b210a3e13
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SHA256
ed2e3b863441c1df52fbd8221c443b28a513073572efccd1acaeaed56cac62c2
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SHA512
05c065e1ee6363aa3be4a7adca67210f0a2dbaf16a950b91d3a5896f30336ce41bd9aee491f1cc77cbd2209ac8588faeae59a6c1d7dfe9e2a738f1757a23e108
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SSDEEP
3072:FA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo2o:FzIqATVfQeV2FZalKq6jtGJWuTmd
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
103.82.248.59:443
54.39.98.141:6602
103.109.247.8:10443
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral2/memory/3444-0-0x0000000074970000-0x00000000749A0000-memory.dmp dridex_ldr behavioral2/memory/3444-2-0x0000000074970000-0x00000000749A0000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 768 3444 WerFault.exe 88 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1520 wrote to memory of 3444 1520 rundll32.exe 88 PID 1520 wrote to memory of 3444 1520 rundll32.exe 88 PID 1520 wrote to memory of 3444 1520 rundll32.exe 88
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1a3013cfc5071536af5b10a92d05e8e.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1a3013cfc5071536af5b10a92d05e8e.dll,#12⤵PID:3444
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 6643⤵
- Program crash
PID:768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3444 -ip 34441⤵PID:2856