Analysis
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max time kernel
141s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-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 behavioral1/memory/2192-0-0x0000000074ED0000-0x0000000074F00000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2556 2192 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2868 wrote to memory of 2192 2868 rundll32.exe 28 PID 2868 wrote to memory of 2192 2868 rundll32.exe 28 PID 2868 wrote to memory of 2192 2868 rundll32.exe 28 PID 2868 wrote to memory of 2192 2868 rundll32.exe 28 PID 2868 wrote to memory of 2192 2868 rundll32.exe 28 PID 2868 wrote to memory of 2192 2868 rundll32.exe 28 PID 2868 wrote to memory of 2192 2868 rundll32.exe 28 PID 2192 wrote to memory of 2556 2192 rundll32.exe 29 PID 2192 wrote to memory of 2556 2192 rundll32.exe 29 PID 2192 wrote to memory of 2556 2192 rundll32.exe 29 PID 2192 wrote to memory of 2556 2192 rundll32.exe 29
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:2868 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1a3013cfc5071536af5b10a92d05e8e.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 3003⤵
- Program crash
PID:2556
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