Analysis
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max time kernel
144s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
01-03-2024 04:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b05900afd64c21e09b66a2c1a664e85e.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b05900afd64c21e09b66a2c1a664e85e.dll
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Size
188KB
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MD5
b05900afd64c21e09b66a2c1a664e85e
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SHA1
76883ec13774398bc08fdced3c3ee2b5fabe75a1
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SHA256
e5e8ab3d1b4d8d5c95f5f35e140765d3e55c9523ba2fb8249a93075c99c64ab2
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SHA512
ec901ec9d68ffdd1431cf8f79b3075652400cfdb5fa3116dbfb70419ed31fe24d976ce5dee4efd2cf4d99d929dce948b7bc6e012b34cfa335553a0033bc367a2
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SSDEEP
3072:zA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo5o:zzIqATVfQeV2FZalKq6jtGJWuTmd
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/2940-0-0x00000000752C0000-0x00000000752F0000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2172 2940 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2860 wrote to memory of 2940 2860 rundll32.exe 28 PID 2860 wrote to memory of 2940 2860 rundll32.exe 28 PID 2860 wrote to memory of 2940 2860 rundll32.exe 28 PID 2860 wrote to memory of 2940 2860 rundll32.exe 28 PID 2860 wrote to memory of 2940 2860 rundll32.exe 28 PID 2860 wrote to memory of 2940 2860 rundll32.exe 28 PID 2860 wrote to memory of 2940 2860 rundll32.exe 28 PID 2940 wrote to memory of 2172 2940 rundll32.exe 29 PID 2940 wrote to memory of 2172 2940 rundll32.exe 29 PID 2940 wrote to memory of 2172 2940 rundll32.exe 29 PID 2940 wrote to memory of 2172 2940 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b05900afd64c21e09b66a2c1a664e85e.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b05900afd64c21e09b66a2c1a664e85e.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 3083⤵
- Program crash
PID:2172
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