Analysis
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max time kernel
147s -
max time network
154s -
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 03:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b1244bba9e88a28920520c113951ec5c.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b1244bba9e88a28920520c113951ec5c.dll
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Size
184KB
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MD5
b1244bba9e88a28920520c113951ec5c
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SHA1
ee11094532275bc6baba73b43cabe309796e8c46
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SHA256
a6ce338e74ea732efe64b5c8707c24bb68ef353c8319305ff852edfe22903df7
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SHA512
996089c473c95a020a59ab5b3bf4bf4c43bc052f524d6f85877a2331625b55699c9db4c0a81d22708c378b303675fbe89236b34107748c70e91b5eb67c0da387
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SSDEEP
3072:ahd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33J6VQcY:a3fOeIv54W6SFKfc9me9v9/J6V
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
51.79.50.122:443
222.124.142.67:10443
138.201.222.158:4664
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral2/memory/2336-0-0x0000000074A00000-0x0000000074A30000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 4828 2336 WerFault.exe 86 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2148 wrote to memory of 2336 2148 rundll32.exe 86 PID 2148 wrote to memory of 2336 2148 rundll32.exe 86 PID 2148 wrote to memory of 2336 2148 rundll32.exe 86
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1244bba9e88a28920520c113951ec5c.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1244bba9e88a28920520c113951ec5c.dll,#12⤵PID:2336
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 6683⤵
- Program crash
PID:4828
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2336 -ip 23361⤵PID:4352