Analysis
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max time kernel
93s -
max time network
126s -
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 12:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b21ab010650622a98ddb2884260f5d59.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b21ab010650622a98ddb2884260f5d59.dll
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Size
184KB
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MD5
b21ab010650622a98ddb2884260f5d59
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SHA1
1beeb79e8a85555804ad2fec07feae4561119818
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SHA256
57b447e662295400352d20ecf1a8e93345e4c38b28ecdd49b05c331a90e9462f
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SHA512
551c68976676c1a9408862ff27cf07fa2749c388eafe9045cbd793d665339d6e602d69924c322bc11adc1592b0e051f114881b02016335e83bba2e100452a755
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SSDEEP
3072:Ghd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33J4VQcY:G3fOeIv54W6SFKfc9me9v9/J4V
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
-
resource yara_rule behavioral2/memory/4376-1-0x0000000074F70000-0x0000000074FA0000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 3300 4376 WerFault.exe 88 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1564 wrote to memory of 4376 1564 rundll32.exe 88 PID 1564 wrote to memory of 4376 1564 rundll32.exe 88 PID 1564 wrote to memory of 4376 1564 rundll32.exe 88
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b21ab010650622a98ddb2884260f5d59.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1564 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b21ab010650622a98ddb2884260f5d59.dll,#12⤵PID:4376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 6763⤵
- Program crash
PID:3300
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4376 -ip 43761⤵PID:4840