Analysis
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max time kernel
92s -
max time network
127s -
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 10:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b1df6bb731ecc9f3fb20857b2cfc559f.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b1df6bb731ecc9f3fb20857b2cfc559f.dll
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Size
188KB
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MD5
b1df6bb731ecc9f3fb20857b2cfc559f
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SHA1
48044789bef0bb6ebddc33a8c4b01fc157e157b2
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SHA256
006e0f57154580997395e919047510a08086edad9ea6759b23dde3e75b6d50b1
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SHA512
83ef43a1d6bbfcbd26d9afd8630b96f883a109894bf834aeda31fba522acfe48fa18c7e1bf4171908341b64be68217feb33ecee992f851b01e5d072d09bdf5d8
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SSDEEP
3072:TA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo6o:TzIqATVfQeV2FZalKq6jtGJWuTmd
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/3952-0-0x00000000758D0000-0x0000000075900000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2976 3952 WerFault.exe 87 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3164 wrote to memory of 3952 3164 rundll32.exe 87 PID 3164 wrote to memory of 3952 3164 rundll32.exe 87 PID 3164 wrote to memory of 3952 3164 rundll32.exe 87
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1df6bb731ecc9f3fb20857b2cfc559f.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3164 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1df6bb731ecc9f3fb20857b2cfc559f.dll,#12⤵PID:3952
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 6923⤵
- Program crash
PID:2976
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 3952 -ip 39521⤵PID:3100