Analysis
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max time kernel
148s -
max time network
153s -
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 07:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b1857bbd667f35f78bee9d30c3d6c7f0.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b1857bbd667f35f78bee9d30c3d6c7f0.dll
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Size
188KB
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MD5
b1857bbd667f35f78bee9d30c3d6c7f0
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SHA1
5ea6ec6833d5dc0462cd131583ee6a810a27bb37
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SHA256
d589944c699f94846f7115754349175d98fec7fd7d7726f4fb6cdd8793220224
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SHA512
c83025b2993d50cd0e74c3e1978aa98858143be7446f496cc8fab4680e6dabc6aa595e8b956f9567cc01cc6fc60fc524a480c3f4d5af22ac8d0b80c3fd528cf6
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SSDEEP
3072:FA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo6o: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 behavioral2/memory/4368-0-0x0000000075130000-0x0000000075160000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 1232 4368 WerFault.exe 88 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4160 wrote to memory of 4368 4160 rundll32.exe 88 PID 4160 wrote to memory of 4368 4160 rundll32.exe 88 PID 4160 wrote to memory of 4368 4160 rundll32.exe 88
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1857bbd667f35f78bee9d30c3d6c7f0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4160 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1857bbd667f35f78bee9d30c3d6c7f0.dll,#12⤵PID:4368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4368 -s 6883⤵
- Program crash
PID:1232
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4368 -ip 43681⤵PID:1596