Analysis
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max time kernel
141s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 behavioral1/memory/2980-0-0x00000000753B0000-0x00000000753E0000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2984 2980 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2368 wrote to memory of 2980 2368 rundll32.exe 28 PID 2368 wrote to memory of 2980 2368 rundll32.exe 28 PID 2368 wrote to memory of 2980 2368 rundll32.exe 28 PID 2368 wrote to memory of 2980 2368 rundll32.exe 28 PID 2368 wrote to memory of 2980 2368 rundll32.exe 28 PID 2368 wrote to memory of 2980 2368 rundll32.exe 28 PID 2368 wrote to memory of 2980 2368 rundll32.exe 28 PID 2980 wrote to memory of 2984 2980 rundll32.exe 29 PID 2980 wrote to memory of 2984 2980 rundll32.exe 29 PID 2980 wrote to memory of 2984 2980 rundll32.exe 29 PID 2980 wrote to memory of 2984 2980 rundll32.exe 29
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:2368 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1857bbd667f35f78bee9d30c3d6c7f0.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 3083⤵
- Program crash
PID:2984
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