Analysis
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max time kernel
141s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-03-2024 11:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b20218683df7fb4957e0c9e4842c8043.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b20218683df7fb4957e0c9e4842c8043.dll
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Size
188KB
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MD5
b20218683df7fb4957e0c9e4842c8043
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SHA1
5bf506c80bff91c84c9bd9f342e520a39bcb42c9
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SHA256
0f311118268df476a1e31fd7cae4e7b8fe5ae073cf5072ad2203ef6e55d1c9a7
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SHA512
393cfb36295ad8c32163ef4abab5c1b4c7bda5629704d196484b2a99cf406828bc63e880c2740c9605ecd1537a6d2a6bb944fc2421da74e968a8bac1cab6fff5
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SSDEEP
3072:FA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoXo: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/1628-1-0x0000000074E10000-0x0000000074E40000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 792 1628 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2756 wrote to memory of 1628 2756 rundll32.exe 28 PID 2756 wrote to memory of 1628 2756 rundll32.exe 28 PID 2756 wrote to memory of 1628 2756 rundll32.exe 28 PID 2756 wrote to memory of 1628 2756 rundll32.exe 28 PID 2756 wrote to memory of 1628 2756 rundll32.exe 28 PID 2756 wrote to memory of 1628 2756 rundll32.exe 28 PID 2756 wrote to memory of 1628 2756 rundll32.exe 28 PID 1628 wrote to memory of 792 1628 rundll32.exe 29 PID 1628 wrote to memory of 792 1628 rundll32.exe 29 PID 1628 wrote to memory of 792 1628 rundll32.exe 29 PID 1628 wrote to memory of 792 1628 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b20218683df7fb4957e0c9e4842c8043.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b20218683df7fb4957e0c9e4842c8043.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 3003⤵
- Program crash
PID:792
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