Analysis
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max time kernel
141s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-03-2024 17:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b2aa5621851f22ad540eaebba5953bb4.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b2aa5621851f22ad540eaebba5953bb4.dll
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Size
188KB
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MD5
b2aa5621851f22ad540eaebba5953bb4
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SHA1
9f272c0661e19ee99b37ecd776fccc6bf5f009f8
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SHA256
1e1eebd375608fc12784c9fab68130e01a45225fd973e8ad689025e60a08af58
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SHA512
9b176347bb6deea86c1ed98966ce5f7b42f5ff7459f20c2a542c17354539c423049647f1a90a10468821bd20a062327cd7e9f42843f264f8359ca6e9d1436cf0
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SSDEEP
3072:IA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAono:IzIqATVfQeV2FZalKq6jtGJWuTmd
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/2000-0-0x00000000753B0000-0x00000000753E0000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 1412 2000 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2224 wrote to memory of 2000 2224 rundll32.exe 28 PID 2224 wrote to memory of 2000 2224 rundll32.exe 28 PID 2224 wrote to memory of 2000 2224 rundll32.exe 28 PID 2224 wrote to memory of 2000 2224 rundll32.exe 28 PID 2224 wrote to memory of 2000 2224 rundll32.exe 28 PID 2224 wrote to memory of 2000 2224 rundll32.exe 28 PID 2224 wrote to memory of 2000 2224 rundll32.exe 28 PID 2000 wrote to memory of 1412 2000 rundll32.exe 29 PID 2000 wrote to memory of 1412 2000 rundll32.exe 29 PID 2000 wrote to memory of 1412 2000 rundll32.exe 29 PID 2000 wrote to memory of 1412 2000 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b2aa5621851f22ad540eaebba5953bb4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b2aa5621851f22ad540eaebba5953bb4.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 3083⤵
- Program crash
PID:1412
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