dridex | fac785f63e65f9529848de6692a93c4f0b49673c4dab1956c76288a3848c327c

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 14:35

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General

Target
b4f02c7fbc16d032f4f49aeb716dc571.dll
Size 188KB
Sample240305-rybaxsaa77
SHA256 fac785f63e65f9529848de6692a93c4f0b49673c4dab1956c76288a3848c327c
MD5 b4f02c7fbc16d032f4f49aeb716dc571
SHA1 93451ecd0a4f3d346ec992db80583107a8c2fcea
SHA512 d00b6beb42e7927a5dc3979ba36babfc774ecbba0ed0cea880379af94f2a5d2c325a85a9756a506e90289fb7213bcd003172cb96a6522809bd1c23da6d6d0d80
SSDEEP 3072:XA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoeo:XzIqATVfQeV2FZalKq6jtGJWuTmd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443
54.39.98.141:6602
103.109.247.8:10443

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1948-0-0x0000000075300000-0x0000000075330000-memory.dmp	dridex_ldr
behavioral1/memory/1948-2-0x0000000075300000-0x0000000075330000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2204	1948	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1948	1728	rundll32.exe	28
PID 1728 wrote to memory of 1948	1728	rundll32.exe	28
PID 1728 wrote to memory of 1948	1728	rundll32.exe	28
PID 1728 wrote to memory of 1948	1728	rundll32.exe	28
PID 1728 wrote to memory of 1948	1728	rundll32.exe	28
PID 1728 wrote to memory of 1948	1728	rundll32.exe	28
PID 1728 wrote to memory of 1948	1728	rundll32.exe	28
PID 1948 wrote to memory of 2204	1948	rundll32.exe	29
PID 1948 wrote to memory of 2204	1948	rundll32.exe	29
PID 1948 wrote to memory of 2204	1948	rundll32.exe	29
PID 1948 wrote to memory of 2204	1948	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4f02c7fbc16d032f4f49aeb716dc571.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4f02c7fbc16d032f4f49aeb716dc571.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 300
    3⤵
    - Program crash
    PID:2204

Network

MITRE ATT&CK Matrix

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Downloads

memory/1948-0-0x0000000075300000-0x0000000075330000-memory.dmp

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memory/1948-1-0x0000000000180000-0x0000000000186000-memory.dmp

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memory/1948-2-0x0000000075300000-0x0000000075330000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads