dridex | 130745b1ee7621684330f2037d0db3def5d223eebaaa7826b6201171dcaba459

Analysis

max time kernel
140s
max time network
117s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/02/2024, 19:38

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General

Target
acaf588035d0fd86a814e4498a3aebdf.dll
Size 188KB
Sample240228-ycl9macb97
SHA256 130745b1ee7621684330f2037d0db3def5d223eebaaa7826b6201171dcaba459
MD5 acaf588035d0fd86a814e4498a3aebdf
SHA1 486d972a71ff1988c9b79e9b46660a2058b05f69
SHA512 11e8a183c21aa3fc798bda603d4fcf3ba89a50c9d0d89c82e3d5c6e4977505a6fc4f0d5907c5db9c95c8dcaad1bd9acde346b9f1b5d917d6115d791b610de16f
SSDEEP 3072:hA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoSo:hzIqATVfQeV2FZalKq6jtGJWuTmd
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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1952-0-0x0000000074B40000-0x0000000074B70000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3008	1952	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 1952	2776	rundll32.exe	28
PID 2776 wrote to memory of 1952	2776	rundll32.exe	28
PID 2776 wrote to memory of 1952	2776	rundll32.exe	28
PID 2776 wrote to memory of 1952	2776	rundll32.exe	28
PID 2776 wrote to memory of 1952	2776	rundll32.exe	28
PID 2776 wrote to memory of 1952	2776	rundll32.exe	28
PID 2776 wrote to memory of 1952	2776	rundll32.exe	28
PID 1952 wrote to memory of 3008	1952	rundll32.exe	29
PID 1952 wrote to memory of 3008	1952	rundll32.exe	29
PID 1952 wrote to memory of 3008	1952	rundll32.exe	29
PID 1952 wrote to memory of 3008	1952	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\acaf588035d0fd86a814e4498a3aebdf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\acaf588035d0fd86a814e4498a3aebdf.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1952
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 300
    3⤵
    - Program crash
    PID:3008

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1952-0-0x0000000074B40000-0x0000000074B70000-memory.dmp

Download

memory/1952-1-0x0000000000190000-0x0000000000196000-memory.dmp