dridex | cbe880580b41f1da7e034a2c490ac2ac2ad026276a1e079ec753c12f93d2c281

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 22:12

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General

Target
c43c11ac22bbc93474d10f6a1d2e92e8.dll
Size 188KB
Sample240312-14kk8aeb52
SHA256 cbe880580b41f1da7e034a2c490ac2ac2ad026276a1e079ec753c12f93d2c281
MD5 c43c11ac22bbc93474d10f6a1d2e92e8
SHA1 3510109c97655ad6b9484e4e832f07130965f539
SHA512 1d588a7894d743fb992c3cac3eab8ca352c6f9e1940cf9746ed0b2e53d3aba56c47eed30dce6519ea9d3154e827debf36767218e2586979c4c6b2f072f3a5c91
SSDEEP 3072:0A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoQo:0zIqATVfQeV2FZalKq6jtGJWuTmd
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
behavioral2/memory/4428-0-0x0000000075420000-0x0000000075450000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
756	4428	WerFault.exe	89

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 4428	2840	rundll32.exe	89
PID 2840 wrote to memory of 4428	2840	rundll32.exe	89
PID 2840 wrote to memory of 4428	2840	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c43c11ac22bbc93474d10f6a1d2e92e8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c43c11ac22bbc93474d10f6a1d2e92e8.dll,#1
  2⤵
  PID:4428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 664
    3⤵
    - Program crash
    PID:756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4428 -ip 4428
1⤵
PID:892

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4428-0-0x0000000075420000-0x0000000075450000-memory.dmp

Download

memory/4428-1-0x0000000001280000-0x0000000001286000-memory.dmp