dridex | f859433835a92215de3011cc8df7ff417d84fc51ab4f550d968cb68499054d47

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20/04/2024, 00:52

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General

Target
fb8db76fb49208f3238aba8a1c3bf90e_JaffaCakes118.dll
Size 188KB
Sample240420-a8d15ach3t
SHA256 f859433835a92215de3011cc8df7ff417d84fc51ab4f550d968cb68499054d47
MD5 fb8db76fb49208f3238aba8a1c3bf90e
SHA1 91b5154e755875341dc799ed17948b74151787c2
SHA512 d312979b62dc4d8e5419ad7a59761577fb37a6e40439294e7e329e4c7bf737eb1243150ab179d2d34933663256ac7884696552892675da2ff037f4b928a8929b
SSDEEP 3072:uA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoxo:uzIqATVfQeV2FZalKq6jtGJWuTmd
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/4948-0-0x0000000075150000-0x0000000075180000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4824	4948	WerFault.exe	85

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 4948	4464	rundll32.exe	85
PID 4464 wrote to memory of 4948	4464	rundll32.exe	85
PID 4464 wrote to memory of 4948	4464	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb8db76fb49208f3238aba8a1c3bf90e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb8db76fb49208f3238aba8a1c3bf90e_JaffaCakes118.dll,#1
  2⤵
  PID:4948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 688
    3⤵
    - Program crash
    PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4948 -ip 4948
1⤵
PID:2516

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4948-0-0x0000000075150000-0x0000000075180000-memory.dmp

Download

memory/4948-1-0x0000000000910000-0x0000000000916000-memory.dmp