dridex | 8a8b05edeeaf9f7e5fb9d8164b1b571774e82bf8d54ca1dd4a569751abe5cffc

Analysis

max time kernel
90s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 08:04

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General

Target
8ea307a83911275dcabad39d851ab44e.dll
Size 188KB
Sample240204-jylsnafcfn
SHA256 8a8b05edeeaf9f7e5fb9d8164b1b571774e82bf8d54ca1dd4a569751abe5cffc
MD5 8ea307a83911275dcabad39d851ab44e
SHA1 8d06c35a0164ceaf4dea33ad6e58f469a32ae511
SHA512 77c9aa78613ac18806a93e8b68edb64d94f1035d491f689d8f9ab1d81d2398b69fc7c2c7766a968e4b12dfd107ebaa7e62d119055349f9cdba72488c98e15f8e
SSDEEP 3072:aA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo3o:azIqATVfQeV2FZalKq6jtGJWuTmd
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/1340-0-0x00000000756B0000-0x00000000756E0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4560	1340	WerFault.exe	85

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 1340	4892	rundll32.exe	85
PID 4892 wrote to memory of 1340	4892	rundll32.exe	85
PID 4892 wrote to memory of 1340	4892	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ea307a83911275dcabad39d851ab44e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ea307a83911275dcabad39d851ab44e.dll,#1
  2⤵
  PID:1340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 692
    3⤵
    - Program crash
    PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1340 -ip 1340
1⤵
PID:3088

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1340-0-0x00000000756B0000-0x00000000756E0000-memory.dmp

Download

memory/1340-1-0x0000000000DD0000-0x0000000000DD6000-memory.dmp