dridex | 7417de8bc151a8f1406bd7fa7d2b4eac427557038b52824ed4b9c40fbafef853

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 01:31

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General

Target
b36f4d10693a2c9a7d48f174c6c612f1.dll
Size 188KB
Sample240305-bxf7sabc34
SHA256 7417de8bc151a8f1406bd7fa7d2b4eac427557038b52824ed4b9c40fbafef853
MD5 b36f4d10693a2c9a7d48f174c6c612f1
SHA1 9a35f2a8203e3829173104011563563b7e06be1f
SHA512 5e6897d6715f461119eaed88a8bc59cc61583498732d9a56284b91898073e45b37098f5d1b720297312e3d7175173892adc9adfed8acf9935c404231de9b693d
SSDEEP 3072:EVA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo8o:EVzIqATVfQeV2FZalKq6jtGJWuTmd
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/1040-0-0x0000000075540000-0x0000000075570000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4780	1040	WerFault.exe	87

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 1040	2256	rundll32.exe	87
PID 2256 wrote to memory of 1040	2256	rundll32.exe	87
PID 2256 wrote to memory of 1040	2256	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b36f4d10693a2c9a7d48f174c6c612f1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b36f4d10693a2c9a7d48f174c6c612f1.dll,#1
  2⤵
  PID:1040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 688
    3⤵
    - Program crash
    PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1040 -ip 1040
1⤵
PID:2148

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1040-0-0x0000000075540000-0x0000000075570000-memory.dmp

Download

memory/1040-1-0x0000000001080000-0x0000000001086000-memory.dmp