dridex | 3528b08a00c18cad87cdaa464dc57ae7c3898459f053f7efdedfd7d0b9041adb

Analysis

max time kernel
150s
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
21/03/2024, 04:29

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General

Target
dab1d380aebdabc3b74a5a9c9678685a.dll
Size 184KB
Sample240321-e39ytsbg79
SHA256 3528b08a00c18cad87cdaa464dc57ae7c3898459f053f7efdedfd7d0b9041adb
MD5 dab1d380aebdabc3b74a5a9c9678685a
SHA1 9a93f0be0aba8632f0baa3d00af4adb0ee27d2cc
SHA512 bdd9180eabf82bef7defe7367e604301e2bd84a9f7e9904d76a093bd53be1cdfd7e773a409eb558cf873ddae9e7738987118ab848af5b684841aaaffdbb844a2
SSDEEP 3072:mhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JJVQcY:m3fOeIv54W6SFKfc9me9v9/JJV
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

51.79.50.122:443
222.124.142.67:10443
138.201.222.158:4664

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/1492-0-0x0000000075800000-0x0000000075830000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1580	1492	WerFault.exe	89

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 1492	3700	rundll32.exe	89
PID 3700 wrote to memory of 1492	3700	rundll32.exe	89
PID 3700 wrote to memory of 1492	3700	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dab1d380aebdabc3b74a5a9c9678685a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dab1d380aebdabc3b74a5a9c9678685a.dll,#1
  2⤵
  PID:1492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 668
    3⤵
    - Program crash
    PID:1580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 1492 -ip 1492
1⤵
PID:4092

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1492-0-0x0000000075800000-0x0000000075830000-memory.dmp

Download

memory/1492-1-0x0000000000990000-0x0000000000996000-memory.dmp