dridex | af8cc3de3c7c149a1f8e0d5d7530762cf75754547866f2da550f2d350ec315c7

Analysis

max time kernel
91s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20/01/2024, 15:16

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General

Target
6ac4d91bc412bcaa719b91ee5a63c33b.dll
Size 184KB
Sample240120-sneq2acadn
SHA256 af8cc3de3c7c149a1f8e0d5d7530762cf75754547866f2da550f2d350ec315c7
MD5 6ac4d91bc412bcaa719b91ee5a63c33b
SHA1 ea6810f38b109606d1661296118f7f68fa6432ac
SHA512 125778d3d38c1f0ac65e3eb26ffffc9f68d0402892ac0a3a93d81ef2489c7bdcf0ff8b42259ef1a505fbc21de995a6d1c05645abdb66690b75ad6f13d8721ff6
SSDEEP 3072:QcYhzpn9z75jWpmrL3gA99hXkKsorn+AOr4RFjvaT:QcIntom33RDvn+RrOr
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22203 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22203

137.74.112.43:443
216.108.227.55:6225
94.177.176.51:5723

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/2312-1-0x0000000074B90000-0x0000000074BC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2408	2312	WerFault.exe	84

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2312	2488	rundll32.exe	84
PID 2488 wrote to memory of 2312	2488	rundll32.exe	84
PID 2488 wrote to memory of 2312	2488	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ac4d91bc412bcaa719b91ee5a63c33b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ac4d91bc412bcaa719b91ee5a63c33b.dll,#1
  2⤵
  PID:2312
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 612
    3⤵
    - Program crash
    PID:2408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2312 -ip 2312
1⤵
PID:4908

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2312-0-0x0000000000ED0000-0x0000000000ED6000-memory.dmp

Download

memory/2312-1-0x0000000074B90000-0x0000000074BC0000-memory.dmp