dridex | 735cc85ea368f4ed7f5331bb0d744e280bdee4f2bbf961239b3440106edc54a8

Analysis

max time kernel
142s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 12:18

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General

Target

8b839bb135e3607285fd75d88a81b685.dll
Size

184KB
MD5

8b839bb135e3607285fd75d88a81b685
SHA1

44c73771d612639ef6d24f7f666f51338c95a439
SHA256

735cc85ea368f4ed7f5331bb0d744e280bdee4f2bbf961239b3440106edc54a8
SHA512

fae210df4452af2610bceda1547c8ea09d8fe862bf081c88772c3a670e2a7de66fb238dc258a9a6cba34101b7f27ba48479a118b4d0eb8f0b4b4ff30f58fdac8
SSDEEP

3072:dgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgRdA4l:sPFkq6zOe5ilSanOCd

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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
behavioral1/memory/1748-0-0x0000000074FE0000-0x0000000075010000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2844	1748	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 1748	2452	rundll32.exe	28
PID 2452 wrote to memory of 1748	2452	rundll32.exe	28
PID 2452 wrote to memory of 1748	2452	rundll32.exe	28
PID 2452 wrote to memory of 1748	2452	rundll32.exe	28
PID 2452 wrote to memory of 1748	2452	rundll32.exe	28
PID 2452 wrote to memory of 1748	2452	rundll32.exe	28
PID 2452 wrote to memory of 1748	2452	rundll32.exe	28
PID 1748 wrote to memory of 2844	1748	rundll32.exe	29
PID 1748 wrote to memory of 2844	1748	rundll32.exe	29
PID 1748 wrote to memory of 2844	1748	rundll32.exe	29
PID 1748 wrote to memory of 2844	1748	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b839bb135e3607285fd75d88a81b685.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b839bb135e3607285fd75d88a81b685.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 224
    3⤵
    - Program crash
    PID:2844

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1748-0-0x0000000074FE0000-0x0000000075010000-memory.dmp

Filesize
192KB

Download
memory/1748-1-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download