dridex | 1c38b3f0f354a1ea13f092a6fd99e0fab8ba85194129eee6c6e9ad088d14c9aa

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
03-02-2024 09:51

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General

Target

8c060cdf774f6ce712a10313c8323f85.dll
Size

188KB
MD5

8c060cdf774f6ce712a10313c8323f85
SHA1

99fbbea1c80d05cd1083fc5b1ac306019c195d31
SHA256

1c38b3f0f354a1ea13f092a6fd99e0fab8ba85194129eee6c6e9ad088d14c9aa
SHA512

1cf7457b7b8a3abc60f176239eabf48cc0f419607c89dbc2bdde78597638b3b76419afbfefeb000b4f4d1eceacc5faa2c9a912185933bc7bcc76b95fd14c64a1
SSDEEP

3072:NA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoVo:NzIqATVfQeV2FZalKq6jtGJWuTmd

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2700-0-0x0000000074FF0000-0x0000000075020000-memory.dmp	dridex_ldr
behavioral1/memory/2700-2-0x0000000074FF0000-0x0000000075020000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2740	2700	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 2700	1200	rundll32.exe	28
PID 1200 wrote to memory of 2700	1200	rundll32.exe	28
PID 1200 wrote to memory of 2700	1200	rundll32.exe	28
PID 1200 wrote to memory of 2700	1200	rundll32.exe	28
PID 1200 wrote to memory of 2700	1200	rundll32.exe	28
PID 1200 wrote to memory of 2700	1200	rundll32.exe	28
PID 1200 wrote to memory of 2700	1200	rundll32.exe	28
PID 2700 wrote to memory of 2740	2700	rundll32.exe	29
PID 2700 wrote to memory of 2740	2700	rundll32.exe	29
PID 2700 wrote to memory of 2740	2700	rundll32.exe	29
PID 2700 wrote to memory of 2740	2700	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c060cdf774f6ce712a10313c8323f85.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c060cdf774f6ce712a10313c8323f85.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 308
    3⤵
    - Program crash
    PID:2740

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2700-0-0x0000000074FF0000-0x0000000075020000-memory.dmp

Filesize
192KB

Download
memory/2700-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2700-2-0x0000000074FF0000-0x0000000075020000-memory.dmp

Filesize
192KB

Download