dridex | b1d9a5a8a40680b29314568f3737b00476324ff111b9a49d2a2f9da8799aa097

Analysis

max time kernel
142s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/01/2024, 05:21

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General

Target

5a643e76ec5974cf4f0a3fabeb023529.dll
Size

188KB
MD5

5a643e76ec5974cf4f0a3fabeb023529
SHA1

0e1c72b5d1117b460be5e67010c784b6db79471e
SHA256

b1d9a5a8a40680b29314568f3737b00476324ff111b9a49d2a2f9da8799aa097
SHA512

152fe3b4069e038ceadab2874803c41533a2f40062e2374512c07b68bf2c87400ec54fab2839f46acd8c837d19b18e3686b7772c5d7b9cfc32394adf02bc8386
SSDEEP

3072:bA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo8o:bzIqATVfQeV2FZalKq6jtGJWuTmd

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
behavioral1/memory/1900-0-0x0000000074E00000-0x0000000074E30000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2772	1900	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 1900	2644	rundll32.exe	28
PID 2644 wrote to memory of 1900	2644	rundll32.exe	28
PID 2644 wrote to memory of 1900	2644	rundll32.exe	28
PID 2644 wrote to memory of 1900	2644	rundll32.exe	28
PID 2644 wrote to memory of 1900	2644	rundll32.exe	28
PID 2644 wrote to memory of 1900	2644	rundll32.exe	28
PID 2644 wrote to memory of 1900	2644	rundll32.exe	28
PID 1900 wrote to memory of 2772	1900	rundll32.exe	31
PID 1900 wrote to memory of 2772	1900	rundll32.exe	31
PID 1900 wrote to memory of 2772	1900	rundll32.exe	31
PID 1900 wrote to memory of 2772	1900	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a643e76ec5974cf4f0a3fabeb023529.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a643e76ec5974cf4f0a3fabeb023529.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 308
    3⤵
    - Program crash
    PID:2772

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1900-0-0x0000000074E00000-0x0000000074E30000-memory.dmp

Filesize
192KB

Download
memory/1900-1-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download