dridex | 2d7c2380d34bdab22b128eb1167cf5f381d8a532ce25b33550a5e8023e4ffc16

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 13:09

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General

Target

b77a38acb8ddf8f4b054ba70586db6ef.dll
Size

188KB
MD5

b77a38acb8ddf8f4b054ba70586db6ef
SHA1

180b10e3ac49f975d9eb75e7217c7df04f6d5ab8
SHA256

2d7c2380d34bdab22b128eb1167cf5f381d8a532ce25b33550a5e8023e4ffc16
SHA512

ca4df38c048f68645a71110c038decb560c3c07f094c86f4ab656234edff1871146168f594bdbbd0442080826c160297223e67cef938330968d62f7b81f08f26
SSDEEP

3072:4sA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo/o:4szIqATVfQeV2FZalKq6jtGJWuTmd

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/3036-0-0x00000000750A0000-0x00000000750D0000-memory.dmp	dridex_ldr
behavioral1/memory/3036-2-0x00000000750A0000-0x00000000750D0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2396	3036	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 3036	2360	rundll32.exe	28
PID 2360 wrote to memory of 3036	2360	rundll32.exe	28
PID 2360 wrote to memory of 3036	2360	rundll32.exe	28
PID 2360 wrote to memory of 3036	2360	rundll32.exe	28
PID 2360 wrote to memory of 3036	2360	rundll32.exe	28
PID 2360 wrote to memory of 3036	2360	rundll32.exe	28
PID 2360 wrote to memory of 3036	2360	rundll32.exe	28
PID 3036 wrote to memory of 2396	3036	rundll32.exe	29
PID 3036 wrote to memory of 2396	3036	rundll32.exe	29
PID 3036 wrote to memory of 2396	3036	rundll32.exe	29
PID 3036 wrote to memory of 2396	3036	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b77a38acb8ddf8f4b054ba70586db6ef.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b77a38acb8ddf8f4b054ba70586db6ef.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 300
    3⤵
    - Program crash
    PID:2396

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3036-0-0x00000000750A0000-0x00000000750D0000-memory.dmp

Filesize
192KB

Download
memory/3036-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/3036-2-0x00000000750A0000-0x00000000750D0000-memory.dmp

Filesize
192KB

Download