dridex | 3fc5399dd2daa5cc9badf8ce40dc3c1262b4c8377c3eee4eb5249d193cad8675

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
06/01/2024, 11:02

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General

Target

46104c97e8745085e6c63e895c2c4d15.dll
Size

188KB
MD5

46104c97e8745085e6c63e895c2c4d15
SHA1

5069f1ada88a97ee98b03edac5b134349d501339
SHA256

3fc5399dd2daa5cc9badf8ce40dc3c1262b4c8377c3eee4eb5249d193cad8675
SHA512

b030a2b3b9ea62690c3fac8830e3f0b9f59815eaa2059c037bbf75a95df949ca936a4015d789d991afcf8e8db5b53d2523659e36628b56ac0b20605cef0d7cfc
SSDEEP

3072:bA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoTo: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/3048-0-0x0000000074DC0000-0x0000000074DF0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	3048	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 3048	2536	rundll32.exe	28
PID 2536 wrote to memory of 3048	2536	rundll32.exe	28
PID 2536 wrote to memory of 3048	2536	rundll32.exe	28
PID 2536 wrote to memory of 3048	2536	rundll32.exe	28
PID 2536 wrote to memory of 3048	2536	rundll32.exe	28
PID 2536 wrote to memory of 3048	2536	rundll32.exe	28
PID 2536 wrote to memory of 3048	2536	rundll32.exe	28
PID 3048 wrote to memory of 2824	3048	rundll32.exe	29
PID 3048 wrote to memory of 2824	3048	rundll32.exe	29
PID 3048 wrote to memory of 2824	3048	rundll32.exe	29
PID 3048 wrote to memory of 2824	3048	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\46104c97e8745085e6c63e895c2c4d15.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\46104c97e8745085e6c63e895c2c4d15.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 308
    3⤵
    - Program crash
    PID:2824

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3048-0-0x0000000074DC0000-0x0000000074DF0000-memory.dmp

Filesize
192KB

Download
memory/3048-1-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download