dridex | 1b3bc985fb0dd5389495b583475d4fe4dcfd1a225ece8ebad042aa58de15966d

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 21:07

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General

Target

040a06db74ed9b8f5f4c3422dc6f872e.dll
Size

188KB
MD5

040a06db74ed9b8f5f4c3422dc6f872e
SHA1

723b13aec560eda26ab43ab4865ad2463e998912
SHA256

1b3bc985fb0dd5389495b583475d4fe4dcfd1a225ece8ebad042aa58de15966d
SHA512

bc7267f1e4b8a9c65b91d007ccaaebc1354469335db54df97a33feab2a9a7b0ddccbd0b7bfd5198b9a39acc1edfa026c5bd42dc6c5131a4e505f7a765cd353a2
SSDEEP

3072:dA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoao:dzIqATVfQeV2FZalKq6jtGJWuTmd

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/688-0-0x00000000751F0000-0x0000000075220000-memory.dmp	dridex_ldr
behavioral1/memory/688-1-0x00000000751F0000-0x0000000075220000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2296	688	WerFault.exe	14

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 688	2560	rundll32.exe	14
PID 2560 wrote to memory of 688	2560	rundll32.exe	14
PID 2560 wrote to memory of 688	2560	rundll32.exe	14
PID 2560 wrote to memory of 688	2560	rundll32.exe	14
PID 2560 wrote to memory of 688	2560	rundll32.exe	14
PID 2560 wrote to memory of 688	2560	rundll32.exe	14
PID 2560 wrote to memory of 688	2560	rundll32.exe	14
PID 688 wrote to memory of 2296	688	rundll32.exe	29
PID 688 wrote to memory of 2296	688	rundll32.exe	29
PID 688 wrote to memory of 2296	688	rundll32.exe	29
PID 688 wrote to memory of 2296	688	rundll32.exe	29

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\040a06db74ed9b8f5f4c3422dc6f872e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 300
  2⤵
  - Program crash
  PID:2296

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\040a06db74ed9b8f5f4c3422dc6f872e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2560

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/688-0-0x00000000751F0000-0x0000000075220000-memory.dmp

Filesize
192KB

Download
memory/688-2-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/688-1-0x00000000751F0000-0x0000000075220000-memory.dmp

Filesize
192KB

Download