dridex | 8a903aa0e6a6e353f6ee60899f15f3f702b9a249385253caa50adb9b680fab03

Analysis

max time kernel
240s
max time network
280s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/01/2024, 20:07

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General

Target

41c37a3800620ed1c63e61fae0b8c5e2.dll
Size

184KB
MD5

41c37a3800620ed1c63e61fae0b8c5e2
SHA1

643f4de3722d66d2928924a079482a37b17e2434
SHA256

8a903aa0e6a6e353f6ee60899f15f3f702b9a249385253caa50adb9b680fab03
SHA512

7dd10f9eaa20d434b338d17ce460cd5c36423b709b1884c8e5f43c38227b026944587da777154bbe180c02b7d9551cde37567e2b211c35449a5c69ca67be078a
SSDEEP

3072:ghd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JvVQcY:g3fOeIv54W6SFKfc9me9v9/JvV

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

51.79.50.122:443

222.124.142.67:10443

138.201.222.158:4664

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/2940-0-0x0000000074E40000-0x0000000074E70000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2540	2940	WerFault.exe	27

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2940	2920	rundll32.exe	27
PID 2920 wrote to memory of 2940	2920	rundll32.exe	27
PID 2920 wrote to memory of 2940	2920	rundll32.exe	27
PID 2920 wrote to memory of 2940	2920	rundll32.exe	27
PID 2920 wrote to memory of 2940	2920	rundll32.exe	27
PID 2920 wrote to memory of 2940	2920	rundll32.exe	27
PID 2920 wrote to memory of 2940	2920	rundll32.exe	27
PID 2940 wrote to memory of 2540	2940	rundll32.exe	28
PID 2940 wrote to memory of 2540	2940	rundll32.exe	28
PID 2940 wrote to memory of 2540	2940	rundll32.exe	28
PID 2940 wrote to memory of 2540	2940	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\41c37a3800620ed1c63e61fae0b8c5e2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\41c37a3800620ed1c63e61fae0b8c5e2.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 288
    3⤵
    - Program crash
    PID:2540

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2940-0-0x0000000074E40000-0x0000000074E70000-memory.dmp

Filesize
192KB

Download
memory/2940-1-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

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