dridex | 50a2b4236969892d9bade8ee4478d6b27e7c14b3cba1da71425ae4e099f44fce

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 16:15

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General

Target

50a2b4236969892d9bade8ee4478d6b27e7c14b3cba1da71425ae4e099f44fce.dll
Size

188KB
MD5

32d30364063f477adb924a5a21ae388b
SHA1

7e67dcd6bcc8afb605dacaeeb059c80ace243a64
SHA256

50a2b4236969892d9bade8ee4478d6b27e7c14b3cba1da71425ae4e099f44fce
SHA512

bf8b69e45f6cbc15523d2b704bad4af8c8a363aaf611ef839086146b7a9d0b0dea50d9f4cdcf32cdadf992fc3cadd4c3292cf13c9814ab44f32e39f348bb2123
SSDEEP

3072:LteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzh9qM:Dq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2748-1-0x0000000074A40000-0x0000000074A70000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2288	2748	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 2748	628	rundll32.exe	31
PID 628 wrote to memory of 2748	628	rundll32.exe	31
PID 628 wrote to memory of 2748	628	rundll32.exe	31
PID 628 wrote to memory of 2748	628	rundll32.exe	31
PID 628 wrote to memory of 2748	628	rundll32.exe	31
PID 628 wrote to memory of 2748	628	rundll32.exe	31
PID 628 wrote to memory of 2748	628	rundll32.exe	31
PID 2748 wrote to memory of 2288	2748	rundll32.exe	32
PID 2748 wrote to memory of 2288	2748	rundll32.exe	32
PID 2748 wrote to memory of 2288	2748	rundll32.exe	32
PID 2748 wrote to memory of 2288	2748	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\50a2b4236969892d9bade8ee4478d6b27e7c14b3cba1da71425ae4e099f44fce.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\50a2b4236969892d9bade8ee4478d6b27e7c14b3cba1da71425ae4e099f44fce.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 300
    3⤵
    - Program crash
    PID:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2748-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2748-1-0x0000000074A40000-0x0000000074A70000-memory.dmp

Filesize
192KB

Download
memory/2748-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download