dridex | 4b125ad40f0a000d10d43b69711f601413a1446dc8955662d1025d7b7e163c5f

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
23/12/2024, 18:45

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General

Target

JaffaCakes118_4b125ad40f0a000d10d43b69711f601413a1446dc8955662d1025d7b7e163c5f.dll
Size

188KB
MD5

755b9543a4e9890cb32994d6d49bb3f2
SHA1

cb6902e4ee8a8978b5efe7c4e56ef37f4ffd3420
SHA256

4b125ad40f0a000d10d43b69711f601413a1446dc8955662d1025d7b7e163c5f
SHA512

1559940651e8cb4cf8c31ce86231152828602dfd9c32905fe51a4fc838ae97ae4c14f26c61b2f7f8defcbab3c0bdd97d6acc5a0f7eed3b8500a1f25a3ab4733d
SSDEEP

3072:5A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoHo:5zIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery 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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/3036-1-0x0000000075040000-0x0000000075070000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3060	3036	WerFault.exe	30

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 2964 wrote to memory of 3036	2964	rundll32.exe	30
PID 2964 wrote to memory of 3036	2964	rundll32.exe	30
PID 2964 wrote to memory of 3036	2964	rundll32.exe	30
PID 2964 wrote to memory of 3036	2964	rundll32.exe	30
PID 2964 wrote to memory of 3036	2964	rundll32.exe	30
PID 2964 wrote to memory of 3036	2964	rundll32.exe	30
PID 2964 wrote to memory of 3036	2964	rundll32.exe	30
PID 3036 wrote to memory of 3060	3036	rundll32.exe	31
PID 3036 wrote to memory of 3060	3036	rundll32.exe	31
PID 3036 wrote to memory of 3060	3036	rundll32.exe	31
PID 3036 wrote to memory of 3060	3036	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b125ad40f0a000d10d43b69711f601413a1446dc8955662d1025d7b7e163c5f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b125ad40f0a000d10d43b69711f601413a1446dc8955662d1025d7b7e163c5f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - 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:3060

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/3036-0-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/3036-1-0x0000000075040000-0x0000000075070000-memory.dmp

Filesize
192KB

Download
memory/3036-3-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download