dridex | a054e335d3447f4c3536666f90126e8223e2e261e7cdab1b2893f6a2381dd5d0

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 02:49

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General

Target

JaffaCakes118_a054e335d3447f4c3536666f90126e8223e2e261e7cdab1b2893f6a2381dd5d0.dll
Size

188KB
MD5

736f605cf68debeb09c012466206ab96
SHA1

a6c7dcce4a2c126be22330b283a0c2457696f117
SHA256

a054e335d3447f4c3536666f90126e8223e2e261e7cdab1b2893f6a2381dd5d0
SHA512

d8c9812c5008c792eea9f43b01333f3e59c43646e63d06140400d62235aa888f521be5622b1463b8addc637c8bb3477517a0a942c3cada3b4ec2b2501d9d3147
SSDEEP

3072:1A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo3o:1zIqATVfQeV2FZalKq6jtGJWuTmd

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/2516-0-0x0000000074B80000-0x0000000074BB0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2312	2516	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 1728 wrote to memory of 2516	1728	rundll32.exe	30
PID 1728 wrote to memory of 2516	1728	rundll32.exe	30
PID 1728 wrote to memory of 2516	1728	rundll32.exe	30
PID 1728 wrote to memory of 2516	1728	rundll32.exe	30
PID 1728 wrote to memory of 2516	1728	rundll32.exe	30
PID 1728 wrote to memory of 2516	1728	rundll32.exe	30
PID 1728 wrote to memory of 2516	1728	rundll32.exe	30
PID 2516 wrote to memory of 2312	2516	rundll32.exe	31
PID 2516 wrote to memory of 2312	2516	rundll32.exe	31
PID 2516 wrote to memory of 2312	2516	rundll32.exe	31
PID 2516 wrote to memory of 2312	2516	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a054e335d3447f4c3536666f90126e8223e2e261e7cdab1b2893f6a2381dd5d0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a054e335d3447f4c3536666f90126e8223e2e261e7cdab1b2893f6a2381dd5d0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 300
    3⤵
    - Program crash
    PID:2312

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/2516-0-0x0000000074B80000-0x0000000074BB0000-memory.dmp

Filesize
192KB

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memory/2516-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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