dridex | 3c6a01e61ce87bfbafbfc077a9b55535f4dbb3688f7cf9bf43a9980c45398f57

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:26

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General

Target

JaffaCakes118_3c6a01e61ce87bfbafbfc077a9b55535f4dbb3688f7cf9bf43a9980c45398f57.dll
Size

188KB
MD5

a3f8f2e177bd13765d8fa03bde095880
SHA1

59cd5601b5a834d878fde533e59523b1f0e4bbce
SHA256

3c6a01e61ce87bfbafbfc077a9b55535f4dbb3688f7cf9bf43a9980c45398f57
SHA512

4a7983fb79c24bfe923abea4e5a733ed727181c940a76e9590389c39744e0d1c32c6af6297217279aa35945a31782221e02465d2908798fa6609badf5b9b133b
SSDEEP

3072:jteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzK9qM:Lq7fYIHBZkTB6DWruUCOwjt

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/1344-1-0x00000000754C0000-0x00000000754F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3036	1344	WerFault.exe	28

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 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 1344 wrote to memory of 3036	1344	rundll32.exe	29
PID 1344 wrote to memory of 3036	1344	rundll32.exe	29
PID 1344 wrote to memory of 3036	1344	rundll32.exe	29
PID 1344 wrote to memory of 3036	1344	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c6a01e61ce87bfbafbfc077a9b55535f4dbb3688f7cf9bf43a9980c45398f57.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c6a01e61ce87bfbafbfc077a9b55535f4dbb3688f7cf9bf43a9980c45398f57.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 300
    3⤵
    - Program crash
    PID:3036

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/1344-0-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1344-1-0x00000000754C0000-0x00000000754F0000-memory.dmp

Filesize
192KB

Download
memory/1344-4-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download