dridex | be07c5db23b27b09fe03a4f37882e357f081fa42aa4875504111973019a7ca61

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 13:09

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General

Target

21af205a430a4f8e32c6e3ea17ed4fd5_JaffaCakes118.dll
Size

184KB
MD5

21af205a430a4f8e32c6e3ea17ed4fd5
SHA1

6f1044e86ec84175fc461c367d985aaedb3a02ed
SHA256

be07c5db23b27b09fe03a4f37882e357f081fa42aa4875504111973019a7ca61
SHA512

4d244a339aed1f32b351209916585d8aae682ec9dc5692c1a6e4dc03ddf07e687650086918c1a5de368c6387891199f57a52983fa8b89f5a51cd5db9ce487eeb
SSDEEP

3072:MDHMD9LnP1KxPqM8/1xYTCKJJ+xpm2s7E7jnR1VzGQiEFMFcsvQ:QMhP1cq7/16CT9jnR1Vz7iT

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

137.74.112.43:443

216.108.227.55:6225

94.177.176.51:5723

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

Processes:

resource	yara_rule
behavioral1/memory/1588-0-0x0000000075240000-0x0000000075270000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

656 1588 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

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

pid	pid_target	process	target process
656	1588	WerFault.exe	rundll32.exe

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2516 wrote to memory of 1588	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 1588	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 1588	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 1588	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 1588	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 1588	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 1588	2516	rundll32.exe	rundll32.exe
PID 1588 wrote to memory of 656	1588	rundll32.exe	WerFault.exe
PID 1588 wrote to memory of 656	1588	rundll32.exe	WerFault.exe
PID 1588 wrote to memory of 656	1588	rundll32.exe	WerFault.exe
PID 1588 wrote to memory of 656	1588	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\21af205a430a4f8e32c6e3ea17ed4fd5_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\21af205a430a4f8e32c6e3ea17ed4fd5_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1588 -s 220
    3⤵
    - Program crash
    PID:656

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

Replay Monitor

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Downloads

memory/1588-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1588-0-0x0000000075240000-0x0000000075270000-memory.dmp

Filesize
192KB

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