dridex | a21546e3c223e2df3dd3e9ec7fbed2fbc65b74bfeaf13b6880399f90de616c32

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
30-12-2024 18:13

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General

Target

JaffaCakes118_a21546e3c223e2df3dd3e9ec7fbed2fbc65b74bfeaf13b6880399f90de616c32.dll
Size

188KB
MD5

09e4a0c5e68aded1d3183440a28cd21f
SHA1

c0c55e5fca6ffc64d97f2ca12d0623ecdc78bf2a
SHA256

a21546e3c223e2df3dd3e9ec7fbed2fbc65b74bfeaf13b6880399f90de616c32
SHA512

e355f00b153624f0d20ae169841d02d6e3c1ed46c99ea728953ce858f201c3c73efa208d12fea8cd8cf3779436be94469a1d8830812d4fd8b18e54b8cd6b8cfd
SSDEEP

3072:QteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzv9qM:Eq7fYIHBZkTB6DWruUCOwjt

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/2516-1-0x00000000753B0000-0x00000000753E0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1876	2516	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 2332 wrote to memory of 2516	2332	rundll32.exe	31
PID 2332 wrote to memory of 2516	2332	rundll32.exe	31
PID 2332 wrote to memory of 2516	2332	rundll32.exe	31
PID 2332 wrote to memory of 2516	2332	rundll32.exe	31
PID 2332 wrote to memory of 2516	2332	rundll32.exe	31
PID 2332 wrote to memory of 2516	2332	rundll32.exe	31
PID 2332 wrote to memory of 2516	2332	rundll32.exe	31
PID 2516 wrote to memory of 1876	2516	rundll32.exe	32
PID 2516 wrote to memory of 1876	2516	rundll32.exe	32
PID 2516 wrote to memory of 1876	2516	rundll32.exe	32
PID 2516 wrote to memory of 1876	2516	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a21546e3c223e2df3dd3e9ec7fbed2fbc65b74bfeaf13b6880399f90de616c32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a21546e3c223e2df3dd3e9ec7fbed2fbc65b74bfeaf13b6880399f90de616c32.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:1876

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/2516-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2516-1-0x00000000753B0000-0x00000000753E0000-memory.dmp

Filesize
192KB

Download
memory/2516-3-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download