dridex | 244e920bfa9d1376a1fa31b80879cb164a5d2b662cb2f92d938ea89952987c1b

Analysis

max time kernel
118s
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 22:47

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General

Target

JaffaCakes118_244e920bfa9d1376a1fa31b80879cb164a5d2b662cb2f92d938ea89952987c1b.dll
Size

188KB
MD5

39be688311e941af4acd16da37eabc58
SHA1

d5ce3645fde9bdd52039c4129feaf808cb91828c
SHA256

244e920bfa9d1376a1fa31b80879cb164a5d2b662cb2f92d938ea89952987c1b
SHA512

d711bc52ba1a238b66ae3e1680930eb6876870e5bb714460f7102f47195587ad714b28839bb2c04c693eed57c55c3db754fdbaab7fbf69f35c2d680f230d5690
SSDEEP

3072:2A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoIo:2zIqATVfQeV2FZalKq6jtGJWuTmd

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/1540-1-0x0000000074A40000-0x0000000074A70000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2568	1540	WerFault.exe	29

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 1780 wrote to memory of 1540	1780	rundll32.exe	29
PID 1780 wrote to memory of 1540	1780	rundll32.exe	29
PID 1780 wrote to memory of 1540	1780	rundll32.exe	29
PID 1780 wrote to memory of 1540	1780	rundll32.exe	29
PID 1780 wrote to memory of 1540	1780	rundll32.exe	29
PID 1780 wrote to memory of 1540	1780	rundll32.exe	29
PID 1780 wrote to memory of 1540	1780	rundll32.exe	29
PID 1540 wrote to memory of 2568	1540	rundll32.exe	30
PID 1540 wrote to memory of 2568	1540	rundll32.exe	30
PID 1540 wrote to memory of 2568	1540	rundll32.exe	30
PID 1540 wrote to memory of 2568	1540	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_244e920bfa9d1376a1fa31b80879cb164a5d2b662cb2f92d938ea89952987c1b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_244e920bfa9d1376a1fa31b80879cb164a5d2b662cb2f92d938ea89952987c1b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 300
    3⤵
    - Program crash
    PID:2568

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/1540-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1540-1-0x0000000074A40000-0x0000000074A70000-memory.dmp

Filesize
192KB

Download
memory/1540-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download