dridex | 73b3c111ba82362e5ab0db96b47bbdfef7ecbefc09b7d613e4a8e4181f6e922e

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:59

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General

Target

JaffaCakes118_73b3c111ba82362e5ab0db96b47bbdfef7ecbefc09b7d613e4a8e4181f6e922e.dll
Size

188KB
MD5

7be688b6c081dca643bca2129728b0dd
SHA1

af8e6306c80a6ca05725f2aa86406f729515e2c3
SHA256

73b3c111ba82362e5ab0db96b47bbdfef7ecbefc09b7d613e4a8e4181f6e922e
SHA512

3a25f7e0fb8adcfb252c2fecb7228dcea5bc5f826b757fb1533f0105766698d0f1df95984707d5cbf5b4d198e921cfe595f940a483909eac8f334403706c8d95
SSDEEP

3072:MA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAowo:MzIqATVfQeV2FZalKq6jtGJWuTmd

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2672-1-0x0000000074FF0000-0x0000000075020000-memory.dmp	dridex_ldr
behavioral1/memory/2672-2-0x0000000074FF0000-0x0000000075020000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2712	2672	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 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2672 wrote to memory of 2712	2672	rundll32.exe	31
PID 2672 wrote to memory of 2712	2672	rundll32.exe	31
PID 2672 wrote to memory of 2712	2672	rundll32.exe	31
PID 2672 wrote to memory of 2712	2672	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73b3c111ba82362e5ab0db96b47bbdfef7ecbefc09b7d613e4a8e4181f6e922e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73b3c111ba82362e5ab0db96b47bbdfef7ecbefc09b7d613e4a8e4181f6e922e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 300
    3⤵
    - Program crash
    PID:2712

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/2672-0-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2672-1-0x0000000074FF0000-0x0000000075020000-memory.dmp

Filesize
192KB

Download
memory/2672-3-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2672-2-0x0000000074FF0000-0x0000000075020000-memory.dmp

Filesize
192KB

Download