dridex | 4e44dc983bf4ac2606de82c5232dc5851bc8e98830aee1ecb3f384a46f01391d

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 23:51

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General

Target

JaffaCakes118_4e44dc983bf4ac2606de82c5232dc5851bc8e98830aee1ecb3f384a46f01391d.dll
Size

188KB
MD5

e77df0b780ec6540993792ec103c6ff2
SHA1

06954030b9db84678178635ca74ecfcc3c72c2c0
SHA256

4e44dc983bf4ac2606de82c5232dc5851bc8e98830aee1ecb3f384a46f01391d
SHA512

f71817f6a5166c8bdd8ffa5e061c6acd9349236b4efa7dc1e65a4fb0b37a16f432cd77642092abff84dce11cf441d6033b8abbaeea2ab947ceaaf72eb4476145
SSDEEP

3072:VA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAolo:VzIqATVfQeV2FZalKq6jtGJWuTmd

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
behavioral2/memory/4480-1-0x0000000074AB0000-0x0000000074AE0000-memory.dmp	dridex_ldr
behavioral2/memory/4480-2-0x0000000074AB0000-0x0000000074AE0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3868	4480	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 4480	4540	rundll32.exe	83
PID 4540 wrote to memory of 4480	4540	rundll32.exe	83
PID 4540 wrote to memory of 4480	4540	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e44dc983bf4ac2606de82c5232dc5851bc8e98830aee1ecb3f384a46f01391d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e44dc983bf4ac2606de82c5232dc5851bc8e98830aee1ecb3f384a46f01391d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4480
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 688
    3⤵
    - Program crash
    PID:3868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4480 -ip 4480
1⤵
PID:1712

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/4480-0-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download
memory/4480-1-0x0000000074AB0000-0x0000000074AE0000-memory.dmp

Filesize
192KB

Download
memory/4480-2-0x0000000074AB0000-0x0000000074AE0000-memory.dmp

Filesize
192KB

Download
memory/4480-3-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download