dridex | a3d35709e0a15fe6b2ccc87be254e849c5a46e8f20df22250a14524bdbf95b11

Analysis

max time kernel
94s
max time network
144s
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, 22:44

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General

Target

JaffaCakes118_a3d35709e0a15fe6b2ccc87be254e849c5a46e8f20df22250a14524bdbf95b11.dll
Size

188KB
MD5

e110319ea8b5f61f09bd18ac2427c146
SHA1

e8b4512e48e230d7fe82f428cb8f6be180ba76e0
SHA256

a3d35709e0a15fe6b2ccc87be254e849c5a46e8f20df22250a14524bdbf95b11
SHA512

274843fb66c062ac0e82bcbdd6fb5341963decdf21561b364c3c850b6bf93f09800c8fe6e19706bfedd0a95c14d34d10cb89f226e929706daf0ec4913a2cb716
SSDEEP

3072:UA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoio:UzIqATVfQeV2FZalKq6jtGJWuTmd

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/3868-1-0x0000000075260000-0x0000000075290000-memory.dmp	dridex_ldr
behavioral2/memory/3868-2-0x0000000075260000-0x0000000075290000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3796	3868	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 3508 wrote to memory of 3868	3508	rundll32.exe	83
PID 3508 wrote to memory of 3868	3508	rundll32.exe	83
PID 3508 wrote to memory of 3868	3508	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3d35709e0a15fe6b2ccc87be254e849c5a46e8f20df22250a14524bdbf95b11.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3d35709e0a15fe6b2ccc87be254e849c5a46e8f20df22250a14524bdbf95b11.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 688
    3⤵
    - Program crash
    PID:3796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3868 -ip 3868
1⤵
PID:3384

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/3868-0-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/3868-1-0x0000000075260000-0x0000000075290000-memory.dmp

Filesize
192KB

Download
memory/3868-2-0x0000000075260000-0x0000000075290000-memory.dmp

Filesize
192KB

Download
memory/3868-3-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download