dridex | 455a4cd25263e66a05dabdb704a7f3f32d8147515e50e085e7346d0d3df801be

Analysis

max time kernel
93s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 21:36

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General

Target

JaffaCakes118_455a4cd25263e66a05dabdb704a7f3f32d8147515e50e085e7346d0d3df801be.dll
Size

161KB
MD5

2e741245758973207ed8f3619095b48e
SHA1

74772ffb34586d8611c86d3c17efe40db9eb087d
SHA256

455a4cd25263e66a05dabdb704a7f3f32d8147515e50e085e7346d0d3df801be
SHA512

656bd074d05d2bfe7db28d9fd3dca41a8de6f503d7060c7754facea9ba3060c08b6cfb1adfab30cd7cba3f44fcaf52371d382796a93f4f8fe8eefa2026223aca
SSDEEP

3072:zaSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2BGkFY:OnS62Fl+pkeJl3CvRStrFl+EYE

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/3536-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral2/memory/3536-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4108	3536	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 3364 wrote to memory of 3536	3364	rundll32.exe	83
PID 3364 wrote to memory of 3536	3364	rundll32.exe	83
PID 3364 wrote to memory of 3536	3364	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_455a4cd25263e66a05dabdb704a7f3f32d8147515e50e085e7346d0d3df801be.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_455a4cd25263e66a05dabdb704a7f3f32d8147515e50e085e7346d0d3df801be.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 712
    3⤵
    - Program crash
    PID:4108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3536 -ip 3536
1⤵
PID:3924

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/3536-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/3536-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3536-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download