dridex | 4cea4b768fbf1b38b2c91418f9ba258c257895e2d9bcd0d0a1455bd30d876c37

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 08:02

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General

Target

JaffaCakes118_4cea4b768fbf1b38b2c91418f9ba258c257895e2d9bcd0d0a1455bd30d876c37.dll
Size

184KB
MD5

5bc897b6d4a5869362ade546d12a643d
SHA1

b9570f39d8e4e17a0d3f3a03b490541921f80205
SHA256

4cea4b768fbf1b38b2c91418f9ba258c257895e2d9bcd0d0a1455bd30d876c37
SHA512

aa693d00fd9d33e0ef993325e960e17c01f7512ffad2959c1b26589071ab9aedb2797fec2be6236d5f09342a531dc82389e8a43fcb0584c5904baa14e88524d0
SSDEEP

3072:OiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoulzoxss7:OiLVCIT4WK2z1W+CUHZj4Skq/eaosoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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
behavioral2/memory/404-1-0x0000000074940000-0x000000007496F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3312	404	WerFault.exe	86

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 4448 wrote to memory of 404	4448	rundll32.exe	86
PID 4448 wrote to memory of 404	4448	rundll32.exe	86
PID 4448 wrote to memory of 404	4448	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4cea4b768fbf1b38b2c91418f9ba258c257895e2d9bcd0d0a1455bd30d876c37.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4cea4b768fbf1b38b2c91418f9ba258c257895e2d9bcd0d0a1455bd30d876c37.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:404
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 404 -s 616
    3⤵
    - Program crash
    PID:3312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 404 -ip 404
1⤵
PID:400

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/404-0-0x0000000000F10000-0x0000000000F16000-memory.dmp

Filesize
24KB

Download
memory/404-1-0x0000000074940000-0x000000007496F000-memory.dmp

Filesize
188KB

Download
memory/404-3-0x0000000000F10000-0x0000000000F16000-memory.dmp

Filesize
24KB

Download