dridex | b20f59b31270dc6137eaa1fa597475c75b521eb75bc01765f06d480c39c52170

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:43

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General

Target

JaffaCakes118_b20f59b31270dc6137eaa1fa597475c75b521eb75bc01765f06d480c39c52170.dll
Size

188KB
MD5

595111acdd11657428d47098495c2136
SHA1

49940d10bcb3c0ed40a60ee8f51ec5871d1c367a
SHA256

b20f59b31270dc6137eaa1fa597475c75b521eb75bc01765f06d480c39c52170
SHA512

7b69e229998849219c7cf241eb3d2c0e9dee29e09fb44ceeeef162f2f860185de3102d71c707c24c040d0e452de2d1963105cfd9f116b124fb6316b458acc42d
SSDEEP

3072:uJteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzy9qM:uFq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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
behavioral1/memory/536-1-0x0000000074640000-0x0000000074670000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2384	536	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 2160 wrote to memory of 536	2160	rundll32.exe	30
PID 2160 wrote to memory of 536	2160	rundll32.exe	30
PID 2160 wrote to memory of 536	2160	rundll32.exe	30
PID 2160 wrote to memory of 536	2160	rundll32.exe	30
PID 2160 wrote to memory of 536	2160	rundll32.exe	30
PID 2160 wrote to memory of 536	2160	rundll32.exe	30
PID 2160 wrote to memory of 536	2160	rundll32.exe	30
PID 536 wrote to memory of 2384	536	rundll32.exe	32
PID 536 wrote to memory of 2384	536	rundll32.exe	32
PID 536 wrote to memory of 2384	536	rundll32.exe	32
PID 536 wrote to memory of 2384	536	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b20f59b31270dc6137eaa1fa597475c75b521eb75bc01765f06d480c39c52170.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b20f59b31270dc6137eaa1fa597475c75b521eb75bc01765f06d480c39c52170.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 300
    3⤵
    - Program crash
    PID:2384

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/536-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/536-1-0x0000000074640000-0x0000000074670000-memory.dmp

Filesize
192KB

Download
memory/536-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download