dridex | 9fee4cf23bb78d576318462e57e8589076f4f131ead8a36b80d6a5cb86457531

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:28

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General

Target

JaffaCakes118_9fee4cf23bb78d576318462e57e8589076f4f131ead8a36b80d6a5cb86457531.dll
Size

188KB
MD5

fad4d7ec93040af699faaf65dcd45c8e
SHA1

56f99dcf3a831aae3c53b71714ec642eed206786
SHA256

9fee4cf23bb78d576318462e57e8589076f4f131ead8a36b80d6a5cb86457531
SHA512

93ce0b83630e019a979e5ccb1b294178b7d8969205e1c86ee05b3f652017563a3de9132f5f190fe43ec1c08cdd7d5ce564715fe473528a933c5281ed7aee495c
SSDEEP

3072:eteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzL9qM:Wq7fYIHBZkTB6DWruUCOwjt

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/2404-1-0x00000000752A0000-0x00000000752D0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2612	2404	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 1504 wrote to memory of 2404	1504	rundll32.exe	30
PID 1504 wrote to memory of 2404	1504	rundll32.exe	30
PID 1504 wrote to memory of 2404	1504	rundll32.exe	30
PID 1504 wrote to memory of 2404	1504	rundll32.exe	30
PID 1504 wrote to memory of 2404	1504	rundll32.exe	30
PID 1504 wrote to memory of 2404	1504	rundll32.exe	30
PID 1504 wrote to memory of 2404	1504	rundll32.exe	30
PID 2404 wrote to memory of 2612	2404	rundll32.exe	31
PID 2404 wrote to memory of 2612	2404	rundll32.exe	31
PID 2404 wrote to memory of 2612	2404	rundll32.exe	31
PID 2404 wrote to memory of 2612	2404	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fee4cf23bb78d576318462e57e8589076f4f131ead8a36b80d6a5cb86457531.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fee4cf23bb78d576318462e57e8589076f4f131ead8a36b80d6a5cb86457531.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2404
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 300
    3⤵
    - Program crash
    PID:2612

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/2404-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2404-1-0x00000000752A0000-0x00000000752D0000-memory.dmp

Filesize
192KB

Download
memory/2404-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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