dridex | f332eee9d3737d09d58c4675181498669638d8e737a38205badbe8d9be79718b

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:12

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General

Target

JaffaCakes118_f332eee9d3737d09d58c4675181498669638d8e737a38205badbe8d9be79718b.dll
Size

188KB
MD5

3867a10af79e6e011583ec4258dd7044
SHA1

66aa18cf65546a454cadb0940b785edeb9429856
SHA256

f332eee9d3737d09d58c4675181498669638d8e737a38205badbe8d9be79718b
SHA512

329754974e8f8fccddec449ccd0b79ca0110b5b9d365abf5bc4813ce4df09cdb91193a0c37e5f9da85451a07489b8531cbd0d5e680f68964fdcba44a0b5729b0
SSDEEP

3072:cA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoPo:czIqATVfQeV2FZalKq6jtGJWuTmd

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
behavioral1/memory/2672-1-0x0000000074FF0000-0x0000000075020000-memory.dmp	dridex_ldr
behavioral1/memory/2672-2-0x0000000074FF0000-0x0000000075020000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	2672	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 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2188 wrote to memory of 2672	2188	rundll32.exe	30
PID 2672 wrote to memory of 2728	2672	rundll32.exe	31
PID 2672 wrote to memory of 2728	2672	rundll32.exe	31
PID 2672 wrote to memory of 2728	2672	rundll32.exe	31
PID 2672 wrote to memory of 2728	2672	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f332eee9d3737d09d58c4675181498669638d8e737a38205badbe8d9be79718b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f332eee9d3737d09d58c4675181498669638d8e737a38205badbe8d9be79718b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 300
    3⤵
    - Program crash
    PID:2728

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/2672-0-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2672-1-0x0000000074FF0000-0x0000000075020000-memory.dmp

Filesize
192KB

Download
memory/2672-3-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2672-2-0x0000000074FF0000-0x0000000075020000-memory.dmp

Filesize
192KB

Download