dridex | 2f8a4fe609516e698760da86d938aed81c65ae80ea80459e1c46de4232a8adda

Analysis

max time kernel
29s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:43

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General

Target

JaffaCakes118_2f8a4fe609516e698760da86d938aed81c65ae80ea80459e1c46de4232a8adda.dll
Size

188KB
MD5

ed4722e89e57dc79e9afaf4e08591e44
SHA1

955ed8440ed011d4434f46fd46e67c10c631da7a
SHA256

2f8a4fe609516e698760da86d938aed81c65ae80ea80459e1c46de4232a8adda
SHA512

b436c49cf8479001e8a1504b2a4775046c2b1a575133fa4f2b6d3239899e8b6add92683264df316a1d6950c160d04554becd67eff52e3e537adc61852e993d59
SSDEEP

3072:tA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAooo:tzIqATVfQeV2FZalKq6jtGJWuTmd

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2460-1-0x0000000074C90000-0x0000000074CC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2836	2460	WerFault.exe	29

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 2916 wrote to memory of 2460	2916	rundll32.exe	29
PID 2916 wrote to memory of 2460	2916	rundll32.exe	29
PID 2916 wrote to memory of 2460	2916	rundll32.exe	29
PID 2916 wrote to memory of 2460	2916	rundll32.exe	29
PID 2916 wrote to memory of 2460	2916	rundll32.exe	29
PID 2916 wrote to memory of 2460	2916	rundll32.exe	29
PID 2916 wrote to memory of 2460	2916	rundll32.exe	29
PID 2460 wrote to memory of 2836	2460	rundll32.exe	30
PID 2460 wrote to memory of 2836	2460	rundll32.exe	30
PID 2460 wrote to memory of 2836	2460	rundll32.exe	30
PID 2460 wrote to memory of 2836	2460	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f8a4fe609516e698760da86d938aed81c65ae80ea80459e1c46de4232a8adda.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f8a4fe609516e698760da86d938aed81c65ae80ea80459e1c46de4232a8adda.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2460
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 308
    3⤵
    - Program crash
    PID:2836

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/2460-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2460-1-0x0000000074C90000-0x0000000074CC0000-memory.dmp

Filesize
192KB

Download
memory/2460-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download