dridex | 08b61cc8b54e895d01bb665d33eb89a0c587e2c7c5c6a7b4b052b0702b6d7616

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 21:46

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General

Target

JaffaCakes118_08b61cc8b54e895d01bb665d33eb89a0c587e2c7c5c6a7b4b052b0702b6d7616.dll
Size

188KB
MD5

3aa9454ed76c077381d7f1785a095280
SHA1

ff51e7f1887d68473e1d962a4af5074fd634b657
SHA256

08b61cc8b54e895d01bb665d33eb89a0c587e2c7c5c6a7b4b052b0702b6d7616
SHA512

3aef17b48419b815877bdc5c45782e1829de20601a59c2537190ca0b225c8f13be635148b000cd8bab2b56e1e990a9c55243c8a65388e826a24bc245bb6d6642
SSDEEP

3072:qA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo4o:qzIqATVfQeV2FZalKq6jtGJWuTmd

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/1804-1-0x0000000075220000-0x0000000075250000-memory.dmp	dridex_ldr
behavioral1/memory/1804-2-0x0000000075220000-0x0000000075250000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2808	1804	WerFault.exe	31

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 2148 wrote to memory of 1804	2148	rundll32.exe	31
PID 2148 wrote to memory of 1804	2148	rundll32.exe	31
PID 2148 wrote to memory of 1804	2148	rundll32.exe	31
PID 2148 wrote to memory of 1804	2148	rundll32.exe	31
PID 2148 wrote to memory of 1804	2148	rundll32.exe	31
PID 2148 wrote to memory of 1804	2148	rundll32.exe	31
PID 2148 wrote to memory of 1804	2148	rundll32.exe	31
PID 1804 wrote to memory of 2808	1804	rundll32.exe	32
PID 1804 wrote to memory of 2808	1804	rundll32.exe	32
PID 1804 wrote to memory of 2808	1804	rundll32.exe	32
PID 1804 wrote to memory of 2808	1804	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_08b61cc8b54e895d01bb665d33eb89a0c587e2c7c5c6a7b4b052b0702b6d7616.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_08b61cc8b54e895d01bb665d33eb89a0c587e2c7c5c6a7b4b052b0702b6d7616.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 300
    3⤵
    - Program crash
    PID:2808

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/1804-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1804-1-0x0000000075220000-0x0000000075250000-memory.dmp

Filesize
192KB

Download
memory/1804-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1804-2-0x0000000075220000-0x0000000075250000-memory.dmp

Filesize
192KB

Download