dridex | 4fcebe9f66025abfa92465f14b6b2158cd9927cc8eba852316e10b572e0136ec

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:56

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General

Target

JaffaCakes118_4fcebe9f66025abfa92465f14b6b2158cd9927cc8eba852316e10b572e0136ec.dll
Size

188KB
MD5

5027f558d49eb4fa7eb5532664cfb7b3
SHA1

238df7823bdda20783b2db3277562a1f5667191c
SHA256

4fcebe9f66025abfa92465f14b6b2158cd9927cc8eba852316e10b572e0136ec
SHA512

f21cbd11b971c2ffefa5cca475e6ade2f3d45fa2e603eb9aa6f8339cb6d1807a2f19007fa0e16aacd2c62d5a1c6c98a4991977a34d5b4ed91326278e20514042
SSDEEP

3072:9A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoEo:9zIqATVfQeV2FZalKq6jtGJWuTmd

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/2340-1-0x0000000074AC0000-0x0000000074AF0000-memory.dmp	dridex_ldr
behavioral1/memory/2340-2-0x0000000074AC0000-0x0000000074AF0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2200	2340	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 2324 wrote to memory of 2340	2324	rundll32.exe	31
PID 2324 wrote to memory of 2340	2324	rundll32.exe	31
PID 2324 wrote to memory of 2340	2324	rundll32.exe	31
PID 2324 wrote to memory of 2340	2324	rundll32.exe	31
PID 2324 wrote to memory of 2340	2324	rundll32.exe	31
PID 2324 wrote to memory of 2340	2324	rundll32.exe	31
PID 2324 wrote to memory of 2340	2324	rundll32.exe	31
PID 2340 wrote to memory of 2200	2340	rundll32.exe	32
PID 2340 wrote to memory of 2200	2340	rundll32.exe	32
PID 2340 wrote to memory of 2200	2340	rundll32.exe	32
PID 2340 wrote to memory of 2200	2340	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4fcebe9f66025abfa92465f14b6b2158cd9927cc8eba852316e10b572e0136ec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4fcebe9f66025abfa92465f14b6b2158cd9927cc8eba852316e10b572e0136ec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 300
    3⤵
    - Program crash
    PID:2200

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/2340-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2340-1-0x0000000074AC0000-0x0000000074AF0000-memory.dmp

Filesize
192KB

Download
memory/2340-3-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2340-2-0x0000000074AC0000-0x0000000074AF0000-memory.dmp

Filesize
192KB

Download