dridex | f39146229d9f28c95e2adc621cd6564be47f2f0244fb2885a3fe69382acd16c8

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:24

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General

Target

JaffaCakes118_f39146229d9f28c95e2adc621cd6564be47f2f0244fb2885a3fe69382acd16c8.dll
Size

188KB
MD5

93ea45c1cdf8128120b8e4a268837bdb
SHA1

e463e6b7c029952e8886090baea85809e31f94cd
SHA256

f39146229d9f28c95e2adc621cd6564be47f2f0244fb2885a3fe69382acd16c8
SHA512

1b05e183a80c74b6ee66801cae46a58781cfbc72602eb34f7c0519377041925dc2b4cc03fbd3e63967f2d6c3f9582ba2c8edebe315aa946ffdf23f5fd67bc5c9
SSDEEP

3072:gA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoUo:gzIqATVfQeV2FZalKq6jtGJWuTmd

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/2024-1-0x00000000750C0000-0x00000000750F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2040	2024	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 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 2024 wrote to memory of 2040	2024	rundll32.exe	32
PID 2024 wrote to memory of 2040	2024	rundll32.exe	32
PID 2024 wrote to memory of 2040	2024	rundll32.exe	32
PID 2024 wrote to memory of 2040	2024	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f39146229d9f28c95e2adc621cd6564be47f2f0244fb2885a3fe69382acd16c8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f39146229d9f28c95e2adc621cd6564be47f2f0244fb2885a3fe69382acd16c8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2024
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 300
    3⤵
    - Program crash
    PID:2040

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/2024-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2024-1-0x00000000750C0000-0x00000000750F0000-memory.dmp

Filesize
192KB

Download
memory/2024-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download