dridex | 41dcd206f8317d60e93f8db0ab2045a912d544ba51bed68da87bc26ac9b349a8

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:11

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General

Target

JaffaCakes118_41dcd206f8317d60e93f8db0ab2045a912d544ba51bed68da87bc26ac9b349a8.dll
Size

188KB
MD5

93626ce7aa0991f26b08553a8a8eca44
SHA1

e1c4eac7dce66cf5f24d0d3a8d0a8db7b0ce4b44
SHA256

41dcd206f8317d60e93f8db0ab2045a912d544ba51bed68da87bc26ac9b349a8
SHA512

ff112dc3fe5f731718e8048b67cf045231a0169e06ecd787689e38ad1eb19312bcdcd9022732423c83551059f3fcdbff4c502525a1a048de989b126b4a26113d
SSDEEP

3072:+A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoqo:+zIqATVfQeV2FZalKq6jtGJWuTmd

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/1620-1-0x00000000745F0000-0x0000000074620000-memory.dmp	dridex_ldr
behavioral1/memory/1620-2-0x00000000745F0000-0x0000000074620000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1892	1620	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 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 1620 wrote to memory of 1892	1620	rundll32.exe	31
PID 1620 wrote to memory of 1892	1620	rundll32.exe	31
PID 1620 wrote to memory of 1892	1620	rundll32.exe	31
PID 1620 wrote to memory of 1892	1620	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41dcd206f8317d60e93f8db0ab2045a912d544ba51bed68da87bc26ac9b349a8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41dcd206f8317d60e93f8db0ab2045a912d544ba51bed68da87bc26ac9b349a8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 300
    3⤵
    - Program crash
    PID:1892

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/1620-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1620-1-0x00000000745F0000-0x0000000074620000-memory.dmp

Filesize
192KB

Download
memory/1620-3-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1620-2-0x00000000745F0000-0x0000000074620000-memory.dmp

Filesize
192KB

Download