dridex | 21bf55ea36368c5ee67f5a2fc6c3ffecacbec8de212aad31dfcd651c7359cbc3

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:12

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General

Target

JaffaCakes118_21bf55ea36368c5ee67f5a2fc6c3ffecacbec8de212aad31dfcd651c7359cbc3.dll
Size

188KB
MD5

545ec1468af73cc173038c674b861f28
SHA1

662c9802be4b5d0594b06760fcb0e19da6bb59ad
SHA256

21bf55ea36368c5ee67f5a2fc6c3ffecacbec8de212aad31dfcd651c7359cbc3
SHA512

7cb34782888e9750db59bedd4781e3303fb659d77fa1b5e067307a8699555d0444cf35a259f0aef0138302bca8421057add52b27c92c7989cf09938b3c259b97
SSDEEP

3072:4A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAozo:4zIqATVfQeV2FZalKq6jtGJWuTmd

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/2132-1-0x0000000074FF0000-0x0000000075020000-memory.dmp	dridex_ldr
behavioral1/memory/2132-2-0x0000000074FF0000-0x0000000075020000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2780	2132	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 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2132 wrote to memory of 2780	2132	rundll32.exe	31
PID 2132 wrote to memory of 2780	2132	rundll32.exe	31
PID 2132 wrote to memory of 2780	2132	rundll32.exe	31
PID 2132 wrote to memory of 2780	2132	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21bf55ea36368c5ee67f5a2fc6c3ffecacbec8de212aad31dfcd651c7359cbc3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21bf55ea36368c5ee67f5a2fc6c3ffecacbec8de212aad31dfcd651c7359cbc3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 300
    3⤵
    - Program crash
    PID:2780

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/2132-0-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/2132-1-0x0000000074FF0000-0x0000000075020000-memory.dmp

Filesize
192KB

Download
memory/2132-2-0x0000000074FF0000-0x0000000075020000-memory.dmp

Filesize
192KB

Download
memory/2132-3-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download