dridex | 33cae51d56f744424975954b031d94f7ef4b9a4187fc64964e4cd03b4461bbb7

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 03:07

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General

Target

JaffaCakes118_33cae51d56f744424975954b031d94f7ef4b9a4187fc64964e4cd03b4461bbb7.dll
Size

188KB
MD5

659831e9916dd69c86e8ea04586620a3
SHA1

8a751ae8991c3fb53420f89e7e0af53fe2ef37e2
SHA256

33cae51d56f744424975954b031d94f7ef4b9a4187fc64964e4cd03b4461bbb7
SHA512

2a3ca558c8c9499ae2d855561230cbf6bd167361556c710381d2acc53dd237fc0961fb1d4f69c759a8c9a81dca1cddf054105b5b6948432718827839430b5a22
SSDEEP

3072:cA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoJo:czIqATVfQeV2FZalKq6jtGJWuTmd

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/2424-1-0x00000000750E0000-0x0000000075110000-memory.dmp	dridex_ldr
behavioral1/memory/2424-2-0x00000000750E0000-0x0000000075110000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3020	2424	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 2380 wrote to memory of 2424	2380	rundll32.exe	31
PID 2380 wrote to memory of 2424	2380	rundll32.exe	31
PID 2380 wrote to memory of 2424	2380	rundll32.exe	31
PID 2380 wrote to memory of 2424	2380	rundll32.exe	31
PID 2380 wrote to memory of 2424	2380	rundll32.exe	31
PID 2380 wrote to memory of 2424	2380	rundll32.exe	31
PID 2380 wrote to memory of 2424	2380	rundll32.exe	31
PID 2424 wrote to memory of 3020	2424	rundll32.exe	32
PID 2424 wrote to memory of 3020	2424	rundll32.exe	32
PID 2424 wrote to memory of 3020	2424	rundll32.exe	32
PID 2424 wrote to memory of 3020	2424	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_33cae51d56f744424975954b031d94f7ef4b9a4187fc64964e4cd03b4461bbb7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_33cae51d56f744424975954b031d94f7ef4b9a4187fc64964e4cd03b4461bbb7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 300
    3⤵
    - Program crash
    PID:3020

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/2424-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2424-1-0x00000000750E0000-0x0000000075110000-memory.dmp

Filesize
192KB

Download
memory/2424-2-0x00000000750E0000-0x0000000075110000-memory.dmp

Filesize
192KB

Download
memory/2424-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download