dridex | 33cb7ff24c8508322887baf6376ad2f7a310622724cb8294b98e747c4b18d5d9

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 10:00

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General

Target

JaffaCakes118_33cb7ff24c8508322887baf6376ad2f7a310622724cb8294b98e747c4b18d5d9.dll
Size

188KB
MD5

668446941a573415e79038927dc17ca0
SHA1

8b9b4779d7b95e4956bceafa40f72d84ab8c4f1b
SHA256

33cb7ff24c8508322887baf6376ad2f7a310622724cb8294b98e747c4b18d5d9
SHA512

5f75e409181319d60c41cb5d1ff863dcf3bf114d2fdc5471cab9c6565e16ba6499127114439e2c228bc2842d28c9867b4f1c843a907a98523f628c5faba18c72
SSDEEP

3072:pA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoxo:pzIqATVfQeV2FZalKq6jtGJWuTmd

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/2300-1-0x0000000075280000-0x00000000752B0000-memory.dmp	dridex_ldr
behavioral1/memory/2300-2-0x0000000075280000-0x00000000752B0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2588	2300	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 956 wrote to memory of 2300	956	rundll32.exe	31
PID 956 wrote to memory of 2300	956	rundll32.exe	31
PID 956 wrote to memory of 2300	956	rundll32.exe	31
PID 956 wrote to memory of 2300	956	rundll32.exe	31
PID 956 wrote to memory of 2300	956	rundll32.exe	31
PID 956 wrote to memory of 2300	956	rundll32.exe	31
PID 956 wrote to memory of 2300	956	rundll32.exe	31
PID 2300 wrote to memory of 2588	2300	rundll32.exe	32
PID 2300 wrote to memory of 2588	2300	rundll32.exe	32
PID 2300 wrote to memory of 2588	2300	rundll32.exe	32
PID 2300 wrote to memory of 2588	2300	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_33cb7ff24c8508322887baf6376ad2f7a310622724cb8294b98e747c4b18d5d9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_33cb7ff24c8508322887baf6376ad2f7a310622724cb8294b98e747c4b18d5d9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 300
    3⤵
    - Program crash
    PID:2588

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/2300-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2300-1-0x0000000075280000-0x00000000752B0000-memory.dmp

Filesize
192KB

Download
memory/2300-2-0x0000000075280000-0x00000000752B0000-memory.dmp

Filesize
192KB

Download
memory/2300-4-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download