dridex | bf7c362ad84dfa08cff116ca012639e13983f42e783b7798aa9cce3c37c0fcc9

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
23/12/2024, 22:01

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General

Target

JaffaCakes118_bf7c362ad84dfa08cff116ca012639e13983f42e783b7798aa9cce3c37c0fcc9.dll
Size

188KB
MD5

cd5dde7121985895da37f896dd180ee0
SHA1

615c6b6a28cf347433e44cb519256b9e4b0d33f9
SHA256

bf7c362ad84dfa08cff116ca012639e13983f42e783b7798aa9cce3c37c0fcc9
SHA512

1e0d6861cfb2266b0e69fe5e2f0712e1d91f9433bcc42ce245b9edf408afece1ae103df59b138a5dabd43d15f792b05e7cac8ac229baa1563c3c9e84d0ffc997
SSDEEP

3072:+A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAowo:+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/2528-1-0x0000000075190000-0x00000000751C0000-memory.dmp	dridex_ldr
behavioral1/memory/2528-2-0x0000000075190000-0x00000000751C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2548	2528	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 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2528 wrote to memory of 2548	2528	rundll32.exe	32
PID 2528 wrote to memory of 2548	2528	rundll32.exe	32
PID 2528 wrote to memory of 2548	2528	rundll32.exe	32
PID 2528 wrote to memory of 2548	2528	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf7c362ad84dfa08cff116ca012639e13983f42e783b7798aa9cce3c37c0fcc9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf7c362ad84dfa08cff116ca012639e13983f42e783b7798aa9cce3c37c0fcc9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 300
    3⤵
    - Program crash
    PID:2548

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/2528-0-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2528-1-0x0000000075190000-0x00000000751C0000-memory.dmp

Filesize
192KB

Download
memory/2528-2-0x0000000075190000-0x00000000751C0000-memory.dmp

Filesize
192KB

Download
memory/2528-3-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download