dridex | f6cd81768bc99e02293f24a8b44ed8b619662953cfa1300164fbfb30d9df390d

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:46

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General

Target

JaffaCakes118_f6cd81768bc99e02293f24a8b44ed8b619662953cfa1300164fbfb30d9df390d.dll
Size

188KB
MD5

b19d1269ad8119c5ff68ee883fe673b3
SHA1

d29216ba4e446782e7d7e2da73eef3cb6b4594ea
SHA256

f6cd81768bc99e02293f24a8b44ed8b619662953cfa1300164fbfb30d9df390d
SHA512

39582b110addc56f9515ff948c714528ac57448a92eecb1fc01962d898db637061894bca158d0c4bf4babe0903b62e7635bd5f3cb898c0315ce2f028d0ecf54c
SSDEEP

3072:/A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoZo:/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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2080-1-0x0000000074F60000-0x0000000074F90000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2840	2080	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 1620 wrote to memory of 2080	1620	rundll32.exe	30
PID 1620 wrote to memory of 2080	1620	rundll32.exe	30
PID 1620 wrote to memory of 2080	1620	rundll32.exe	30
PID 1620 wrote to memory of 2080	1620	rundll32.exe	30
PID 1620 wrote to memory of 2080	1620	rundll32.exe	30
PID 1620 wrote to memory of 2080	1620	rundll32.exe	30
PID 1620 wrote to memory of 2080	1620	rundll32.exe	30
PID 2080 wrote to memory of 2840	2080	rundll32.exe	31
PID 2080 wrote to memory of 2840	2080	rundll32.exe	31
PID 2080 wrote to memory of 2840	2080	rundll32.exe	31
PID 2080 wrote to memory of 2840	2080	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f6cd81768bc99e02293f24a8b44ed8b619662953cfa1300164fbfb30d9df390d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f6cd81768bc99e02293f24a8b44ed8b619662953cfa1300164fbfb30d9df390d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 300
    3⤵
    - Program crash
    PID:2840

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/2080-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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memory/2080-1-0x0000000074F60000-0x0000000074F90000-memory.dmp

Filesize
192KB

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