dridex | a23cc91ba102f4840c7d1ffd0cea6ad54f18c08037e061e9a9465c630324fa69

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:33

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General

Target

JaffaCakes118_a23cc91ba102f4840c7d1ffd0cea6ad54f18c08037e061e9a9465c630324fa69.dll
Size

188KB
MD5

2311533a1e0a5dd10db6b17e1603818c
SHA1

396943147d9a9beeedc2705c211d4afddaf2441f
SHA256

a23cc91ba102f4840c7d1ffd0cea6ad54f18c08037e061e9a9465c630324fa69
SHA512

72a4731cf2612a1df79c9285e67735d63409fc9138de48d314713ae604230fea7b873acb6d4638956f7ede9069df8fd6a800e09287f328933f9f160365bc924a
SSDEEP

3072:9A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoUo:9zIqATVfQeV2FZalKq6jtGJWuTmd

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/2428-1-0x00000000749E0000-0x0000000074A10000-memory.dmp	dridex_ldr
behavioral1/memory/2428-2-0x00000000749E0000-0x0000000074A10000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1744	2428	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 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 2428 wrote to memory of 1744	2428	rundll32.exe	32
PID 2428 wrote to memory of 1744	2428	rundll32.exe	32
PID 2428 wrote to memory of 1744	2428	rundll32.exe	32
PID 2428 wrote to memory of 1744	2428	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a23cc91ba102f4840c7d1ffd0cea6ad54f18c08037e061e9a9465c630324fa69.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a23cc91ba102f4840c7d1ffd0cea6ad54f18c08037e061e9a9465c630324fa69.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 300
    3⤵
    - Program crash
    PID:1744

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/2428-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2428-1-0x00000000749E0000-0x0000000074A10000-memory.dmp

Filesize
192KB

Download
memory/2428-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2428-2-0x00000000749E0000-0x0000000074A10000-memory.dmp

Filesize
192KB

Download