dridex | 65a441d4c5caa07f6c2da51bbdda7cf8b693ad18984dc8334de10e0679f7115c

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 00:13

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General

Target

JaffaCakes118_65a441d4c5caa07f6c2da51bbdda7cf8b693ad18984dc8334de10e0679f7115c.dll
Size

188KB
MD5

5057db289c1a2cc0505a4dafa3aededd
SHA1

c3235603ea531b3a379eddedb923ca4958fd9647
SHA256

65a441d4c5caa07f6c2da51bbdda7cf8b693ad18984dc8334de10e0679f7115c
SHA512

6d946c44f4061abafd54c0921c405308908fec084b43b17da95dde8b2a6abef7a6606ac6381b642e3422f4a9eda0e3feb555ac232d62e4347040b0998a718d18
SSDEEP

3072:+A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoAo:+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
behavioral2/memory/2100-0-0x00000000758F0000-0x0000000075920000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1924	2100	WerFault.exe	82

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 3 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 2100	3304	rundll32.exe	82
PID 3304 wrote to memory of 2100	3304	rundll32.exe	82
PID 3304 wrote to memory of 2100	3304	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65a441d4c5caa07f6c2da51bbdda7cf8b693ad18984dc8334de10e0679f7115c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65a441d4c5caa07f6c2da51bbdda7cf8b693ad18984dc8334de10e0679f7115c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 688
    3⤵
    - Program crash
    PID:1924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2100 -ip 2100
1⤵
PID:3504

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/2100-2-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

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memory/2100-0-0x00000000758F0000-0x0000000075920000-memory.dmp

Filesize
192KB

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