dridex | 9fb101bf2d5fb6b6c8d016e8a33cc4ec8856f8ae23a55d6c2fe3e6bb2273d390

Analysis

max time kernel
95s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 04:57

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General

Target

JaffaCakes118_9fb101bf2d5fb6b6c8d016e8a33cc4ec8856f8ae23a55d6c2fe3e6bb2273d390.dll
Size

188KB
MD5

18b2fab350a31f21e6dc55d806546b6a
SHA1

9f9265212858c223159554aebeb92f79c6ea3c89
SHA256

9fb101bf2d5fb6b6c8d016e8a33cc4ec8856f8ae23a55d6c2fe3e6bb2273d390
SHA512

c42fadf7c47954b9d6bad168c9d7ad8bd1364aa457017d406552610f7dd5f7c807624a0cd111eaceb06b5f1b3612e9b97621e8d374c0fd1110899742e4f0f443
SSDEEP

3072:WA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoUo:WzIqATVfQeV2FZalKq6jtGJWuTmd

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
behavioral2/memory/4768-0-0x00000000758A0000-0x00000000758D0000-memory.dmp	dridex_ldr
behavioral2/memory/4768-3-0x00000000758A0000-0x00000000758D0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
380	4768	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 4904 wrote to memory of 4768	4904	rundll32.exe	82
PID 4904 wrote to memory of 4768	4904	rundll32.exe	82
PID 4904 wrote to memory of 4768	4904	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fb101bf2d5fb6b6c8d016e8a33cc4ec8856f8ae23a55d6c2fe3e6bb2273d390.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fb101bf2d5fb6b6c8d016e8a33cc4ec8856f8ae23a55d6c2fe3e6bb2273d390.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4768
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 688
    3⤵
    - Program crash
    PID:380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4768 -ip 4768
1⤵
PID:3608

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/4768-0-0x00000000758A0000-0x00000000758D0000-memory.dmp

Filesize
192KB

Download
memory/4768-2-0x00000000012E0000-0x00000000012E6000-memory.dmp

Filesize
24KB

Download
memory/4768-3-0x00000000758A0000-0x00000000758D0000-memory.dmp

Filesize
192KB

Download