dridex | e21765296ab76e23796d77e290b7b69b84c1a9548fc12afe026da292354c1e02

Analysis

max time kernel
122s
max time network
151s
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 22:07

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General

Target

JaffaCakes118_e21765296ab76e23796d77e290b7b69b84c1a9548fc12afe026da292354c1e02.dll
Size

204KB
MD5

f4c9fb9e27edbda840090b9c58cc56f8
SHA1

5889076814aec8278147545da4ed8c088d268992
SHA256

e21765296ab76e23796d77e290b7b69b84c1a9548fc12afe026da292354c1e02
SHA512

0ba83f9b2c8bb7e61cf267a33399291ff0c356bc86ae81f1b50b5550f1d3d5c18b3fe953e7711538e7ddafee4d3766a598fcc1cdd991c59654a826770f5588d0
SSDEEP

3072:R6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:RZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

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/2336-1-0x00000000756E0000-0x0000000075715000-memory.dmp	dridex_ldr
behavioral2/memory/2336-4-0x00000000756E0000-0x0000000075715000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

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 1620 wrote to memory of 2336	1620	rundll32.exe	82
PID 1620 wrote to memory of 2336	1620	rundll32.exe	82
PID 1620 wrote to memory of 2336	1620	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e21765296ab76e23796d77e290b7b69b84c1a9548fc12afe026da292354c1e02.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e21765296ab76e23796d77e290b7b69b84c1a9548fc12afe026da292354c1e02.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2336-0-0x0000000000F50000-0x0000000000F56000-memory.dmp

Filesize
24KB

Download
memory/2336-1-0x00000000756E0000-0x0000000075715000-memory.dmp

Filesize
212KB

Download
memory/2336-3-0x0000000000F50000-0x0000000000F56000-memory.dmp

Filesize
24KB

Download
memory/2336-4-0x00000000756E0000-0x0000000075715000-memory.dmp

Filesize
212KB

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