dridex | 5a80f6b73d02d7d772830940939db7bcaf08cae6b2e7ad4476a5c639595e78d9

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 23:01

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General

Target

JaffaCakes118_5a80f6b73d02d7d772830940939db7bcaf08cae6b2e7ad4476a5c639595e78d9.dll
Size

184KB
MD5

fdf0a93f36c707a7f5327aafa9c5d460
SHA1

8705bc87ba106b591804a937403baa68df5189d8
SHA256

5a80f6b73d02d7d772830940939db7bcaf08cae6b2e7ad4476a5c639595e78d9
SHA512

5da176c9572379d4c1b8394c117736d400c676cab1081fdebe12db9ea84e33aff9d81f2553e975b73d9a06617dc7b84b72213cd001988250176873ad8d179f7c
SSDEEP

3072:riLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoRlzoxss7:riLVCIT4WK2z1W+CUHZj4Skq/eaoPoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/2676-0-0x00000000750D0000-0x00000000750FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	2676	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 2656 wrote to memory of 2676	2656	rundll32.exe	30
PID 2656 wrote to memory of 2676	2656	rundll32.exe	30
PID 2656 wrote to memory of 2676	2656	rundll32.exe	30
PID 2656 wrote to memory of 2676	2656	rundll32.exe	30
PID 2656 wrote to memory of 2676	2656	rundll32.exe	30
PID 2656 wrote to memory of 2676	2656	rundll32.exe	30
PID 2656 wrote to memory of 2676	2656	rundll32.exe	30
PID 2676 wrote to memory of 2800	2676	rundll32.exe	31
PID 2676 wrote to memory of 2800	2676	rundll32.exe	31
PID 2676 wrote to memory of 2800	2676	rundll32.exe	31
PID 2676 wrote to memory of 2800	2676	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a80f6b73d02d7d772830940939db7bcaf08cae6b2e7ad4476a5c639595e78d9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a80f6b73d02d7d772830940939db7bcaf08cae6b2e7ad4476a5c639595e78d9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 220
    3⤵
    - Program crash
    PID:2800

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

Replay Monitor

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Downloads

memory/2676-2-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

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memory/2676-0-0x00000000750D0000-0x00000000750FF000-memory.dmp

Filesize
188KB

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