dridex | 91096734b3667faf0e550e76327ae65a485dc85bc5f515677c0d6851dfa26e44

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 21:55

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General

Target

JaffaCakes118_91096734b3667faf0e550e76327ae65a485dc85bc5f515677c0d6851dfa26e44.dll
Size

184KB
MD5

08b9a9c061d0bf38099f0c067e36ed1f
SHA1

93c4dfef4830adbd935a60df97dcbf15b419cf90
SHA256

91096734b3667faf0e550e76327ae65a485dc85bc5f515677c0d6851dfa26e44
SHA512

c0c09a85418457bd8721f2a07faf0f6cbd52a81946308dfe7761bb83db4016fe6648264876d72dcafd977fe46a5bfacd962aae79d49e47690448b28e41e39848
SSDEEP

3072:IiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaodlzoxss7:IiLVCIT4WK2z1W+CUHZj4Skq/eaozoC

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/3020-1-0x0000000074C80000-0x0000000074CAF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2200	3020	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 2932 wrote to memory of 3020	2932	rundll32.exe	30
PID 2932 wrote to memory of 3020	2932	rundll32.exe	30
PID 2932 wrote to memory of 3020	2932	rundll32.exe	30
PID 2932 wrote to memory of 3020	2932	rundll32.exe	30
PID 2932 wrote to memory of 3020	2932	rundll32.exe	30
PID 2932 wrote to memory of 3020	2932	rundll32.exe	30
PID 2932 wrote to memory of 3020	2932	rundll32.exe	30
PID 3020 wrote to memory of 2200	3020	rundll32.exe	31
PID 3020 wrote to memory of 2200	3020	rundll32.exe	31
PID 3020 wrote to memory of 2200	3020	rundll32.exe	31
PID 3020 wrote to memory of 2200	3020	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91096734b3667faf0e550e76327ae65a485dc85bc5f515677c0d6851dfa26e44.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91096734b3667faf0e550e76327ae65a485dc85bc5f515677c0d6851dfa26e44.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 220
    3⤵
    - Program crash
    PID:2200

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/3020-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/3020-1-0x0000000074C80000-0x0000000074CAF000-memory.dmp

Filesize
188KB

Download
memory/3020-4-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download