dridex | 35b2ef49b749e4252cf035f1a374cc0edd065418ba8c4b1c90e3fa4379f0e1fb

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/12/2024, 18:42

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_35b2ef49b749e4252cf035f1a374cc0edd065418ba8c4b1c90e3fa4379f0e1fb.dll
Size

161KB
MD5

ea30c8cc8525b224857019c71db5c990
SHA1

7da86dd6aa22f27ccb67cb4084c617262228175f
SHA256

35b2ef49b749e4252cf035f1a374cc0edd065418ba8c4b1c90e3fa4379f0e1fb
SHA512

571d6cecc616fc96a775b04cf33c6b8878bc12325ed4d73e05bb6c8beac25723882e1df2807f404a828a7e15721ecf1244c5e9b0ea152b1cf7bd33f7e3eaae91
SSDEEP

3072:aWSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2NGkFY:nnS62Fl+pkeJl3CvRStrFl+EYg

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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
behavioral1/memory/3020-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/3020-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2196	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 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 3020 wrote to memory of 2196	3020	rundll32.exe	31
PID 3020 wrote to memory of 2196	3020	rundll32.exe	31
PID 3020 wrote to memory of 2196	3020	rundll32.exe	31
PID 3020 wrote to memory of 2196	3020	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35b2ef49b749e4252cf035f1a374cc0edd065418ba8c4b1c90e3fa4379f0e1fb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35b2ef49b749e4252cf035f1a374cc0edd065418ba8c4b1c90e3fa4379f0e1fb.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 256
    3⤵
    - Program crash
    PID:2196

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

Loading Replay Monitor...

Downloads

memory/3020-0-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/3020-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/3020-3-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/3020-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download