dridex | a3b7f2675dd74c2be79e4e807e74e29a57ac27e96f6cd4bfcb07886bc3898ada

Analysis

max time kernel
90s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:53

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General

Target

JaffaCakes118_a3b7f2675dd74c2be79e4e807e74e29a57ac27e96f6cd4bfcb07886bc3898ada.dll
Size

161KB
MD5

7439d3e231e3c1db231e0fa1c31d38fb
SHA1

f393161656940c96994131f528f28f929337818c
SHA256

a3b7f2675dd74c2be79e4e807e74e29a57ac27e96f6cd4bfcb07886bc3898ada
SHA512

0940e125096f2a050b2a010f990491d74ec39b88a9e85a2086303f4b73632f47599c6787fc9bfe5d8b06a7b639aeff7e341408a76d43f226751ef2bc04d1f886
SSDEEP

3072:gWSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2NGkFY:1nS62Fl+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/2532-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2532-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	2532	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 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2532 wrote to memory of 2756	2532	rundll32.exe	31
PID 2532 wrote to memory of 2756	2532	rundll32.exe	31
PID 2532 wrote to memory of 2756	2532	rundll32.exe	31
PID 2532 wrote to memory of 2756	2532	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3b7f2675dd74c2be79e4e807e74e29a57ac27e96f6cd4bfcb07886bc3898ada.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3b7f2675dd74c2be79e4e807e74e29a57ac27e96f6cd4bfcb07886bc3898ada.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 256
    3⤵
    - Program crash
    PID:2756

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/2532-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2532-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2532-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2532-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download