dridex | 424b81b6eab1f7df863c5b3930836a1a7b413d8cd969f6d1fcb1a19e94b2a993

Analysis

max time kernel
26s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 11:39

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General

Target

JaffaCakes118_424b81b6eab1f7df863c5b3930836a1a7b413d8cd969f6d1fcb1a19e94b2a993.dll
Size

161KB
MD5

29f38a6d8e56413b662bef5093124b5c
SHA1

3bad7d1c1c3364343b68fc3363d3e0655b143b5b
SHA256

424b81b6eab1f7df863c5b3930836a1a7b413d8cd969f6d1fcb1a19e94b2a993
SHA512

1686057565b469e8d174787f62740702f5ae3e97b72c9cbb6755a1383d0efb27253dd9e7866fdf6f43817b7b0fe58de19cced7573b4ce08e90b9b10b68906220
SSDEEP

3072:ojSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd28GkFY:YnS62Fl+pkeJl3CvRStrFl+EYN

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/2448-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2448-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2952	2448	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 2248 wrote to memory of 2448	2248	rundll32.exe	30
PID 2248 wrote to memory of 2448	2248	rundll32.exe	30
PID 2248 wrote to memory of 2448	2248	rundll32.exe	30
PID 2248 wrote to memory of 2448	2248	rundll32.exe	30
PID 2248 wrote to memory of 2448	2248	rundll32.exe	30
PID 2248 wrote to memory of 2448	2248	rundll32.exe	30
PID 2248 wrote to memory of 2448	2248	rundll32.exe	30
PID 2448 wrote to memory of 2952	2448	rundll32.exe	31
PID 2448 wrote to memory of 2952	2448	rundll32.exe	31
PID 2448 wrote to memory of 2952	2448	rundll32.exe	31
PID 2448 wrote to memory of 2952	2448	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_424b81b6eab1f7df863c5b3930836a1a7b413d8cd969f6d1fcb1a19e94b2a993.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_424b81b6eab1f7df863c5b3930836a1a7b413d8cd969f6d1fcb1a19e94b2a993.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 264
    3⤵
    - Program crash
    PID:2952

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/2448-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2448-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2448-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2448-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download