dridex | aa20fc658a291fa6f2d87451fb6a4dabfee750917cb2ee01ed7a3e80644a3f5b

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:41

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General

Target

JaffaCakes118_aa20fc658a291fa6f2d87451fb6a4dabfee750917cb2ee01ed7a3e80644a3f5b.dll
Size

188KB
MD5

d71755046115de9a77d768569cb3ab48
SHA1

c53e7c241a6d33c8243ca4a84931a39808416957
SHA256

aa20fc658a291fa6f2d87451fb6a4dabfee750917cb2ee01ed7a3e80644a3f5b
SHA512

cf0939d017242261ceaed33d02ab6394ee19888f24e27ff6316938c92666e0dd50894d484ad4f337e84f3f8a39d30a489a7b7601c96c2bc7e0e45cb1eb506c46
SSDEEP

3072:nA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAobo:nzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/1980-0-0x0000000075110000-0x0000000075140000-memory.dmp	dridex_ldr
behavioral1/memory/1980-3-0x0000000075110000-0x0000000075140000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1940	1980	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 2444 wrote to memory of 1980	2444	rundll32.exe	30
PID 2444 wrote to memory of 1980	2444	rundll32.exe	30
PID 2444 wrote to memory of 1980	2444	rundll32.exe	30
PID 2444 wrote to memory of 1980	2444	rundll32.exe	30
PID 2444 wrote to memory of 1980	2444	rundll32.exe	30
PID 2444 wrote to memory of 1980	2444	rundll32.exe	30
PID 2444 wrote to memory of 1980	2444	rundll32.exe	30
PID 1980 wrote to memory of 1940	1980	rundll32.exe	31
PID 1980 wrote to memory of 1940	1980	rundll32.exe	31
PID 1980 wrote to memory of 1940	1980	rundll32.exe	31
PID 1980 wrote to memory of 1940	1980	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa20fc658a291fa6f2d87451fb6a4dabfee750917cb2ee01ed7a3e80644a3f5b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa20fc658a291fa6f2d87451fb6a4dabfee750917cb2ee01ed7a3e80644a3f5b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 300
    3⤵
    - Program crash
    PID:1940

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/1980-2-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1980-0-0x0000000075110000-0x0000000075140000-memory.dmp

Filesize
192KB

Download
memory/1980-3-0x0000000075110000-0x0000000075140000-memory.dmp

Filesize
192KB

Download