dridex | e66f3a7c376834452324656814a27434004f85c8e1ab0b65aeee1539f9e98a43

Analysis

max time kernel
92s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 10:47

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General

Target

JaffaCakes118_e66f3a7c376834452324656814a27434004f85c8e1ab0b65aeee1539f9e98a43.dll
Size

184KB
MD5

ee3a63487303a48c05676e6b7ae773d5
SHA1

d164205ec2d3b14073428b67786cb375b7d6fa35
SHA256

e66f3a7c376834452324656814a27434004f85c8e1ab0b65aeee1539f9e98a43
SHA512

66150ee2f65a34f2cf42ff56b7a374e05b5155cca632877ed20f885e704b5183bbfbd8491a1c827d0731fd0ee74cc990b0463ab0a056a3dd22ba24f9dcfd9054
SSDEEP

3072:4JQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JLa//2uFrSc:VfYOX+wTScR/Xzku9LVw0uG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/2884-1-0x0000000075400000-0x000000007542F000-memory.dmp	dridex_ldr
behavioral2/memory/2884-2-0x0000000075400000-0x000000007542F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3516	2884	WerFault.exe	82

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 3 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 2884	3548	rundll32.exe	82
PID 3548 wrote to memory of 2884	3548	rundll32.exe	82
PID 3548 wrote to memory of 2884	3548	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e66f3a7c376834452324656814a27434004f85c8e1ab0b65aeee1539f9e98a43.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e66f3a7c376834452324656814a27434004f85c8e1ab0b65aeee1539f9e98a43.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 620
    3⤵
    - Program crash
    PID:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2884 -ip 2884
1⤵
PID:3536

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

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Downloads

memory/2884-0-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/2884-1-0x0000000075400000-0x000000007542F000-memory.dmp

Filesize
188KB

Download
memory/2884-3-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/2884-2-0x0000000075400000-0x000000007542F000-memory.dmp

Filesize
188KB

Download