dridex | 39fc7a5cb0c2be39257e03983edfe9810563b11cb94b084c2b47de16e338cf37

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 17:25

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General

Target

JaffaCakes118_39fc7a5cb0c2be39257e03983edfe9810563b11cb94b084c2b47de16e338cf37.dll
Size

184KB
MD5

6729aa0dc70e02946c7156b3b6e782e5
SHA1

2e586752257823cfc447455b644424e862068163
SHA256

39fc7a5cb0c2be39257e03983edfe9810563b11cb94b084c2b47de16e338cf37
SHA512

4bd38b4b35093865f79951c8fbe81e379584d435cf9136bafcad4519f41c2547209d2e8e05ef2c8ea2e047a69efecdcb3ac06bba071ce20fe979f54fd17e993a
SSDEEP

3072:pJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JXa//2uFrSc:KfYOX+wTScR/Xzku9LVwIuG

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
behavioral1/memory/2824-1-0x00000000746A0000-0x00000000746CF000-memory.dmp	dridex_ldr
behavioral1/memory/2824-2-0x00000000746A0000-0x00000000746CF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2972	2824	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 3012 wrote to memory of 2824	3012	rundll32.exe	30
PID 3012 wrote to memory of 2824	3012	rundll32.exe	30
PID 3012 wrote to memory of 2824	3012	rundll32.exe	30
PID 3012 wrote to memory of 2824	3012	rundll32.exe	30
PID 3012 wrote to memory of 2824	3012	rundll32.exe	30
PID 3012 wrote to memory of 2824	3012	rundll32.exe	30
PID 3012 wrote to memory of 2824	3012	rundll32.exe	30
PID 2824 wrote to memory of 2972	2824	rundll32.exe	31
PID 2824 wrote to memory of 2972	2824	rundll32.exe	31
PID 2824 wrote to memory of 2972	2824	rundll32.exe	31
PID 2824 wrote to memory of 2972	2824	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39fc7a5cb0c2be39257e03983edfe9810563b11cb94b084c2b47de16e338cf37.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39fc7a5cb0c2be39257e03983edfe9810563b11cb94b084c2b47de16e338cf37.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 220
    3⤵
    - Program crash
    PID:2972

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/2824-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2824-1-0x00000000746A0000-0x00000000746CF000-memory.dmp

Filesize
188KB

Download
memory/2824-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2824-2-0x00000000746A0000-0x00000000746CF000-memory.dmp

Filesize
188KB

Download