50d9e490042d226bfaeef0b39c7903d4e166803fd743f6e6a7a6c2aaadfd933c

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 23:55

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General

Target

Rekt/Rekt/JRPC.dll
Size

26KB
MD5

3141fa33649b9579a7eec662e917ac3f
SHA1

7f2e836d2a3fd9adf5958cbdd22103139598551b
SHA256

911366a82f457e2a65e1bebd6eafde9ce561b33555aa54e0844d2adb27f69662
SHA512

71f717c66bf5172797dbfc476e89325a875e715c1d2dc428eb6c31bfd610b953ac9b9aaea8019057163750e8a760adeeb5fb67292562e5a39cba4cef5a257ea9
SSDEEP

384:ey+EX+XyDf3pnyonEI05dYkCTex+t9jOyDCSbtVpF1JoAMr5w+:ey+er3y5pqCC1EAS

Score

3^/10

discovery

Malware Config

Signatures

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 7 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 2612	2024	rundll32.exe	31
PID 2024 wrote to memory of 2612	2024	rundll32.exe	31
PID 2024 wrote to memory of 2612	2024	rundll32.exe	31
PID 2024 wrote to memory of 2612	2024	rundll32.exe	31
PID 2024 wrote to memory of 2612	2024	rundll32.exe	31
PID 2024 wrote to memory of 2612	2024	rundll32.exe	31
PID 2024 wrote to memory of 2612	2024	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rekt\Rekt\JRPC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rekt\Rekt\JRPC.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2612

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

Windows 7 deprecation

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