Malware Analysis Report

2024-11-13 13:21

Sample ID 240616-x78wfaxhrj
Target keygen.jar
SHA256 d203b0f62c7a4cfe0bc93a01988db7023a59de5298a5edc83bf8ef472d861319
Tags
discovery
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

d203b0f62c7a4cfe0bc93a01988db7023a59de5298a5edc83bf8ef472d861319

Threat Level: Shows suspicious behavior

The file keygen.jar was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Modifies file permissions

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 19:30

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 19:30

Reported

2024-06-16 19:31

Platform

win10-20240611-en

Max time kernel

34s

Max time network

21s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\keygen.jar

Signatures

Modifies file permissions

discovery
Description Indicator Process Target
N/A N/A C:\Windows\system32\icacls.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe N/A
N/A N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5112 wrote to memory of 3392 N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe C:\Windows\system32\icacls.exe
PID 5112 wrote to memory of 3392 N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe C:\Windows\system32\icacls.exe

Processes

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe

java -jar C:\Users\Admin\AppData\Local\Temp\keygen.jar

C:\Windows\system32\icacls.exe

C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M

Network

N/A

Files

memory/5112-2-0x0000027841CA0000-0x0000027841F10000-memory.dmp

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

MD5 1ac642ae1c269ee8d7e987b5dbfa334c
SHA1 4a9f430a7bfe441be91268d1e171577f0a980236
SHA256 ed0677ca82e26f3aaca67918b10749f0a000a06a1fcdcc301877400346abc9fa
SHA512 4cc6e4fdba8e52ec6b5ea14c4306cb164d86b59fde8c7655d97495d410795335f652325bc1f13fae782c823970e024a50b1992fbfcb792d4589cd14ec9b5d8f7

memory/5112-15-0x0000027840470000-0x0000027840471000-memory.dmp

memory/5112-17-0x0000027840470000-0x0000027840471000-memory.dmp

memory/5112-19-0x0000027841F10000-0x0000027841F20000-memory.dmp

memory/5112-25-0x0000027841F40000-0x0000027841F50000-memory.dmp

memory/5112-24-0x0000027841F30000-0x0000027841F40000-memory.dmp

memory/5112-22-0x0000027841F20000-0x0000027841F30000-memory.dmp

memory/5112-29-0x0000027841F60000-0x0000027841F70000-memory.dmp

memory/5112-28-0x0000027841F50000-0x0000027841F60000-memory.dmp

memory/5112-32-0x0000027841F70000-0x0000027841F80000-memory.dmp

memory/5112-33-0x0000027841F80000-0x0000027841F90000-memory.dmp

memory/5112-35-0x0000027841F90000-0x0000027841FA0000-memory.dmp

memory/5112-37-0x0000027841FA0000-0x0000027841FB0000-memory.dmp

memory/5112-39-0x0000027841FB0000-0x0000027841FC0000-memory.dmp

memory/5112-46-0x0000027841F10000-0x0000027841F20000-memory.dmp

memory/5112-45-0x0000027841FD0000-0x0000027841FE0000-memory.dmp

memory/5112-44-0x0000027841FC0000-0x0000027841FD0000-memory.dmp

memory/5112-43-0x0000027841CA0000-0x0000027841F10000-memory.dmp

memory/5112-51-0x0000027841FE0000-0x0000027841FF0000-memory.dmp

memory/5112-50-0x0000027841F20000-0x0000027841F30000-memory.dmp

memory/5112-53-0x0000027841F30000-0x0000027841F40000-memory.dmp

memory/5112-55-0x0000027841FF0000-0x0000027842000000-memory.dmp

memory/5112-54-0x0000027841F40000-0x0000027841F50000-memory.dmp

memory/5112-56-0x0000027840470000-0x0000027840471000-memory.dmp

memory/5112-61-0x0000027842000000-0x0000027842010000-memory.dmp

memory/5112-60-0x0000027841F60000-0x0000027841F70000-memory.dmp

memory/5112-59-0x0000027841F50000-0x0000027841F60000-memory.dmp

memory/5112-63-0x0000027841F70000-0x0000027841F80000-memory.dmp

memory/5112-68-0x0000027842010000-0x0000027842020000-memory.dmp

memory/5112-67-0x0000027841F80000-0x0000027841F90000-memory.dmp

memory/5112-70-0x0000027841F90000-0x0000027841FA0000-memory.dmp

memory/5112-71-0x0000027842020000-0x0000027842030000-memory.dmp

memory/5112-76-0x0000027841FA0000-0x0000027841FB0000-memory.dmp

memory/5112-77-0x0000027842030000-0x0000027842040000-memory.dmp

memory/5112-79-0x0000027841FB0000-0x0000027841FC0000-memory.dmp

memory/5112-86-0x0000027842060000-0x0000027842070000-memory.dmp

memory/5112-85-0x0000027841FD0000-0x0000027841FE0000-memory.dmp

memory/5112-84-0x0000027842050000-0x0000027842060000-memory.dmp

memory/5112-83-0x0000027841FC0000-0x0000027841FD0000-memory.dmp

memory/5112-80-0x0000027842040000-0x0000027842050000-memory.dmp

memory/5112-87-0x0000027840470000-0x0000027840471000-memory.dmp

memory/5112-89-0x0000027841FE0000-0x0000027841FF0000-memory.dmp

memory/5112-90-0x0000027842070000-0x0000027842080000-memory.dmp

memory/5112-92-0x0000027841FF0000-0x0000027842000000-memory.dmp

memory/5112-95-0x0000027842000000-0x0000027842010000-memory.dmp

memory/5112-97-0x0000027842090000-0x00000278420A0000-memory.dmp

memory/5112-96-0x0000027842080000-0x0000027842090000-memory.dmp

memory/5112-100-0x00000278420A0000-0x00000278420B0000-memory.dmp

memory/5112-99-0x0000027842010000-0x0000027842020000-memory.dmp

memory/5112-103-0x0000027842020000-0x0000027842030000-memory.dmp

memory/5112-104-0x00000278420B0000-0x00000278420C0000-memory.dmp

memory/5112-109-0x0000027842040000-0x0000027842050000-memory.dmp

memory/5112-112-0x00000278420D0000-0x00000278420E0000-memory.dmp

memory/5112-110-0x00000278420C0000-0x00000278420D0000-memory.dmp

memory/5112-115-0x00000278420E0000-0x00000278420F0000-memory.dmp

memory/5112-114-0x0000027842050000-0x0000027842060000-memory.dmp

memory/5112-108-0x0000027842030000-0x0000027842040000-memory.dmp

memory/5112-117-0x0000027842060000-0x0000027842070000-memory.dmp

memory/5112-120-0x00000278420F0000-0x0000027842100000-memory.dmp

memory/5112-119-0x0000027842070000-0x0000027842080000-memory.dmp

memory/5112-122-0x0000027842080000-0x0000027842090000-memory.dmp

memory/5112-123-0x0000027842090000-0x00000278420A0000-memory.dmp

memory/5112-124-0x00000278420A0000-0x00000278420B0000-memory.dmp

memory/5112-126-0x00000278420B0000-0x00000278420C0000-memory.dmp