Malware Analysis Report

2025-08-05 16:47

Sample ID 240204-z4z58sdack
Target Old-TLauncher.exe
SHA256 978dfe8f0fbb57398366e2302055b58fa641258f53db6909fca2b5a1e87ff3c5
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

978dfe8f0fbb57398366e2302055b58fa641258f53db6909fca2b5a1e87ff3c5

Threat Level: Shows suspicious behavior

The file Old-TLauncher.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Modifies file permissions

Drops file in Program Files directory

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-04 21:17

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-04 21:17

Reported

2024-02-04 21:21

Platform

win10-20231215-en

Max time kernel

128s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Old-TLauncher.exe"

Signatures

Modifies file permissions

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

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\Java\jre-1.8\bin\jvm.pdb C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\ntdll.pdb C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files\Java\jre-1.8\bin\javaw.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Old-TLauncher.exe

"C:\Users\Admin\AppData\Local\Temp\Old-TLauncher.exe"

C:\Program Files\Java\jre-1.8\bin\javaw.exe

"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Old-TLauncher.exe"

C:\Windows\system32\icacls.exe

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

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 129.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

memory/192-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2644-5-0x0000023080000000-0x0000023081000000-memory.dmp

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

MD5 2d8f85362f078773542cd404f26022ba
SHA1 b90f6a11022d5b29488ee74260bfa4fcbf66501b
SHA256 6c51c8e0efef08fa7691fc095a5132987710ca8ce96936e2f7f3dd56109a4855
SHA512 95667871c544e29247fae6bd9012c1f0693e52707155e4bdeb0c6b655297418fd41189c0ac189382a27e4147c6ff94158bf3c579523c3ac1de82daaa7a9b2ddb

memory/2644-13-0x00000230F0C70000-0x00000230F0C71000-memory.dmp

memory/2644-21-0x00000230F0C70000-0x00000230F0C71000-memory.dmp

memory/2644-24-0x0000023080000000-0x0000023081000000-memory.dmp

memory/2644-35-0x0000023080000000-0x0000023081000000-memory.dmp

memory/2644-47-0x0000023080000000-0x0000023081000000-memory.dmp

memory/2644-55-0x0000023080000000-0x0000023081000000-memory.dmp

memory/2644-56-0x0000023080000000-0x0000023081000000-memory.dmp

memory/2644-57-0x0000023080000000-0x0000023081000000-memory.dmp

memory/2644-58-0x0000023080000000-0x0000023081000000-memory.dmp

memory/2644-59-0x0000023080000000-0x0000023081000000-memory.dmp

memory/2644-60-0x0000023080000000-0x0000023081000000-memory.dmp

memory/2644-61-0x0000023080000000-0x0000023081000000-memory.dmp

memory/2644-62-0x0000023080000000-0x0000023081000000-memory.dmp