Analysis
- max time kernel
28s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
25/04/2026, 07:47
Behavioral task
behavioral1
Sample
Toolscreen.jar
Resource
win11-20260130-en
6 signatures
30 seconds
General
- Target Toolscreen.jar
- Size 7.7MB
- Sample260425-jmx2jsbt9v
- SHA256 d99e5982c335acb1e894444fe60f501618ab2b4c0d0f5f26b43de08600361b06
- MD5 ca4f0eb1a5d9a6713398357c9154f05d
- SHA1 3271eb1e4a24d848e7812b5731a9cadb11768aa8
- SHA512 b326c13d776b606e7a3d478a3795e64db7888f9674474c08426497c7515e1c2681bd800cd7925d5ec3778517f150c7221a3dd46df71975aa144f092b360fd1cf
- SSDEEP 196608:1pGzlcPzQPhbdm4IPpewPRBban76cTnSBrRnS:1pJEPhbVITzm2ceBxS
- TLSH T1CA861223BEDECD29DA7755B351C28181647B61A4AC0B807E03E85DC68A31D4B1792FFE
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 3916 powershell.exe 4604 powershell.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 4824 reg.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3916 powershell.exe 3916 powershell.exe 4604 powershell.exe 4604 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 4604 powershell.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3240 java.exe 3240 java.exe 3240 java.exe 3240 java.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3240 wrote to memory of 4824 3240 java.exe 80 PID 3240 wrote to memory of 5568 3240 java.exe 82 PID 3240 wrote to memory of 1732 3240 java.exe 84 PID 3240 wrote to memory of 5948 3240 java.exe 86 PID 3240 wrote to memory of 3916 3240 java.exe 88 PID 3240 wrote to memory of 1088 3240 java.exe 90 PID 3240 wrote to memory of 5584 3240 java.exe 92 PID 3240 wrote to memory of 1156 3240 java.exe 94 PID 3240 wrote to memory of 4604 3240 java.exe 96
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\Toolscreen.jar1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKLM\SYSTEM\CurrentControlSet\Control\CI\Policy /v VerifiedAndReputablePolicyState2⤵
- Modifies registry key
PID:4824
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths"2⤵PID:5568
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /reg:642⤵PID:1732
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /reg:322⤵PID:5948
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "try { (Get-MpPreference).ExclusionPath | ForEach-Object { $_ } } catch { exit 1 }"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3916
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths"2⤵PID:1088
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /reg:642⤵PID:5584
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /reg:322⤵PID:1156
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "try { (Get-MpPreference).ExclusionPath | ForEach-Object { $_ } } catch { exit 1 }"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4604
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 4KB
- SHA256 e27390d57580e3dfba07bec3d8e430203bbc91e90f6937079b3fd52abc721bd4
- MD5 dbbd2d4458d7e8094846420da595dfc3
- SHA1 267cb47b904f14a519d2bd73abfdb30e1a06e1a6
- SHA512 480e7ca865b811f79f35fcfe7a9ac0280b48d1f9459873d18f000db55c72d53345cf3a10075c1ac407439545f699ce2a7bef38b00b4e19439edf384b00045531
- SSDEEP 96:iq4uYqGEo9xx+incqKXq3qotzYNYr7aqCiNLm7RIz+cBPzQh0nRAy6FcxZcosQSm:iq4uYqGEUdncqKXq3qotzYuWq2Iz+wx
- TLSH T11D91EE323375E0D5C8263F07192C19C463AF439AEA54AF48B258620EED2714BDF122F7
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 f66dcfa4d243b9575b66da1fe2c62d2c8e2c4f154a127577be26a96b157180aa
- MD5 285a864881f5152cce226844752093ca
- SHA1 7cead409a5e24fe197e4bd2747902fef82c6337b
- SHA512 5eb032566acd010c52d5fbbf738ad77b022f82291c4c3bf92452ca648965c6b4fd5c792a73199b51d0ddb4e2da96a64561fd158b03af516209878b681c554998
- TLSH T17F21A833B7ACC235C8D911BA2088AD01B2B5C3C7449ECECB7B84C508A57F99ADF641E4
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_05afo3gh.epy.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH