Analysis

  • max time kernel
    149s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 04:03

General

  • Target
    2026-10-01_bf20b31d899710fd09b7b65f5b946662_coinminer_frostygoop_hive_knight_luca-stealer_salatstealer_sliver.exe
  • Size 2.5MB
  • Sample261002-emm45atbpg
  • SHA256 ba0a154e6d22bf318f4bb10296583e691100a3bc1f52f1224f359a8ab035e5ce
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 8 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Views/modifies file attributes 1 TTPs 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-01_bf20b31d899710fd09b7b65f5b946662_coinminer_frostygoop_hive_knight_luca-stealer_salatstealer_sliver.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-01_bf20b31d899710fd09b7b65f5b946662_coinminer_frostygoop_hive_knight_luca-stealer_salatstealer_sliver.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Windows\system32\attrib.exe
      attrib +h C:\Windows\System32\2de5416b.exe
      2⤵
      • Drops file in System32 directory
      • Views/modifies file attributes
      PID:4364
    • C:\Windows\system32\schtasks.exe
      schtasks /create /tn Update21760c /tr C:\Users\Admin\AppData\Local\Temp\2026-10-01_bf20b31d899710fd09b7b65f5b946662_coinminer_frostygoop_hive_knight_luca-stealer_salatstealer_sliver.exe /sc hourly /st 00:00 /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:792
    • C:\Windows\system32\attrib.exe
      attrib +h C:\Windows\SysWOW64\3d8a48d5.exe
      2⤵
      • Drops file in System32 directory
      • Views/modifies file attributes
      PID:2832
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command " $s = New-Object -comObject WScript.Shell $l = $s.CreateShortcut(\"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System03ded.lnk\") $l.TargetPath = \"C:\Users\Admin\AppData\Local\Temp\2026-10-01_bf20b31d899710fd09b7b65f5b946662_coinminer_frostygoop_hive_knight_luca-stealer_salatstealer_sliver.exe\" $l.Save() "
      2⤵
      • Creates a file in the Startup directory
      • Enumerates connected drives
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3852
    • C:\Windows\system32\attrib.exe
      attrib +h C:\Users\Admin\AppData\Roaming\Microsoft\Windows\50e39171.exe
      2⤵
      • Views/modifies file attributes
      PID:4420
    • C:\Windows\system32\attrib.exe
      attrib +h C:\Users\Admin\AppData\Local\Temp\1afff6fa.exe
      2⤵
      • Views/modifies file attributes
      PID:1096
  • C:\Users\Admin\AppData\Local\Temp\2026-10-01_bf20b31d899710fd09b7b65f5b946662_coinminer_frostygoop_hive_knight_luca-stealer_salatstealer_sliver.exe
    C:\Users\Admin\AppData\Local\Temp\2026-10-01_bf20b31d899710fd09b7b65f5b946662_coinminer_frostygoop_hive_knight_luca-stealer_salatstealer_sliver.exe
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:6104
    • C:\Windows\system32\schtasks.exe
      schtasks /create /tn Update9419f0 /tr C:\Users\Admin\AppData\Local\Temp\2026-10-01_bf20b31d899710fd09b7b65f5b946662_coinminer_frostygoop_hive_knight_luca-stealer_salatstealer_sliver.exe /sc hourly /st 00:00 /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:5356
    • C:\Windows\system32\attrib.exe
      attrib +h C:\Windows\System32\78fd856d.exe
      2⤵
      • Drops file in System32 directory
      • Views/modifies file attributes
      PID:3724
    • C:\Windows\system32\attrib.exe
      attrib +h C:\Windows\SysWOW64\efaffbfe.exe
      2⤵
      • Drops file in System32 directory
      • Views/modifies file attributes
      PID:4596
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command " $s = New-Object -comObject WScript.Shell $l = $s.CreateShortcut(\"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System43f30.lnk\") $l.TargetPath = \"C:\Users\Admin\AppData\Local\Temp\2026-10-01_bf20b31d899710fd09b7b65f5b946662_coinminer_frostygoop_hive_knight_luca-stealer_salatstealer_sliver.exe\" $l.Save() "
      2⤵
      • Creates a file in the Startup directory
      • Enumerates connected drives
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1216
    • C:\Windows\system32\attrib.exe
      attrib +h C:\Users\Admin\AppData\Roaming\Microsoft\Windows\8363990d.exe
      2⤵
      • Views/modifies file attributes
      PID:5864
    • C:\Windows\system32\attrib.exe
      attrib +h C:\Users\Admin\AppData\Local\Temp\a4c6bb11.exe
      2⤵
      • Views/modifies file attributes
      PID:6056

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 b67191a152d4566d0194395342f55c6142d94005610603fdc92ac4d491519f82
        • MD5 SHA1 SHA512 TLSH

        1afff6fa.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1afff6fa.exe
        • Size 2.5MB
        • SHA256 61ed1bdaa343cd311c0099775a30b456df62a0602ecee3722932f02b6f16078e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_nzzplkko.x1r.psm1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nzzplkko.x1r.psm1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        a4c6bb11.exe

        • Path C:\Users\Admin\AppData\Local\Temp\a4c6bb11.exe
        • Size 2.5MB
        • SHA256 d8032211ee5449b2c5c28a8ad09ce03ed5effb7a2d498a8c67dd398212c8b0ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        50e39171.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\50e39171.exe
        • Size 2.5MB
        • SHA256 0605d2c1b6b04f5c72c9161156fee5d21521e25d178a8040ac70300b073b832e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        8363990d.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\8363990d.exe
        • Size 2.5MB
        • SHA256 04e103d213c397f2fd66973b2f0e0f47ed0a53beabdfe9941bdc8349c4aeffa2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        3d8a48d5.exe

        • Path C:\Windows\SysWOW64\3d8a48d5.exe
        • Size 2.5MB
        • SHA256 b56a346e2a5f750fcb911da47edaa91b61e0bc5948e08edd64a9982271f40172
        • MD5 SHA1 SHA512 SSDEEP TLSH

        efaffbfe.exe

        • Path C:\Windows\SysWOW64\efaffbfe.exe
        • Size 2.5MB
        • SHA256 2ecabc3435eb13ea568d44f3ab7a2ac932cefb65122414a78d0db1fad8c3463b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2de5416b.exe

        • Path C:\Windows\System32\2de5416b.exe
        • Size 2.5MB
        • SHA256 97bc798b0d9be82aedffc744f61f9dc75fb0895fea7a8c5a67e911ac9c8c6183
        • MD5 SHA1 SHA512 SSDEEP TLSH

        78fd856d.exe

        • Path C:\Windows\System32\78fd856d.exe
        • Size 2.5MB
        • SHA256 d1403561a3ed103cf8c4a8b37e4c43ccd913b51b2c30486722de085b6d85f50a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3852-10-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp

        memory/3852-16-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp

        memory/3852-17-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp

        memory/3852-18-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp

        memory/3852-20-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp

        memory/3852-24-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp

        memory/3852-25-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp

        memory/3852-13-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp

        memory/3852-12-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp

        memory/3852-11-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp

        memory/3852-9-0x0000021DA4850000-0x0000021DA4872000-memory.dmp

        memory/3852-6-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp

        memory/3852-5-0x00007FF9B2B8F000-0x00007FF9B2B90000-memory.dmp