Analysis

  • max time kernel
    92s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2025 19:22

General

  • Target

    KeyLooger.ps1

  • Size

    716B

  • MD5

    0da54facd2360ee34329873e8a33c1fa

  • SHA1

    5029da7428ac63ff823d865658b9a3311a78b2aa

  • SHA256

    6b36cbee9046f1787d6372219ae2aca744781134fdfc84ea927af797408e9f88

  • SHA512

    44e82d490223b908a50da632bb95d81b91878ddafab6885a07cbfbbd3a41bdecd5220befb9bc37b1b7d9697f4fc64619ce1cdfa3eef465fc57cea9f356187742

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\KeyLooger.ps1
    1⤵
    • Blocklisted process makes network request
    • Downloads MZ/PE file
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\python-installer.exe
      "C:\Users\Admin\AppData\Local\Temp\python-installer.exe" /quiet InstallAllUsers=1 PrependPath=1
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4140
      • C:\Windows\Temp\{7553E00E-B6F0-4F49-BAC1-4BEB43D66DC2}\.cr\python-installer.exe
        "C:\Windows\Temp\{7553E00E-B6F0-4F49-BAC1-4BEB43D66DC2}\.cr\python-installer.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\python-installer.exe" -burn.filehandle.attached=556 -burn.filehandle.self=700 /quiet InstallAllUsers=1 PrependPath=1
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:828
        • C:\Windows\Temp\{31B1FFC7-5BFD-4864-B80C-14888F6B0872}\.be\python-3.13.1-amd64.exe
          "C:\Windows\Temp\{31B1FFC7-5BFD-4864-B80C-14888F6B0872}\.be\python-3.13.1-amd64.exe" -q -burn.elevated BurnPipe.{8FAE1E4E-2FCA-4272-A535-F60228BD8412} {85205697-53CE-4DA7-954D-C228B56C1D24} 828
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3296
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4816
  • C:\Windows\system32\srtasks.exe
    C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yrorlxlv.wib.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\python-installer.exe

    Filesize

    27.4MB

    MD5

    90176c0cfa29327ab08c6083dcdcc210

    SHA1

    cc0bcf37414be313526d63ef708fc85da3b693b1

    SHA256

    6b33fa9a439a86f553f9f60e538ccabc857d2f308bc77c477c04a46552ade81f

    SHA512

    5940aae44386f3622dee3f32e6a98073851a9f646da6bf3e04f050b9a9239e0ddf50b26e5e125154edc5bbebce7353d273950f1111e4ca5f2b4e2e4a7ac7cf92

  • C:\Windows\Temp\{31B1FFC7-5BFD-4864-B80C-14888F6B0872}\.ba\PythonBA.dll

    Filesize

    692KB

    MD5

    e8cd5641cae8ae7e9f98b8a3b7096808

    SHA1

    dd587894cad3122c1719def17f8377bb2bbbc05e

    SHA256

    898474ad4074571813416e58667a3b8a233e12e656579726c178ec71f794b268

    SHA512

    53034732df45527389362c2cc53d3ba0390bc4c1a7700b7d61d774d1eecdfed43381311c63b38861215813a674eb3fe865821cb352606522987fb2cfed2856e1

  • C:\Windows\Temp\{31B1FFC7-5BFD-4864-B80C-14888F6B0872}\.ba\SideBar.png

    Filesize

    50KB

    MD5

    888eb713a0095756252058c9727e088a

    SHA1

    c14f69f2bef6bc3e2162b4dd78e9df702d94cdb4

    SHA256

    79434bd1368f47f08acf6db66638531d386bf15166d78d9bfea4da164c079067

    SHA512

    7c59f4ada242b19c2299b6789a65a1f34565fed78730c22c904db16a9872fe6a07035c6d46a64ee94501fbcd96de586a8a5303ca22f33da357d455c014820ca0

  • C:\Windows\Temp\{7553E00E-B6F0-4F49-BAC1-4BEB43D66DC2}\.cr\python-installer.exe

    Filesize

    878KB

    MD5

    9bc2cfce73fe043e69c909fb1546dbbf

    SHA1

    8ee81917775b4bd60ea0592b2203d2219dc98cfa

    SHA256

    ba89d23a7c937c05feba316a927773faaf7becfb2279d9edac6cc11e31205e29

    SHA512

    4243b3923b998b21ed386750b179bf29bda164d6154e2f5cd744b361963c4e1025ed3d6d557f1cad672818a909cc8a5036cf14ccf4f5bdd1284db24156ad58e7

  • memory/2692-0-0x00007FFA29163000-0x00007FFA29165000-memory.dmp

    Filesize

    8KB

  • memory/2692-6-0x000001CE9C710000-0x000001CE9C732000-memory.dmp

    Filesize

    136KB

  • memory/2692-11-0x00007FFA29160000-0x00007FFA29C21000-memory.dmp

    Filesize

    10.8MB

  • memory/2692-12-0x00007FFA29160000-0x00007FFA29C21000-memory.dmp

    Filesize

    10.8MB

  • memory/2692-13-0x00007FFA29163000-0x00007FFA29165000-memory.dmp

    Filesize

    8KB

  • memory/2692-14-0x00007FFA29160000-0x00007FFA29C21000-memory.dmp

    Filesize

    10.8MB

  • memory/2692-105-0x00007FFA29160000-0x00007FFA29C21000-memory.dmp

    Filesize

    10.8MB