Analysis

  • max time kernel
    99s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 02:34

General

  • Target

    b97c6f5eb0dffd17832083d913eebb6a01526a7c7885961262b64c271e40bdf5.exe

  • Size

    2.8MB

  • MD5

    21f0f3b31785b8c29ae831758f056048

  • SHA1

    4839b5e6c2e81c16de25d7f1557b2d14fb4e5f10

  • SHA256

    b97c6f5eb0dffd17832083d913eebb6a01526a7c7885961262b64c271e40bdf5

  • SHA512

    7fa38af42b639b537c8cc18ffaeeac688791a60a6de2e5d5955a0c3b9773d515b404f2c004d0fc4ed7afcc903dc7dc8107c93534e86e6c3adedf79be86ada14e

  • SSDEEP

    24576:4l18GADX15DihL9GVRqIERogW68ngSTeTm8HZfj4cCao6A6u2EmAOuydnTX2tuiJ:4O7SL9eq67ydBC/S2mpTnd1cF

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 1 IoCs
  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • Privateloader family
  • Sets service image path in registry 2 TTPs 2 IoCs
  • Stops running service(s) 4 TTPs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 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 6 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 18 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b97c6f5eb0dffd17832083d913eebb6a01526a7c7885961262b64c271e40bdf5.exe
    "C:\Users\Admin\AppData\Local\Temp\b97c6f5eb0dffd17832083d913eebb6a01526a7c7885961262b64c271e40bdf5.exe"
    1⤵
    • Sets service image path in registry
    • Enumerates connected drives
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3508
    • C:\Windows\System32\notepad.exe
      "C:\Windows\System32\notepad.exe"
      2⤵
        PID:3372
      • C:\Windows\SysWOW64\taskkill.exe
        C:\Windows\System32\taskkill /f /pid 316
        2⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2880
      • C:\Windows\SysWOW64\CMD.exe
        CMD /C SC STOP lytmwc
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3604
        • C:\Windows\SysWOW64\sc.exe
          SC STOP lytmwc
          3⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:4628
      • C:\Windows\SysWOW64\CMD.exe
        CMD /C SC DELETE lytmwc
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Windows\SysWOW64\sc.exe
          SC DELETE lytmwc
          3⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:1524
      • C:\Windows\SysWOW64\CMD.exe
        CMD /C SC STOP lytmwc
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3680
        • C:\Windows\SysWOW64\sc.exe
          SC STOP lytmwc
          3⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2456
      • C:\Windows\SysWOW64\CMD.exe
        CMD /C SC DELETE lytmwc
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2496
        • C:\Windows\SysWOW64\sc.exe
          SC DELETE lytmwc
          3⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:1108
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
      • Checks SCSI registry key(s)
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      PID:2056

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\b97c6f5eb0dffd17832083d913eebb6a01526a7c7885961262b64c271e40bdf5.exe

      Filesize

      2.8MB

      MD5

      832bcb75cec46aff2297ed3a820d7eed

      SHA1

      2a9c1ebd2cc72905229623f68c2ac7ae8c9472ac

      SHA256

      41baccef6dab879e6a00cda100f797fa1c2fefe6a99c7f0d7e376b03edb890fb

      SHA512

      9f1249c357b137b8ce6aef23aef15b6451b9f8ea15bfddc7c0a188fab41cc2b0419ef0b22e064d803c4549ada64cd6c12e7a47b633304a8f636b2566dff4def7

    • memory/2056-4-0x0000000000CE0000-0x0000000000E0F000-memory.dmp

      Filesize

      1.2MB

    • memory/2056-3-0x0000000000CE0000-0x0000000000E0F000-memory.dmp

      Filesize

      1.2MB

    • memory/3372-0-0x00000000007D0000-0x00000000007D8000-memory.dmp

      Filesize

      32KB

    • memory/3372-1-0x00000000007D0000-0x00000000007D8000-memory.dmp

      Filesize

      32KB

    • memory/3508-13-0x0000000010000000-0x0000000010025000-memory.dmp

      Filesize

      148KB

    • memory/3508-21-0x0000000000400000-0x0000000000701000-memory.dmp

      Filesize

      3.0MB