Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 19:07

General

  • Target

    8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

  • Size

    2.8MB

  • MD5

    738a95eb2bb19c4b04dce42b06edb03c

  • SHA1

    115bce785ff9e7bb5f6cf857b7e66d56c3cb6f19

  • SHA256

    8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55

  • SHA512

    27c705b78ee98030d66db6492d82615f0a2c023b6f25af99f9979825a28f64f9403ba0b97a3a1313fdb2c287992750ae40521c2d0cbe4b00b92412069341bab7

  • SSDEEP

    24576:wl18GADX15DihL9GVRqIERogW68ngSTeTm8HZfj4cCao6A6u2EmAOuydnTX2tuiU:wO7SL9eq67ydBC/S2mpTn8

Malware Config

Signatures

  • 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.

  • 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 12 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
    "C:\Users\Admin\AppData\Local\Temp\8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.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:2172
    • C:\Windows\System32\notepad.exe
      "C:\Windows\System32\notepad.exe"
      2⤵
        PID:4216
      • C:\Windows\SysWOW64\taskkill.exe
        C:\Windows\System32\taskkill /f /pid 380
        2⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2220
      • C:\Windows\SysWOW64\CMD.exe
        CMD /C SC STOP lpbkwb
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3744
        • C:\Windows\SysWOW64\sc.exe
          SC STOP lpbkwb
          3⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2872
      • C:\Windows\SysWOW64\CMD.exe
        CMD /C SC DELETE lpbkwb
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4680
        • C:\Windows\SysWOW64\sc.exe
          SC DELETE lpbkwb
          3⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:4612
      • C:\Windows\SysWOW64\CMD.exe
        CMD /C SC STOP lpbkwb
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1832
        • C:\Windows\SysWOW64\sc.exe
          SC STOP lpbkwb
          3⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:3636
      • C:\Windows\SysWOW64\CMD.exe
        CMD /C SC DELETE lpbkwb
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4252
        • C:\Windows\SysWOW64\sc.exe
          SC DELETE lpbkwb
          3⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2404
    • 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:2724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

      Filesize

      2.8MB

      MD5

      6ffa4ebda5d32cf28e0e5c9bb6573c00

      SHA1

      01dca39ce93ffedcbad953647587ca30506e13f2

      SHA256

      49f4bd379a180b3d6737bff2089547d82bf3b0b19e2d6d3bd71e4664f0ddb4de

      SHA512

      37ad463758135dd725b62abb71b0abe6937ace5e635774a75b3d0db6aec5a4a480f0f3a6c00908ff49835fc8a4f9aab203e53bc1bd80f550ad8b675cc1d7bd9d

    • memory/2172-13-0x0000000010000000-0x0000000010025000-memory.dmp

      Filesize

      148KB

    • memory/2172-21-0x0000000000400000-0x00000000006FB000-memory.dmp

      Filesize

      3.0MB

    • memory/2724-4-0x0000000000BB0000-0x0000000000CDF000-memory.dmp

      Filesize

      1.2MB

    • memory/2724-3-0x0000000000BB0000-0x0000000000CDF000-memory.dmp

      Filesize

      1.2MB

    • memory/4216-0-0x00000000005C0000-0x00000000005C8000-memory.dmp

      Filesize

      32KB

    • memory/4216-1-0x00000000005C0000-0x00000000005C8000-memory.dmp

      Filesize

      32KB