Analysis

  • max time kernel
    96s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 14:51

General

  • Target

    cfbae59932428699b28f24636ef31548bc5c0a6542550c0c287ff9e87748a740.exe

  • Size

    3.0MB

  • MD5

    7af7dcaa4cf585c950226a2cf311ecff

  • SHA1

    30aa8308c3ff8429216dd4fb49993d7020251376

  • SHA256

    cfbae59932428699b28f24636ef31548bc5c0a6542550c0c287ff9e87748a740

  • SHA512

    a662549c8642c24bc938fe470b4a7ed92bd25af8798cfbc1c2faf1669766a1531f3f97dbea964a8d0f1140bf58f419d6e384c0eb65bcfa37b018c38cbb6c8f9c

  • SSDEEP

    98304:AOL9eBmpJ6HDT2MtUmmJqvOwcdI/X48ETeO7:lRpJ6HDT2MtUmmJqvOwcdI/X48ETeO7

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\cfbae59932428699b28f24636ef31548bc5c0a6542550c0c287ff9e87748a740.exe
    "C:\Users\Admin\AppData\Local\Temp\cfbae59932428699b28f24636ef31548bc5c0a6542550c0c287ff9e87748a740.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:3672
    • C:\Windows\System32\notepad.exe
      "C:\Windows\System32\notepad.exe"
      2⤵
        PID:1072
      • C:\Windows\SysWOW64\taskkill.exe
        C:\Windows\System32\taskkill /f /pid 384
        2⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3056
      • C:\Windows\SysWOW64\CMD.exe
        CMD /C SC STOP rfozzf
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1704
        • C:\Windows\SysWOW64\sc.exe
          SC STOP rfozzf
          3⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2764
      • C:\Windows\SysWOW64\CMD.exe
        CMD /C SC DELETE rfozzf
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3128
        • C:\Windows\SysWOW64\sc.exe
          SC DELETE rfozzf
          3⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2292
      • C:\Windows\SysWOW64\CMD.exe
        CMD /C SC STOP rfozzf
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4064
        • C:\Windows\SysWOW64\sc.exe
          SC STOP rfozzf
          3⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:448
      • C:\Windows\SysWOW64\CMD.exe
        CMD /C SC DELETE rfozzf
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2356
        • C:\Windows\SysWOW64\sc.exe
          SC DELETE rfozzf
          3⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:924
    • 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:2840

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\cfbae59932428699b28f24636ef31548bc5c0a6542550c0c287ff9e87748a740.exe

      Filesize

      3.0MB

      MD5

      c119e6f3ec97fb8fd246e1784af0d826

      SHA1

      8678d2846df714dc89628b784fd25355628c350f

      SHA256

      bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd

      SHA512

      35ea350c84967f9548757c45ef3a4c22c352a506b9a047fb3c5e01c1ff773f59e0c6e632843cf6e4925acf38e39a9b6d9d987031d622dfb8f3e827fbac205625

    • memory/1072-0-0x0000000000E40000-0x0000000000E48000-memory.dmp

      Filesize

      32KB

    • memory/1072-1-0x0000000000E40000-0x0000000000E48000-memory.dmp

      Filesize

      32KB

    • memory/2840-4-0x00000000009A0000-0x0000000000ACF000-memory.dmp

      Filesize

      1.2MB

    • memory/2840-3-0x00000000009A0000-0x0000000000ACF000-memory.dmp

      Filesize

      1.2MB

    • memory/3672-13-0x0000000010000000-0x0000000010025000-memory.dmp

      Filesize

      148KB

    • memory/3672-21-0x0000000000400000-0x00000000006FC000-memory.dmp

      Filesize

      3.0MB