Analysis

  • max time kernel
    120s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 01:23

General

  • Target

    09f75fe4ba2dec61517a9cc5584517ad.exe

  • Size

    2.0MB

  • MD5

    09f75fe4ba2dec61517a9cc5584517ad

  • SHA1

    075d6e6f6991f50a977ceb25537a7febb70ae891

  • SHA256

    8414af7d0f5fb5cbe9ae413002d5d02966cfed7e4ff809a0b330520b66cc7107

  • SHA512

    89b8dc7e9335c02c1e631a0544db8caf455bddbcab7b72661e49ace24657ed0c5f4c3e100640dc43e2ce859601f20bc720126079a5904d3d27815a9d3c73b86a

  • SSDEEP

    49152:kyzhr8XRRNy67cN+9zWFULG+JAhwqcHbN3cN+9zWFULG+:k0GXzNy6wA9zyULG+JAhZcHbaA9zyULp

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\09f75fe4ba2dec61517a9cc5584517ad.exe
    "C:\Users\Admin\AppData\Local\Temp\09f75fe4ba2dec61517a9cc5584517ad.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Users\Admin\AppData\Local\Temp\09f75fe4ba2dec61517a9cc5584517ad.exe
      C:\Users\Admin\AppData\Local\Temp\09f75fe4ba2dec61517a9cc5584517ad.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2704
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\09f75fe4ba2dec61517a9cc5584517ad.exe" /TN BSpsfata099d /F
        3⤵
        • Creates scheduled task(s)
        PID:2812
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN BSpsfata099d > C:\Users\Admin\AppData\Local\Temp\Ew1FF73s.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2732
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN BSpsfata099d
          4⤵
            PID:2448

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Ew1FF73s.xml

      Filesize

      1KB

      MD5

      1694fc2593fe45dc92cbad951ef3fa95

      SHA1

      18dc5d2101bc673b02f22921a06a371493d8b4d6

      SHA256

      290b2b37c319fbf57af89e7bd6237cb81cd17e4f5c8625462b25dc909b0bf79f

      SHA512

      a0428b650a38c535569a674f812b02778e7601b8337560a5aa0a5da27ea02fbe692400a93348bba7e174f39edc3fc3454afb79daafd8fbcc59c800fb3e40d115

    • \Users\Admin\AppData\Local\Temp\09f75fe4ba2dec61517a9cc5584517ad.exe

      Filesize

      2.0MB

      MD5

      8e0504a066855d4c21d605304b28de26

      SHA1

      07dcb556df259b76dcaa40500b2fa0be67a9c3e2

      SHA256

      a9b380a7042d1d7171711efddf0547a68e7b3467413a8855d530cb033e4fe8e0

      SHA512

      e8c48eb0718dcf6471675e684a1304703e9022834dbb17b70c75895680da3c60e428d333dbf0696d0c08fbb378f55d80e0d09a02fec132e0f3dcc3dda416dc2c

    • memory/2464-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2464-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2464-2-0x0000000000220000-0x000000000029E000-memory.dmp

      Filesize

      504KB

    • memory/2464-16-0x00000000233A0000-0x00000000235FC000-memory.dmp

      Filesize

      2.4MB

    • memory/2464-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2704-18-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2704-20-0x0000000022E00000-0x0000000022E7E000-memory.dmp

      Filesize

      504KB

    • memory/2704-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2704-29-0x0000000000470000-0x00000000004DB000-memory.dmp

      Filesize

      428KB

    • memory/2704-53-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB