Analysis

  • max time kernel
    137s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    12/02/2024, 12:48

General

  • Target

    97302a4018355bc712b7dde443b8319a.exe

  • Size

    3.9MB

  • MD5

    97302a4018355bc712b7dde443b8319a

  • SHA1

    17f1f65f6124f6ce078eca902727e52252863aa5

  • SHA256

    23873ccec34decfe261716022afd565b0d03ad4e8ce847789740d05768ebb317

  • SHA512

    569d27e7fd84fb12b24b50d8518e52fa3dfd7da4d2d9eef2dda1318bdc70c34f066bde8d458c340260140f95904a4412c92f206e8c4f62864fb49123388b75ef

  • SSDEEP

    98304:PbXdTMlyDdKrUr0wQyZ2lAqoZzAQ9qoFGDdKrUr0wQyaQCR1HoG2UVxDdKrUr0we:Ldwlypvr0Z6zAQEpvr0rXZkUVxpvr0Z8

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • 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\97302a4018355bc712b7dde443b8319a.exe
    "C:\Users\Admin\AppData\Local\Temp\97302a4018355bc712b7dde443b8319a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\97302a4018355bc712b7dde443b8319a.exe
      C:\Users\Admin\AppData\Local\Temp\97302a4018355bc712b7dde443b8319a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2948
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\97302a4018355bc712b7dde443b8319a.exe" /TN 6ek6uOO9da42 /F
        3⤵
        • Creates scheduled task(s)
        PID:2592
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 6ek6uOO9da42 > C:\Users\Admin\AppData\Local\Temp\5nstd.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2900
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 6ek6uOO9da42
          4⤵
            PID:2912

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\5nstd.xml

      Filesize

      1KB

      MD5

      6119f07ca6c97ac3a42321bd8e235303

      SHA1

      7e7ac9d6fc2200a334e8a62193934338fdf8a141

      SHA256

      128d2a8093ab2aee5d6d55c13f26a26f6915c0f7c972f9225f19f2cf71d22d98

      SHA512

      a09db7482f10088bec9514352921c051ed299942760f2f7ea315b514634fbff5d2b39c34ea0674fb0f0a1b769a33cee9a8344283a0256ffeb2f82fef3df3c923

    • \Users\Admin\AppData\Local\Temp\97302a4018355bc712b7dde443b8319a.exe

      Filesize

      3.9MB

      MD5

      cad81d25f5e7376ad74050c1bbb2311b

      SHA1

      effa8a685051a083a078f7ba7077c9be65293449

      SHA256

      80e7a722750527191fed51e4c8ae71139adeef918129ca0e8275dbf0804d3fa7

      SHA512

      f3456ef2cc3e4afdcea63c96455742e42cf7071db6448451ad2e5af3c07c255b10ffde0394ec382ad0d760324411f1f761b2524afc90921e871e5bfd8735ae72

    • memory/2088-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2088-2-0x00000000001A0000-0x000000000021E000-memory.dmp

      Filesize

      504KB

    • memory/2088-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2088-16-0x0000000023870000-0x0000000023ACC000-memory.dmp

      Filesize

      2.4MB

    • memory/2088-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2948-19-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2948-21-0x0000000022DD0000-0x0000000022E4E000-memory.dmp

      Filesize

      504KB

    • memory/2948-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2948-31-0x0000000000470000-0x00000000004DB000-memory.dmp

      Filesize

      428KB

    • memory/2948-45-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB