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Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    14/02/2024, 02:37

General

  • Target

    9a8a37f89bead8fbd092114803b1f42c.exe

  • Size

    1003KB

  • MD5

    9a8a37f89bead8fbd092114803b1f42c

  • SHA1

    9f0908f4539275c501b553dcfee4a88d2c4bee9c

  • SHA256

    9045386ce21635fc664d22561bbde54d33a3e4fc43cff2e23d50361ddd339857

  • SHA512

    4665ca2a9eb492e14304ca2900e8ff3a514da2ea2d95d61a7737c93d13afbf346abaa33353c20f5695e73fd4051982cdbdd4780bba44cb6ad3fe03ef3cff6d2a

  • SSDEEP

    24576:NOIWAUj7AXwSOnvviTbyfEcjukL2CDYibq6/yqLNaF:NOlAYAgTv4yMcakLz0ibq6yqh

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 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\9a8a37f89bead8fbd092114803b1f42c.exe
    "C:\Users\Admin\AppData\Local\Temp\9a8a37f89bead8fbd092114803b1f42c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Users\Admin\AppData\Local\Temp\9a8a37f89bead8fbd092114803b1f42c.exe
      C:\Users\Admin\AppData\Local\Temp\9a8a37f89bead8fbd092114803b1f42c.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2376
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\9a8a37f89bead8fbd092114803b1f42c.exe" /TN 6ek6uOO9da42 /F
        3⤵
        • Creates scheduled task(s)
        PID:2568
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 6ek6uOO9da42 > C:\Users\Admin\AppData\Local\Temp\m0SkGWD.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2644
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 6ek6uOO9da42
          4⤵
            PID:2572

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\9a8a37f89bead8fbd092114803b1f42c.exe

      Filesize

      1003KB

      MD5

      06d02eebc85acf66e32219dc7c69a5e8

      SHA1

      fb5a56d2c5a568ba70df0ee76bca89aff8ce0357

      SHA256

      3773c8e0a419c161820f5e1981e4f439e5be0ad36d9b43d5c861838da2ce73ea

      SHA512

      fc2b63d94a6309bab9b57a2d98c7684ffc9c562d1ea7be3194f9ca2aab28313fcb23dd76ba0245d43ff4198d2815a75600ede62f57b3e508b237ba027ca40157

    • C:\Users\Admin\AppData\Local\Temp\m0SkGWD.xml

      Filesize

      1KB

      MD5

      b83e5edb179afab31699cce8dbaae44c

      SHA1

      fca621d3a31af11825a8ae11ab76378531fb7b4f

      SHA256

      b2e4c54ca7fc272de648361e55df2ccb196dc661a243ca351f825070bd40abde

      SHA512

      8539a46b34e7138787e4297af97d67d27f0784863affc7bf54766fdc3ab7730f6f9d06d17ee11a8da23318f9a328704323c9f673de1bd5e83838dc6a36e451b0

    • memory/2316-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2316-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2316-2-0x0000000000280000-0x00000000002FE000-memory.dmp

      Filesize

      504KB

    • memory/2316-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2376-19-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2376-20-0x0000000000290000-0x000000000030E000-memory.dmp

      Filesize

      504KB

    • memory/2376-25-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2376-29-0x00000000001A0000-0x000000000020B000-memory.dmp

      Filesize

      428KB

    • memory/2376-44-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB