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Analysis

  • max time kernel
    121s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 08:11

General

  • Target

    1311cd91121172d0af75be0e9454f2cc.exe

  • Size

    6.4MB

  • MD5

    1311cd91121172d0af75be0e9454f2cc

  • SHA1

    a75da7fb1471ec472828638a6929430e83dc143d

  • SHA256

    751525316f4d0dfc3dd90b4f5941010471de7ae260a62dec11fdec7809a00e1e

  • SHA512

    5836ab7f136edf946844beb8f3d456f2d678081678d5bb1d9950c826fc3a35cd6a0a0371cdd91ef7966930ed4555b0a88658357da36dc97404a234d27c9078b0

  • SSDEEP

    196608:ywFAkK1ddlQq/BdlxX40dlQq/BdleRR1PfdlQq/BdlxX40dlQq/BdlO:lK1Sq//X4q/Ygq//X4q/w

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
  • 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\1311cd91121172d0af75be0e9454f2cc.exe
    "C:\Users\Admin\AppData\Local\Temp\1311cd91121172d0af75be0e9454f2cc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\1311cd91121172d0af75be0e9454f2cc.exe
      C:\Users\Admin\AppData\Local\Temp\1311cd91121172d0af75be0e9454f2cc.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\1311cd91121172d0af75be0e9454f2cc.exe" /TN MXmKXYLpa01b /F
        3⤵
        • Creates scheduled task(s)
        PID:3000
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN MXmKXYLpa01b > C:\Users\Admin\AppData\Local\Temp\1tiODR7qM.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1736
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN MXmKXYLpa01b
          4⤵
            PID:2696

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1tiODR7qM.xml

      Filesize

      1KB

      MD5

      e3d27eacf2b0722f76774f771401f759

      SHA1

      ea22fd56015a034839cb7818502115f76fd8bd80

      SHA256

      ba158086d334e92bef468f7f52717532d53ccd568f59b702907fbe5bb4a540b5

      SHA512

      4e163aef925cc3172b6f87f41d814ebff159d04060f6b5d2b67712ec463fd50b6b03e86bf82630ab3b2e6067fe24b4f2d1d052e0d663666d9c14689c82f4981d

    • memory/2192-1-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2192-0-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2192-3-0x0000000022D90000-0x0000000022E0E000-memory.dmp

      Filesize

      504KB

    • memory/2192-16-0x0000000023B10000-0x0000000023D6C000-memory.dmp

      Filesize

      2.4MB

    • memory/2192-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2732-20-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2732-31-0x0000000000220000-0x000000000028B000-memory.dmp

      Filesize

      428KB

    • memory/2732-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2732-22-0x00000000001A0000-0x000000000021E000-memory.dmp

      Filesize

      504KB

    • memory/2732-53-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB