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Analysis

  • max time kernel
    119s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 15:05

General

  • Target

    77bc02e8c565cee1288a6f918711136c.exe

  • Size

    28KB

  • MD5

    77bc02e8c565cee1288a6f918711136c

  • SHA1

    50283f269435ed351cd9a04e605ed607617dc744

  • SHA256

    cf239f78ac1b7e72e301dd8f0482866e8ff664bc4c9ad7f78648b466dbeef9ff

  • SHA512

    4b3cb9347d909c2cee960d4726a4800f556f9ae22c610a15fb86febe69281b7c835376e551965fc6d55fbed6a0c9ce0ba5761d62077e4bf78f19106919da344c

  • SSDEEP

    768:5CUb3foaqTPawJG1VdPdEPcurxbjAmKmrV:QUL9qba+GvdPdEUWxbkmZV

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • UPX packed file 5 IoCs

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

  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77bc02e8c565cee1288a6f918711136c.exe
    "C:\Users\Admin\AppData\Local\Temp\77bc02e8c565cee1288a6f918711136c.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
        PID:2720
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\2228227.bat
        2⤵
        • Deletes itself
        PID:2764

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\2228227.bat

      Filesize

      235B

      MD5

      6d41571469772284adb1c46c5e71cb80

      SHA1

      7d38be1e37df1836abcb4b24df2cc1a40c751959

      SHA256

      309161b6b935c6dc5071e3e4ef9ede4a9d09dcf3676ddc83144023fd63e1305b

      SHA512

      9c80782655d7066d011c644b46cb99df957c7fcc62b88c08770ab63ab51d38f7eb9690596fb56c38ebdef13e3b663058f36387a52e86959032fc0d4408f4bd70

    • memory/2028-0-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/2028-13-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/2720-1-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/2720-5-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/2720-4-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/2720-15-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB