Analysis

  • max time kernel
    151s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2022, 21:17

General

  • Target

    0c8fe30d9edf713b5a9b51138ad63987b0d7be0ed74bd7381458f3425acacd53.exe

  • Size

    362KB

  • MD5

    63ddb3fca0434bd6b6f3ec99fe1a6f60

  • SHA1

    522425ad4e713c12f7f2128139e84541da672dfc

  • SHA256

    0c8fe30d9edf713b5a9b51138ad63987b0d7be0ed74bd7381458f3425acacd53

  • SHA512

    33ba151508a4c0c746f441d519c9580f2b900fdaf00f300ed11c0940876ab5f0818462e96bd625c79d2293ac8401059aaea6c163fc3e5f265428fe465f3fb62e

  • SSDEEP

    6144:ktt60ek10zlKbnJNIVa2914A+hsCYMvtI8p3DOmun31vk2NO+kfPNO+kfg:/0flbLIVT4ZWwDOmun39Pkf3kfg

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c8fe30d9edf713b5a9b51138ad63987b0d7be0ed74bd7381458f3425acacd53.exe
    "C:\Users\Admin\AppData\Local\Temp\0c8fe30d9edf713b5a9b51138ad63987b0d7be0ed74bd7381458f3425acacd53.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0c8fe30d9edf713b5a9b51138ad63987b0d7be0ed74bd7381458f3425acacd53.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0c8fe30d9edf713b5a9b51138ad63987b0d7be0ed74bd7381458f3425acacd53.exe"
      2⤵
      • Executes dropped EXE
      PID:892

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\0c8fe30d9edf713b5a9b51138ad63987b0d7be0ed74bd7381458f3425acacd53.exe

          Filesize

          322KB

          MD5

          0b5622e358f3562758dd6ce042f712c1

          SHA1

          af354e5a747006b71d1570fb52ae4f816c888de5

          SHA256

          eb4dbcbc35d4c8be1cb8500461da21b62cd540966e46d0dd1a0472e89d02f89a

          SHA512

          2e6cc75082231963f2f97a0a66e7269862381c158ed5d6b90b7161f28abfd2cdf46d3dd8d07924253d3e93267a8bf2892a5458fcc0f3ea5691d3f73aa617ff7b

        • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

          Filesize

          252KB

          MD5

          9e2b9928c89a9d0da1d3e8f4bd96afa7

          SHA1

          ec66cda99f44b62470c6930e5afda061579cde35

          SHA256

          8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

          SHA512

          2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

        • \Users\Admin\AppData\Local\Temp\3582-490\0c8fe30d9edf713b5a9b51138ad63987b0d7be0ed74bd7381458f3425acacd53.exe

          Filesize

          322KB

          MD5

          0b5622e358f3562758dd6ce042f712c1

          SHA1

          af354e5a747006b71d1570fb52ae4f816c888de5

          SHA256

          eb4dbcbc35d4c8be1cb8500461da21b62cd540966e46d0dd1a0472e89d02f89a

          SHA512

          2e6cc75082231963f2f97a0a66e7269862381c158ed5d6b90b7161f28abfd2cdf46d3dd8d07924253d3e93267a8bf2892a5458fcc0f3ea5691d3f73aa617ff7b

        • \Users\Admin\AppData\Local\Temp\3582-490\0c8fe30d9edf713b5a9b51138ad63987b0d7be0ed74bd7381458f3425acacd53.exe

          Filesize

          322KB

          MD5

          0b5622e358f3562758dd6ce042f712c1

          SHA1

          af354e5a747006b71d1570fb52ae4f816c888de5

          SHA256

          eb4dbcbc35d4c8be1cb8500461da21b62cd540966e46d0dd1a0472e89d02f89a

          SHA512

          2e6cc75082231963f2f97a0a66e7269862381c158ed5d6b90b7161f28abfd2cdf46d3dd8d07924253d3e93267a8bf2892a5458fcc0f3ea5691d3f73aa617ff7b

        • memory/1992-54-0x0000000076141000-0x0000000076143000-memory.dmp

          Filesize

          8KB