Analysis

  • max time kernel
    134s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2022, 17:58

General

  • Target

    387ff0acfc0edf6dd7df0fe292c3ba0afc00e0a211a3f3845b9ef26da6e54d0e.exe

  • Size

    187KB

  • MD5

    7bdebb07ec81592370017e49609c9270

  • SHA1

    8e177d239f10ba6a48a6f578443e0bfd408d8166

  • SHA256

    387ff0acfc0edf6dd7df0fe292c3ba0afc00e0a211a3f3845b9ef26da6e54d0e

  • SHA512

    09307bb4a8bd48f65056fabd21086b0b94851b60c50e2b157fdc596b7e42884d5ef503587f0d8744cf8d6507711dc1591f358f6f7207b2d3776179498e169f5d

  • SSDEEP

    3072:sr85ClO4NRXMK08zEaXPmpbt/nw4o554JLPaKQu9uiZvdlfGvMUb:k9lOSS6Xw/nw4lLyuvHGvMUb

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
  • UPX packed file 4 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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\387ff0acfc0edf6dd7df0fe292c3ba0afc00e0a211a3f3845b9ef26da6e54d0e.exe
    "C:\Users\Admin\AppData\Local\Temp\387ff0acfc0edf6dd7df0fe292c3ba0afc00e0a211a3f3845b9ef26da6e54d0e.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:1232
    • C:\Users\Admin\AppData\Local\Temp\3582-490\387ff0acfc0edf6dd7df0fe292c3ba0afc00e0a211a3f3845b9ef26da6e54d0e.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\387ff0acfc0edf6dd7df0fe292c3ba0afc00e0a211a3f3845b9ef26da6e54d0e.exe"
      2⤵
      • Executes dropped EXE
      PID:1668

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\387ff0acfc0edf6dd7df0fe292c3ba0afc00e0a211a3f3845b9ef26da6e54d0e.exe

          Filesize

          147KB

          MD5

          ecfa59043cbebea5910c69e29b0bcbe9

          SHA1

          e56806b9c103aadfe418b5deffdae9d9f2a80a2c

          SHA256

          f44b369c9fb952facfebe2dca41c1428d60e0635633b442d8486b7e950b4cc7c

          SHA512

          412fccb7e38a41f3b71bb2284e6bbfa4441090f913c2f843fde1ca810a4d6ed38d3b62d5d2e413919d208a0712c04b11351abbb3b8dbf5f9d9f42bf7d754846e

        • \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\387ff0acfc0edf6dd7df0fe292c3ba0afc00e0a211a3f3845b9ef26da6e54d0e.exe

          Filesize

          147KB

          MD5

          ecfa59043cbebea5910c69e29b0bcbe9

          SHA1

          e56806b9c103aadfe418b5deffdae9d9f2a80a2c

          SHA256

          f44b369c9fb952facfebe2dca41c1428d60e0635633b442d8486b7e950b4cc7c

          SHA512

          412fccb7e38a41f3b71bb2284e6bbfa4441090f913c2f843fde1ca810a4d6ed38d3b62d5d2e413919d208a0712c04b11351abbb3b8dbf5f9d9f42bf7d754846e

        • \Users\Admin\AppData\Local\Temp\3582-490\387ff0acfc0edf6dd7df0fe292c3ba0afc00e0a211a3f3845b9ef26da6e54d0e.exe

          Filesize

          147KB

          MD5

          ecfa59043cbebea5910c69e29b0bcbe9

          SHA1

          e56806b9c103aadfe418b5deffdae9d9f2a80a2c

          SHA256

          f44b369c9fb952facfebe2dca41c1428d60e0635633b442d8486b7e950b4cc7c

          SHA512

          412fccb7e38a41f3b71bb2284e6bbfa4441090f913c2f843fde1ca810a4d6ed38d3b62d5d2e413919d208a0712c04b11351abbb3b8dbf5f9d9f42bf7d754846e

        • memory/1232-54-0x0000000076041000-0x0000000076043000-memory.dmp

          Filesize

          8KB

        • memory/1232-59-0x0000000002730000-0x000000000278B000-memory.dmp

          Filesize

          364KB

        • memory/1668-60-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB