Analysis

  • max time kernel
    47s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2022 23:21

General

  • Target

    5e0b7d09cf7cf207bbd0bca054c7c420fedbe489721365edd5fea400718f71d6.exe

  • Size

    247KB

  • MD5

    4184cb08b8159640fe137df3d6420310

  • SHA1

    d534d55061cbf948bd32f4a57ad0dfce084945bd

  • SHA256

    5e0b7d09cf7cf207bbd0bca054c7c420fedbe489721365edd5fea400718f71d6

  • SHA512

    256b7688b29fa691f1b6ca1b9911e1127a2c0cb499c94a00a77b3909d3cd11e223b03ef5b37151a6140a4a6eacfcead4fa577f4422b5e72350a2c77dee9e04fd

  • SSDEEP

    6144:PuoXXzvWG3u74xnUM1ZjQOhZM3MHgO+CwswhhMHgO+Cwswh3:h6G3vxnUUZjw8HgO+Cwsw0HgO+Cwswl

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 2 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e0b7d09cf7cf207bbd0bca054c7c420fedbe489721365edd5fea400718f71d6.exe
    "C:\Users\Admin\AppData\Local\Temp\5e0b7d09cf7cf207bbd0bca054c7c420fedbe489721365edd5fea400718f71d6.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:1956
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5e0b7d09cf7cf207bbd0bca054c7c420fedbe489721365edd5fea400718f71d6.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5e0b7d09cf7cf207bbd0bca054c7c420fedbe489721365edd5fea400718f71d6.exe"
      2⤵
      • Executes dropped EXE
      PID:1220

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\5e0b7d09cf7cf207bbd0bca054c7c420fedbe489721365edd5fea400718f71d6.exe

    Filesize

    206KB

    MD5

    2f386e3a51b5a84c71d2f09a68187bf9

    SHA1

    4eca2a4bf6e23e5c909364efa0cd4b9cfa004dcc

    SHA256

    7ad64946e9f9dc91d4008507d2013d0f1180cb12506e7ec09fedb9b566b7f266

    SHA512

    2812482c87a6b7d0bf8b0f49cfe9abd6f9145acfa80456fa13f4aeaf0cab040d7042c424e89cac4006f290783fa80c2eaeacc2865cc49bcb34444c8bb03b9269

  • \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\5e0b7d09cf7cf207bbd0bca054c7c420fedbe489721365edd5fea400718f71d6.exe

    Filesize

    206KB

    MD5

    2f386e3a51b5a84c71d2f09a68187bf9

    SHA1

    4eca2a4bf6e23e5c909364efa0cd4b9cfa004dcc

    SHA256

    7ad64946e9f9dc91d4008507d2013d0f1180cb12506e7ec09fedb9b566b7f266

    SHA512

    2812482c87a6b7d0bf8b0f49cfe9abd6f9145acfa80456fa13f4aeaf0cab040d7042c424e89cac4006f290783fa80c2eaeacc2865cc49bcb34444c8bb03b9269

  • memory/1220-56-0x0000000000000000-mapping.dmp

  • memory/1956-54-0x0000000075141000-0x0000000075143000-memory.dmp

    Filesize

    8KB