Analysis

  • max time kernel
    160s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2022 19:46

General

  • Target

    5e9bc7c0a96d7e74528bb36a0b87be926174824ee067f29ea133de529bbbd6d6.exe

  • Size

    180KB

  • MD5

    655fb8597c6653b928f6b2fe13f70730

  • SHA1

    891b8521e1aa78caa05efea6bf5772570ac8835c

  • SHA256

    5e9bc7c0a96d7e74528bb36a0b87be926174824ee067f29ea133de529bbbd6d6

  • SHA512

    2b0b5afb0998e915d5ec7dafb31a927e34b35ff1346c1bc4a31148cc13ad7ae704d33eb528cf7207ffc8287cf8ab52c5e1e972682135864ad593795d28f55117

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in Program Files directory 14 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e9bc7c0a96d7e74528bb36a0b87be926174824ee067f29ea133de529bbbd6d6.exe
    "C:\Users\Admin\AppData\Local\Temp\5e9bc7c0a96d7e74528bb36a0b87be926174824ee067f29ea133de529bbbd6d6.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5e9bc7c0a96d7e74528bb36a0b87be926174824ee067f29ea133de529bbbd6d6.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5e9bc7c0a96d7e74528bb36a0b87be926174824ee067f29ea133de529bbbd6d6.exe"
      2⤵
      • Executes dropped EXE
      PID:3612

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\5e9bc7c0a96d7e74528bb36a0b87be926174824ee067f29ea133de529bbbd6d6.exe

    Filesize

    140KB

    MD5

    af6d4428fb42903b1578b31bd333bf16

    SHA1

    c0d52a608a428397140a772920b9c3ea627c2cf3

    SHA256

    52090bc03a83c42081d6c6329874bb6a0701adecc07499a86c59a0fa831ff0e4

    SHA512

    eaae4756d133631aa476363ef8aaed30520088769702264e64c1f1acfc0cd880e3145158940edc4b7930ff5b2fd524bb6663a48c4420c7b8432d9843baa0e71a

  • C:\Users\Admin\AppData\Local\Temp\3582-490\5e9bc7c0a96d7e74528bb36a0b87be926174824ee067f29ea133de529bbbd6d6.exe

    Filesize

    140KB

    MD5

    af6d4428fb42903b1578b31bd333bf16

    SHA1

    c0d52a608a428397140a772920b9c3ea627c2cf3

    SHA256

    52090bc03a83c42081d6c6329874bb6a0701adecc07499a86c59a0fa831ff0e4

    SHA512

    eaae4756d133631aa476363ef8aaed30520088769702264e64c1f1acfc0cd880e3145158940edc4b7930ff5b2fd524bb6663a48c4420c7b8432d9843baa0e71a

  • memory/3612-132-0x0000000000000000-mapping.dmp

  • memory/3612-135-0x0000000000FB0000-0x0000000000FD8000-memory.dmp

    Filesize

    160KB

  • memory/3612-136-0x00007FFF0FEF0000-0x00007FFF109B1000-memory.dmp

    Filesize

    10.8MB

  • memory/3612-137-0x00007FFF0FEF0000-0x00007FFF109B1000-memory.dmp

    Filesize

    10.8MB