Analysis

  • max time kernel
    135s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    31-01-2022 22:07

General

  • Target

    fb51de4a5a6e5ce3ecfba2871eccd0d3cc201619008cdbe808b8b250bdcedeb6.exe

  • Size

    4.4MB

  • MD5

    1e1b0f9d930f5fb46678b987b33f7f13

  • SHA1

    0feed2b32acd1661aedd4c9831ea748b4e3901da

  • SHA256

    fb51de4a5a6e5ce3ecfba2871eccd0d3cc201619008cdbe808b8b250bdcedeb6

  • SHA512

    d0c2ebf4593c7cf29a5bd806d0eacc7568bf4e66a212fd083bd604628e0a609a02bc25f1489b80338c84db969086618d34630371fc2dfab7e32d2ed9c391baeb

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 2 IoCs
  • 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\fb51de4a5a6e5ce3ecfba2871eccd0d3cc201619008cdbe808b8b250bdcedeb6.exe
    "C:\Users\Admin\AppData\Local\Temp\fb51de4a5a6e5ce3ecfba2871eccd0d3cc201619008cdbe808b8b250bdcedeb6.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:2008
    • C:\Users\Admin\AppData\Local\Temp\3582-490\fb51de4a5a6e5ce3ecfba2871eccd0d3cc201619008cdbe808b8b250bdcedeb6.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\fb51de4a5a6e5ce3ecfba2871eccd0d3cc201619008cdbe808b8b250bdcedeb6.exe"
      2⤵
      • Executes dropped EXE
      PID:324

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\fb51de4a5a6e5ce3ecfba2871eccd0d3cc201619008cdbe808b8b250bdcedeb6.exe
    MD5

    53e047befd78cea93d4a0186b4085173

    SHA1

    2926fabbd57870f35bf1f5e686650a8d7d80b2f6

    SHA256

    0a2063cd782f9970e61eaf7c0a1e64ed60d3cdf458f75b5697a99cef834b791a

    SHA512

    1a8791d89089d5649e5a8e34e533cd9cde3c3ac65504815c2f2f8320274f80a2dbf5c7c5d3299a5d16f7f346f618417b45b2d5f369afaac830c99378d7743f7a

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\fb51de4a5a6e5ce3ecfba2871eccd0d3cc201619008cdbe808b8b250bdcedeb6.exe
    MD5

    53e047befd78cea93d4a0186b4085173

    SHA1

    2926fabbd57870f35bf1f5e686650a8d7d80b2f6

    SHA256

    0a2063cd782f9970e61eaf7c0a1e64ed60d3cdf458f75b5697a99cef834b791a

    SHA512

    1a8791d89089d5649e5a8e34e533cd9cde3c3ac65504815c2f2f8320274f80a2dbf5c7c5d3299a5d16f7f346f618417b45b2d5f369afaac830c99378d7743f7a

  • \Users\Admin\AppData\Local\Temp\3582-490\fb51de4a5a6e5ce3ecfba2871eccd0d3cc201619008cdbe808b8b250bdcedeb6.exe
    MD5

    53e047befd78cea93d4a0186b4085173

    SHA1

    2926fabbd57870f35bf1f5e686650a8d7d80b2f6

    SHA256

    0a2063cd782f9970e61eaf7c0a1e64ed60d3cdf458f75b5697a99cef834b791a

    SHA512

    1a8791d89089d5649e5a8e34e533cd9cde3c3ac65504815c2f2f8320274f80a2dbf5c7c5d3299a5d16f7f346f618417b45b2d5f369afaac830c99378d7743f7a

  • \Users\Admin\AppData\Local\Temp\3582-490\fb51de4a5a6e5ce3ecfba2871eccd0d3cc201619008cdbe808b8b250bdcedeb6.exe
    MD5

    53e047befd78cea93d4a0186b4085173

    SHA1

    2926fabbd57870f35bf1f5e686650a8d7d80b2f6

    SHA256

    0a2063cd782f9970e61eaf7c0a1e64ed60d3cdf458f75b5697a99cef834b791a

    SHA512

    1a8791d89089d5649e5a8e34e533cd9cde3c3ac65504815c2f2f8320274f80a2dbf5c7c5d3299a5d16f7f346f618417b45b2d5f369afaac830c99378d7743f7a

  • memory/2008-54-0x00000000760F1000-0x00000000760F3000-memory.dmp
    Filesize

    8KB