Analysis

  • max time kernel
    48s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 18:38

General

  • Target

    cb9e48b5f752de70ca94114a982f9b44087d0c7ae61e85bd18b68d5d0f3680a2.exe

  • Size

    118KB

  • MD5

    3263cbc6dd5c9e7683ace83c5bcfab8f

  • SHA1

    413f31e09100a4708792fd78ec229153c42707f4

  • SHA256

    cb9e48b5f752de70ca94114a982f9b44087d0c7ae61e85bd18b68d5d0f3680a2

  • SHA512

    519aea497e678c9e9a27bfe486b3e7f4aed4a7bcfc1bf63d52e39dda105688999b01bf947c7123a298ff62d9b832511c40eea248702bd5e45cba6cc7ce08581a

  • SSDEEP

    1536:JxqjQ+P04wsmJCWLy1sclGQUnddfKS3DlPXvgSaq7vQrwoEF:sr85CWO1sclGQUn9IS5PT

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
  • 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\cb9e48b5f752de70ca94114a982f9b44087d0c7ae61e85bd18b68d5d0f3680a2.exe
    "C:\Users\Admin\AppData\Local\Temp\cb9e48b5f752de70ca94114a982f9b44087d0c7ae61e85bd18b68d5d0f3680a2.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:1668
    • C:\Users\Admin\AppData\Local\Temp\3582-490\cb9e48b5f752de70ca94114a982f9b44087d0c7ae61e85bd18b68d5d0f3680a2.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\cb9e48b5f752de70ca94114a982f9b44087d0c7ae61e85bd18b68d5d0f3680a2.exe"
      2⤵
      • Executes dropped EXE
      PID:1028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\cb9e48b5f752de70ca94114a982f9b44087d0c7ae61e85bd18b68d5d0f3680a2.exe

    Filesize

    77KB

    MD5

    00480ba3ed73cefc9f51ead8fd5876ac

    SHA1

    679eee7022476bb31da9166a9bf7ccdf7ae9bcb2

    SHA256

    1c3f2a15a39b0c6bdd2cbc8157debbb9dd5b3be2c5d107e10d25653677e42610

    SHA512

    c9723a8dd4a3ba1eaf7a9f16fe98fff018c40e4fae652d5fc0997a14ff23876a27344ba832961f987ab20294b2378b554de113e7209efe6961aa82395d2ebfc8

  • \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\cb9e48b5f752de70ca94114a982f9b44087d0c7ae61e85bd18b68d5d0f3680a2.exe

    Filesize

    77KB

    MD5

    00480ba3ed73cefc9f51ead8fd5876ac

    SHA1

    679eee7022476bb31da9166a9bf7ccdf7ae9bcb2

    SHA256

    1c3f2a15a39b0c6bdd2cbc8157debbb9dd5b3be2c5d107e10d25653677e42610

    SHA512

    c9723a8dd4a3ba1eaf7a9f16fe98fff018c40e4fae652d5fc0997a14ff23876a27344ba832961f987ab20294b2378b554de113e7209efe6961aa82395d2ebfc8

  • \Users\Admin\AppData\Local\Temp\3582-490\cb9e48b5f752de70ca94114a982f9b44087d0c7ae61e85bd18b68d5d0f3680a2.exe

    Filesize

    77KB

    MD5

    00480ba3ed73cefc9f51ead8fd5876ac

    SHA1

    679eee7022476bb31da9166a9bf7ccdf7ae9bcb2

    SHA256

    1c3f2a15a39b0c6bdd2cbc8157debbb9dd5b3be2c5d107e10d25653677e42610

    SHA512

    c9723a8dd4a3ba1eaf7a9f16fe98fff018c40e4fae652d5fc0997a14ff23876a27344ba832961f987ab20294b2378b554de113e7209efe6961aa82395d2ebfc8

  • memory/1028-57-0x0000000000000000-mapping.dmp

  • memory/1668-54-0x0000000075071000-0x0000000075073000-memory.dmp

    Filesize

    8KB