Analysis

  • max time kernel
    152s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2022 23:21

General

  • Target

    d83606579a5f9034e2104a84a4c2e389cdae11e382321bd738eacbc98f97c0ac.exe

  • Size

    123KB

  • MD5

    17593ee6b2e49fcb9fcd5f0cde408170

  • SHA1

    638fdc8dd37a1c5ea2ab53a628b4541709a3076c

  • SHA256

    d83606579a5f9034e2104a84a4c2e389cdae11e382321bd738eacbc98f97c0ac

  • SHA512

    db299d322d3d48fb38fbdb629ef063124de3b8d2ff59a8b935ffc5a102d302d2b033e0645ccaa550089ccd3f28d3924aeb9c0623344d605e1cef3041b5c49b91

  • SSDEEP

    1536:JxqjQ+P04wsmJCxfZ2c5XcMCDsWjcdKN8a19Oav0i8QemFinL90:sr85CxXCsKN8arOavTwR0

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.

  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d83606579a5f9034e2104a84a4c2e389cdae11e382321bd738eacbc98f97c0ac.exe
    "C:\Users\Admin\AppData\Local\Temp\d83606579a5f9034e2104a84a4c2e389cdae11e382321bd738eacbc98f97c0ac.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:1188
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d83606579a5f9034e2104a84a4c2e389cdae11e382321bd738eacbc98f97c0ac.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d83606579a5f9034e2104a84a4c2e389cdae11e382321bd738eacbc98f97c0ac.exe"
      2⤵
      • Executes dropped EXE
      PID:4256

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\d83606579a5f9034e2104a84a4c2e389cdae11e382321bd738eacbc98f97c0ac.exe

    Filesize

    83KB

    MD5

    3d3c5c9423b37e44eb3479e798902142

    SHA1

    d1ffa8c585dec6b8a2d81df7670269d0f63ded62

    SHA256

    09e7205cf3ead5a71a70916b0c5edf9a8f596ae340e4fb0b2fba874dea83f864

    SHA512

    bfa8ef4a806fdd5ea994ea9c7e216abb23f91aff99597eb26f7671c8d1f3275b59fca5df6c4613230049233c7297d11eddd4125f3ccf76e65b05ff8865072470

  • C:\Users\Admin\AppData\Local\Temp\3582-490\d83606579a5f9034e2104a84a4c2e389cdae11e382321bd738eacbc98f97c0ac.exe

    Filesize

    83KB

    MD5

    3d3c5c9423b37e44eb3479e798902142

    SHA1

    d1ffa8c585dec6b8a2d81df7670269d0f63ded62

    SHA256

    09e7205cf3ead5a71a70916b0c5edf9a8f596ae340e4fb0b2fba874dea83f864

    SHA512

    bfa8ef4a806fdd5ea994ea9c7e216abb23f91aff99597eb26f7671c8d1f3275b59fca5df6c4613230049233c7297d11eddd4125f3ccf76e65b05ff8865072470

  • memory/4256-132-0x0000000000000000-mapping.dmp