Analysis

  • max time kernel
    102s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 21:32

General

  • Target

    309e01dfd9fc6a1aa28fadf0a24a47d82f10df6ef284599fcf8a9b5c99c744f1.exe

  • Size

    120KB

  • MD5

    ea32c04ff7231f3a60e416cbb49ba649

  • SHA1

    40f02740ed78bf556ea11c87830406213358247f

  • SHA256

    309e01dfd9fc6a1aa28fadf0a24a47d82f10df6ef284599fcf8a9b5c99c744f1

  • SHA512

    67e0d80539ebe909e92183a269a1bad595b68dbd3ffa866d803f3d19a9afc011ca4411a1b8e96f8830431e67023c3a71b38d89c01bbf37574f0b4df21dc71ea1

  • SSDEEP

    1536:JxqjQ+P04wsmJC8cVVATRsWjcd/am0uWdZDJHYFGA3n7kCeH6bIa:sr85C3VOe/am0u+NhYPI6bH

Malware Config

Signatures

  • Detect Neshta payload 5 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Downloads MZ/PE file 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\309e01dfd9fc6a1aa28fadf0a24a47d82f10df6ef284599fcf8a9b5c99c744f1.exe
    "C:\Users\Admin\AppData\Local\Temp\309e01dfd9fc6a1aa28fadf0a24a47d82f10df6ef284599fcf8a9b5c99c744f1.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Users\Admin\AppData\Local\Temp\3582-490\309e01dfd9fc6a1aa28fadf0a24a47d82f10df6ef284599fcf8a9b5c99c744f1.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\309e01dfd9fc6a1aa28fadf0a24a47d82f10df6ef284599fcf8a9b5c99c744f1.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1684
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4MzAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTE0Njg3NjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzMxNzY0NTU3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:4852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\309e01dfd9fc6a1aa28fadf0a24a47d82f10df6ef284599fcf8a9b5c99c744f1.exe

    Filesize

    79KB

    MD5

    08919ee51cd05380b470ab96268b176c

    SHA1

    987455f1d45cc4c67c5f3ec77eca548394ae2242

    SHA256

    8d06c6c700dc548c1d0a1fc4596977d9a71fd06e0dc3c9e528eec374169b6e64

    SHA512

    2dc4b1121c8caaf808881553879a2b57429b1b59c7e49ccd8d6dd9f88d6c2d29f82385d0527c51afa891bde4e10a08d3b29a86893bd10648af3c161b7363d35f

  • memory/2392-121-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2392-122-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2392-123-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2392-125-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB