Analysis

  • max time kernel
    94s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 19:41

General

  • Target

    0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4.exe

  • Size

    201KB

  • MD5

    98a8a149332de1598102af4f45ed7347

  • SHA1

    a651ef6471473c09e6afddb5f5a92664301a373e

  • SHA256

    0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4

  • SHA512

    cdb5c5476196e0c346bf8a4674bb23b6794a265f85edce7e3f5778af9fd9112316ff60c14385983b7797c49f0be15e699dc3653c3b708a3b161e8720847fdb15

  • SSDEEP

    3072:sr85CrOeZ/XyHIplTnTpw/8IBwZpRVJEMVDqyJ2z9IDqQT6jO5/X9KxymRximtif:k9/DAIVJ9D3J2z9I+BjyVYo6Y9D

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Neshta family
  • 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 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4.exe
    "C:\Users\Admin\AppData\Local\Temp\0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4.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:5032
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:760

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\0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4.exe

    Filesize

    161KB

    MD5

    38c9ada0c45c14dd85a318ecede5eac1

    SHA1

    25767b18dcee9a6ef03f122796773ac35a0147b2

    SHA256

    b08132d3392058942ec8718eacb1ed7972b1ec1b0f9ff8f49bb295bb7d6ae74e

    SHA512

    f14af9cc463d8030e703b43b7a371a09f166007f9ee5783046768127aa78132ff608d6f53c8ddec5df9504520a00cea86892f93c05e03c3b77b170ffd8efa216

  • memory/760-12-0x00000000740D2000-0x00000000740D3000-memory.dmp

    Filesize

    4KB

  • memory/760-13-0x00000000740D0000-0x0000000074681000-memory.dmp

    Filesize

    5.7MB

  • memory/760-14-0x00000000740D0000-0x0000000074681000-memory.dmp

    Filesize

    5.7MB

  • memory/760-58-0x00000000740D0000-0x0000000074681000-memory.dmp

    Filesize

    5.7MB

  • memory/760-114-0x00000000740D2000-0x00000000740D3000-memory.dmp

    Filesize

    4KB

  • memory/760-115-0x00000000740D0000-0x0000000074681000-memory.dmp

    Filesize

    5.7MB

  • memory/5032-116-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5032-117-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5032-119-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB