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Analysis

  • max time kernel
    153s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/04/2024, 17:25

General

  • Target

    72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4.exe

  • Size

    116KB

  • MD5

    5fc7f95284c4f28f2d73fd86ade14d71

  • SHA1

    33ed0e7ac6a7e0a3eb496b614e5ae72f13a4cd1d

  • SHA256

    72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4

  • SHA512

    4ba0b183a6e8a275c29781837db6bd50ea6c9f04bb30af024b872d96f8a01c5226a98ac2f27313d1f5fbb07bba82007c74445b9845209bc8e8defa6a1ac9d228

  • SSDEEP

    1536:JxqjQ+P04wsmJCbKTpGWzFPPvUFU77Q95fIDAXzVl7xnzBwCURPMbCIuwBWWG2F+:sr85CGzFPPninxzBYR09WwDS

Malware Config

Signatures

  • Detect Neshta payload 15 IoCs
  • Neshta

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

  • 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 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4.exe
    "C:\Users\Admin\AppData\Local\Temp\72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Users\Admin\AppData\Local\Temp\3582-490\72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4.exe"
      2⤵
      • Executes dropped EXE
      PID:548
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3488 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4780

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

      Filesize

      2.4MB

      MD5

      8ffc3bdf4a1903d9e28b99d1643fc9c7

      SHA1

      919ba8594db0ae245a8abd80f9f3698826fc6fe5

      SHA256

      8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6

      SHA512

      0b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427

    • C:\Users\Admin\AppData\Local\Temp\3582-490\72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4.exe

      Filesize

      76KB

      MD5

      5cae157c3e1397b30c98e33351b50056

      SHA1

      5e89e4cc775db22d5d55f97680e296b46c2c8663

      SHA256

      b40d309425326ca6a2b33cfce1f74d36f405156267beedf1ed15d12e54725085

      SHA512

      b26758ec00e585cd9679577bc3c376fd2917125f9acba0193256e6fd2cff1e5b234bb5807abe4db2557303edd6bdfd346e4f7fd1c07500a350b974175fd87237

    • memory/5112-121-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-24-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-107-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-118-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-119-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-120-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-1-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-122-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-123-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-124-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-125-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-126-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-127-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5112-128-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB