Analysis

  • max time kernel
    139s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 01:04

General

  • Target

    12afbeae36c86ffa1781c6faac9cd3b460fe5835c55b901e7ec28e39df418d5e.exe

  • Size

    1.2MB

  • MD5

    827d17ea8908eee608affcbf9a41a4a8

  • SHA1

    082df822af7674e9851f707a11eb948d9dd3107b

  • SHA256

    12afbeae36c86ffa1781c6faac9cd3b460fe5835c55b901e7ec28e39df418d5e

  • SHA512

    71d6039b72fb1c31f47233d8706fc846da76016f8f99bf550b9933add346e4f6847ae2f9d26dd0ebbde5beb2ad1d4690e1b29a2761fd2232345f9657cb89722e

  • SSDEEP

    24576:0AHnh+eWsN3skA4RV1Hom2KXMmHaoXBKqF3Qb11YDO1Qo95:Dh+ZkldoPK8YaokqFWoDn6

Malware Config

Signatures

  • Neshta

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\12afbeae36c86ffa1781c6faac9cd3b460fe5835c55b901e7ec28e39df418d5e.exe
    "C:\Users\Admin\AppData\Local\Temp\12afbeae36c86ffa1781c6faac9cd3b460fe5835c55b901e7ec28e39df418d5e.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4756
    • C:\Users\Admin\AppData\Local\directory\file5.exe
      "C:\Users\Admin\AppData\Local\Temp\12afbeae36c86ffa1781c6faac9cd3b460fe5835c55b901e7ec28e39df418d5e.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:464
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\12afbeae36c86ffa1781c6faac9cd3b460fe5835c55b901e7ec28e39df418d5e.exe"
        3⤵
        • Modifies system executable filetype association
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Modifies registry class
        PID:4924
  • 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=3096 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4240

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Event Triggered Execution

    1
    T1546

    Change Default File Association

    1
    T1546.001

    Privilege Escalation

    Event Triggered Execution

    1
    T1546

    Change Default File Association

    1
    T1546.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe
      Filesize

      9.4MB

      MD5

      1ced9f83a3accc8823ed2641725a6441

      SHA1

      5f094d0d8141d9f1b404e639d000e5fa09c1a9bc

      SHA256

      073ac7aa3f44b0c276ce79b52046ea1d6ffb325556df42184d27c4731bd85b76

      SHA512

      3f4e722d3a571d4621482f02118bf6ff5561058c3f59ffc74b8642d8796a50a449f63a26fc074634dba80e93ed3245904ffe1852948d1fcd01f196c47d1baeff

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

      40KB

      MD5

      02d5934d708008ecdbced2f8c1491727

      SHA1

      21f7ab77b928386ace6ac3366ae017b0ac73ad3a

      SHA256

      f8898de9a8d6d10f61e1075471f4dbf21e52b5e71969d10675359fa7bfcbfd00

      SHA512

      252b8652695b60222d1165eda50440893f1a5c5e59a6d2e607de80405fb1d083da3421a0b3d27f3dfb20e298253d0f04ae87d6c092270ac4f23056c33f6523a5

    • C:\Users\Admin\AppData\Local\Temp\autC20.tmp
      Filesize

      305KB

      MD5

      5a82d2ba2918d9b69b8d2e33453508db

      SHA1

      10630a647881d8afbcab3792b75fc8b9ad5951dc

      SHA256

      c33f87666040884ab0f834f40bc9b9439f67c21c0397c10989081a1cbaf3ef45

      SHA512

      86113245589e0d877fafa9436501d931c7a1ec5d2afc0ea415e74b85b00209157ced185a8d41076d0537ca160a8cbbbbcbbfed3bf4f3495fe696a1b59b169258

    • C:\Users\Admin\AppData\Local\Temp\done
      Filesize

      28KB

      MD5

      764c56ef5805ba4e1b8a20f7c7515762

      SHA1

      43d20748615fdcbc5dc2781c7ec39aa05d93dd66

      SHA256

      154599a882d84df848b842b1262f810a1ee21f273357de1f1ac812821ba3d8ae

      SHA512

      9f2be8f1e9f067b88450436abc57a7305507c0429c7ffa3ee3134b466b7d43f41b435f30cb4664d4c16dfcf1172692e9965d121907930aea8307982543596cfa

    • C:\Users\Admin\AppData\Local\Temp\pyogenesis
      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

    • C:\Users\Admin\AppData\Local\directory\file5.exe
      Filesize

      1.2MB

      MD5

      827d17ea8908eee608affcbf9a41a4a8

      SHA1

      082df822af7674e9851f707a11eb948d9dd3107b

      SHA256

      12afbeae36c86ffa1781c6faac9cd3b460fe5835c55b901e7ec28e39df418d5e

      SHA512

      71d6039b72fb1c31f47233d8706fc846da76016f8f99bf550b9933add346e4f6847ae2f9d26dd0ebbde5beb2ad1d4690e1b29a2761fd2232345f9657cb89722e

    • memory/4756-12-0x0000000003B50000-0x0000000003B54000-memory.dmp
      Filesize

      16KB

    • memory/4924-32-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/4924-34-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/4924-33-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/4924-35-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/4924-48-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB