Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2024 12:43

General

  • Target

    9b8e50a36da08888f797bac0c49dfe327a833d768539faa7ba57e1a3dac0b390.exe

  • Size

    1.4MB

  • MD5

    818dcbf5c73a3f8431493b86d0982f14

  • SHA1

    c7a6dc7e656b813fcde72fa960ad9d704f55dfa6

  • SHA256

    9b8e50a36da08888f797bac0c49dfe327a833d768539faa7ba57e1a3dac0b390

  • SHA512

    4b2f7aca8f5c2268700e0a22239bdfcc54a2ad8cadca14b39be7b82ee88fefd97123274f58b001f5961d696470df02e78713905f35bf9b0c4aea91f182438122

  • SSDEEP

    24576:tqDEvCTbMWu7rQYlBQcBiT6rprG8aqecFgcV6QhYaMEgb8FrT2fKj:tTvC/MTQYxsWR7aqmEgoFrP

Malware Config

Signatures

  • Detect Neshta payload 6 IoCs
  • Neshta

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

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SendNotifyMessage 10 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b8e50a36da08888f797bac0c49dfe327a833d768539faa7ba57e1a3dac0b390.exe
    "C:\Users\Admin\AppData\Local\Temp\9b8e50a36da08888f797bac0c49dfe327a833d768539faa7ba57e1a3dac0b390.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\9b8e50a36da08888f797bac0c49dfe327a833d768539faa7ba57e1a3dac0b390.exe"
      2⤵
        PID:4872
      • C:\Users\Admin\AppData\Local\Temp\9b8e50a36da08888f797bac0c49dfe327a833d768539faa7ba57e1a3dac0b390.exe
        "C:\Users\Admin\AppData\Local\Temp\9b8e50a36da08888f797bac0c49dfe327a833d768539faa7ba57e1a3dac0b390.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1612
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Users\Admin\AppData\Local\Temp\9b8e50a36da08888f797bac0c49dfe327a833d768539faa7ba57e1a3dac0b390.exe"
          3⤵
          • 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
          PID:536

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      86KB

      MD5

      5c7a75d45e1ade7d7585c873c46c6214

      SHA1

      e7319a223cd08e367d29ebb87f77380c2f1b606e

      SHA256

      520755e64e6f380b8c545101e4dc1f9fb697849149aae66ac0a7e8c84dc0fdc8

      SHA512

      208b1aa1f5fec1420bdff7754515ce51dd92849aee15d188ed0c9b6822d6933a8751f3b864cf08376bea84bb9621dec294a98c66692fec88fc4785958db4f0c6

    • 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\bankrupture

      Filesize

      84KB

      MD5

      229b4619389587c5bd98397457a1da8e

      SHA1

      b0b58a4309e0e333c67c4e992d22491efb4da531

      SHA256

      d0bd0021784a29e0c7fa955b5fe7b6fd766d8f157dbaec49b26882778335ff3b

      SHA512

      f48de626a903a69ea76e0c516d589c9863e2de365a09b313fb11a704a8e3dde8de029dc47699a4b3e183160c7f7c495ff855c71972967e91b7e4276a0878e79f

    • memory/536-25-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/536-26-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/536-27-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/536-29-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/536-122-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/536-124-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2636-11-0x0000000000FB0000-0x0000000000FB4000-memory.dmp

      Filesize

      16KB