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Analysis

  • max time kernel
    138s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/05/2024, 13:08

General

  • Target

    2eb6c7c68bda762fd99f6b98d58bd9111aa7a3d759eef0796567076610451cb4.exe

  • Size

    264KB

  • MD5

    1188d2ada95ff71e9fdf26d9bd2b5450

  • SHA1

    9d0a6f12c904eae67f7721eb041c6b09b2104f9e

  • SHA256

    2eb6c7c68bda762fd99f6b98d58bd9111aa7a3d759eef0796567076610451cb4

  • SHA512

    b792f7413481405dad9e8aec426a663c87f897545235cc094fc9c9a40864460ee2a09f276d1a7068fb60b8554c617483e5eea173a64d00bf7729aaddc492ff1b

  • SSDEEP

    3072:zr8WDrCs3jKlGx/WryN8iQ2wESZv7Essmlh5Ao/hLnXQz4mmoa60vXT/pvzG+H3w:PusS2wESZvgsjQzUpG+H3w

Malware Config

Signatures

  • 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2eb6c7c68bda762fd99f6b98d58bd9111aa7a3d759eef0796567076610451cb4.exe
    "C:\Users\Admin\AppData\Local\Temp\2eb6c7c68bda762fd99f6b98d58bd9111aa7a3d759eef0796567076610451cb4.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:1824
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2eb6c7c68bda762fd99f6b98d58bd9111aa7a3d759eef0796567076610451cb4.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2eb6c7c68bda762fd99f6b98d58bd9111aa7a3d759eef0796567076610451cb4.exe"
      2⤵
      • Executes dropped EXE
      PID:624
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 624 -s 1052
        3⤵
        • Program crash
        PID:2240
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 624 -ip 624
    1⤵
      PID:388

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2.4MB

      MD5

      d9e8a1fa55faebd36ed2342fedefbedd

      SHA1

      c25cc7f0035488de9c5df0121a09b5100e1c28e9

      SHA256

      bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

      SHA512

      134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

    • C:\Users\Admin\AppData\Local\Temp\3582-490\2eb6c7c68bda762fd99f6b98d58bd9111aa7a3d759eef0796567076610451cb4.exe

      Filesize

      224KB

      MD5

      68025ba1758e34110f40b86b1225541a

      SHA1

      d86ea48ee7e55f1c2ce2170833fbb9771e0fa46e

      SHA256

      1c071d5459915b7b9934279d2f30135f650dc0b02228a1d99c03ca94fd432ef4

      SHA512

      bf39d3bede82c07790b49864d36cceb6c49ebe0aed64318df684f43d5919255c676ebf99d4cb792641e69b800f7f0170b279a73cdb9eba5d1b25a0ba409c4eac

    • memory/624-18-0x0000000073580000-0x0000000073D30000-memory.dmp

      Filesize

      7.7MB

    • memory/624-15-0x0000000005EA0000-0x0000000006444000-memory.dmp

      Filesize

      5.6MB

    • memory/624-16-0x0000000005840000-0x00000000058D2000-memory.dmp

      Filesize

      584KB

    • memory/624-17-0x00000000059E0000-0x00000000059EA000-memory.dmp

      Filesize

      40KB

    • memory/624-14-0x0000000000E10000-0x0000000000E4E000-memory.dmp

      Filesize

      248KB

    • memory/624-13-0x000000007358E000-0x000000007358F000-memory.dmp

      Filesize

      4KB

    • memory/624-26-0x0000000073580000-0x0000000073D30000-memory.dmp

      Filesize

      7.7MB

    • memory/1824-107-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1824-108-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1824-109-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1824-111-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB