Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2024 22:29

General

  • Target

    9c3c6e4644e0b9b31f9dc9ef5db91b20ca774e0df78c4124141c4367618a6983N.exe

  • Size

    158KB

  • MD5

    cee3a029abcf0deec3c22b59bcd09970

  • SHA1

    30d8ebdf86da7a9db71dbcc778f0a05c1a09ab89

  • SHA256

    9c3c6e4644e0b9b31f9dc9ef5db91b20ca774e0df78c4124141c4367618a6983

  • SHA512

    5784f89c1efa24640bff071823db5575e2ef001436ca155b8c3e4bc4c9b942e35b5c3d578fdb3b697adb2b72f7f228ad823ff1b385c54639234b123076e37ae1

  • SSDEEP

    3072:sr85CetCd9wvn5+HB8DApBB8DApFEBO3l1i:k9MCdmm8Di8DKf1i

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.

  • 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 1 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c3c6e4644e0b9b31f9dc9ef5db91b20ca774e0df78c4124141c4367618a6983N.exe
    "C:\Users\Admin\AppData\Local\Temp\9c3c6e4644e0b9b31f9dc9ef5db91b20ca774e0df78c4124141c4367618a6983N.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:864
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9c3c6e4644e0b9b31f9dc9ef5db91b20ca774e0df78c4124141c4367618a6983N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9c3c6e4644e0b9b31f9dc9ef5db91b20ca774e0df78c4124141c4367618a6983N.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1884
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 848
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:3076

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\9c3c6e4644e0b9b31f9dc9ef5db91b20ca774e0df78c4124141c4367618a6983N.exe

    Filesize

    117KB

    MD5

    f2242488136c5806a1305af08dcfb382

    SHA1

    ab0a7f9ad889ae1fcb3332356acafaf127f600c2

    SHA256

    cf8d0ca4f5ba7bde287622d09520b86856d06a109b0496a91c1de50d1818236c

    SHA512

    a6d9d57d253316f95e4a93ac780b2fbe602a518df40186f5036dce145b85d35d3d5a7cfcc9637c90d104c10467891f8cbcb91fdb52e5433c1bd0c2b39f08593c

  • memory/864-108-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/864-109-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/864-111-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1884-12-0x00007FFCCA2A5000-0x00007FFCCA2A6000-memory.dmp

    Filesize

    4KB

  • memory/1884-14-0x00007FFCC9FF0000-0x00007FFCCA991000-memory.dmp

    Filesize

    9.6MB

  • memory/1884-13-0x000000001B590000-0x000000001BA5E000-memory.dmp

    Filesize

    4.8MB

  • memory/1884-15-0x000000001BB00000-0x000000001BB9C000-memory.dmp

    Filesize

    624KB

  • memory/1884-16-0x000000001BC50000-0x000000001BCF6000-memory.dmp

    Filesize

    664KB

  • memory/1884-19-0x00007FFCC9FF0000-0x00007FFCCA991000-memory.dmp

    Filesize

    9.6MB

  • memory/1884-24-0x00007FFCC9FF0000-0x00007FFCCA991000-memory.dmp

    Filesize

    9.6MB