Analysis

  • max time kernel
    142s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2024 13:04

General

  • Target

    112d39ce63fabea7a869d92dbfc4b1d54c0c0d79a18f55a84629c661376f047aN.exe

  • Size

    1.7MB

  • MD5

    04f12435d4f5e0cd4df8e2d1b5b72840

  • SHA1

    c67af71c416e488acd56669c83f9e9b983e6a73c

  • SHA256

    112d39ce63fabea7a869d92dbfc4b1d54c0c0d79a18f55a84629c661376f047a

  • SHA512

    e8aa49bc78bd1ab5f83f0570dba5a8b285d2e8b4911b48a418be78c6c3d7e7ac723e7dc6d27cbeb131097f2c26ca999df5ff835d87e16f6fe54ac7fa13681e12

  • SSDEEP

    49152:xVHFXSFEmqiDqCbS1gickVsPTpuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuTuuuj:xVHFXSCmqsSgfkVsNuuuuuuuuuuuuuuz

Malware Config

Signatures

  • Detect Neshta payload 5 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 2 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 2 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\112d39ce63fabea7a869d92dbfc4b1d54c0c0d79a18f55a84629c661376f047aN.exe
    "C:\Users\Admin\AppData\Local\Temp\112d39ce63fabea7a869d92dbfc4b1d54c0c0d79a18f55a84629c661376f047aN.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:2736
    • C:\Users\Admin\AppData\Local\Temp\3582-490\112d39ce63fabea7a869d92dbfc4b1d54c0c0d79a18f55a84629c661376f047aN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\112d39ce63fabea7a869d92dbfc4b1d54c0c0d79a18f55a84629c661376f047aN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      PID:644

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\112d39ce63fabea7a869d92dbfc4b1d54c0c0d79a18f55a84629c661376f047aN.exe

    Filesize

    1.7MB

    MD5

    fcfe96e2509140274918b0cc174c507c

    SHA1

    36d67b73e95f17712665d0e2e092913b6711fbf3

    SHA256

    f347768ee3767b7e2ea9a6caa964861215b0085d95fc97b4dcb7762f4038703e

    SHA512

    0264d6d93ee65f8f14fa0e61ee89eef3d9a3543f4880d8c523765de5bf5b25092ad52a596a97b33d931373aaaa75a96a21d18d7e9050e795ac97a3c45f961b2f

  • memory/2736-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2736-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2736-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2736-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB