Analysis

  • max time kernel
    22s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 17:25

General

  • Target

    2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe

  • Size

    90KB

  • MD5

    61a199076ddfb00d9a92792ffa0f2668

  • SHA1

    7478d5b7ecf47ac14cbba2fab46f69106d02b008

  • SHA256

    b107c99d3d84007f8bc1c3eca8ba6bfdb2b38dd56cbc1d1592110e55f84e6fd6

  • SHA512

    f3ce8923d9cd8add89516d3f5033b5a5ccea06890e3ad1b93a422e1d0afff4ef5c4c9aaf4dbcecea5563f0af977084cd944c6b5566607d48282ca1340f8d891b

  • SSDEEP

    1536:JxqjQ+P04wsmJC4uFECDpw10vnAOIUaJh4IXdWXLXTWLS:sr85Cnlw10vvA/7sSu

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.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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
  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.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:4832
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3264
      • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe"
        3⤵
        • Executes dropped EXE
        PID:1200
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 356
          4⤵
          • Program crash
          PID:3404
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1200 -ip 1200
    1⤵
      PID:984

    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

      3b73078a714bf61d1c19ebc3afc0e454

      SHA1

      9abeabd74613a2f533e2244c9ee6f967188e4e7e

      SHA256

      ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

      SHA512

      75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

    • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe

      Filesize

      49KB

      MD5

      46bfd4f1d581d7c0121d2b19a005d3df

      SHA1

      5b063298bbd1670b4d39e1baef67f854b8dcba9d

      SHA256

      683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96

      SHA512

      b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5

    • memory/1200-122-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1200-123-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1200-125-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1200-128-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4832-131-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4832-132-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4832-134-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB