Analysis

  • max time kernel
    96s
  • 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
    07-12-2024 06:35

General

  • Target

    5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30N.exe

  • Size

    5.4MB

  • MD5

    5903ff5989daeb737212efdfcc68e040

  • SHA1

    2327f797b986251c754ca046e8495ca853c7a2c3

  • SHA256

    5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30

  • SHA512

    7f1306c7acf51ec703600963ad017f990a01b81346e6a3559a22c532fba051ca57023bc787f1a727f213b43eef1ef58fed046e8566286ceca200aaf8d14ac33a

  • SSDEEP

    98304:B8P+ore3hUyhZTHJ/wh+9scxSntxDbMAOhe1+zgxa3xWf+RL5:2Pk3hUyhlGznzglZgxcNz

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.

  • Neshta family
  • 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.

  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30N.exe
    "C:\Users\Admin\AppData\Local\Temp\5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30N.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:960
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1316

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\5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30N.exe

    Filesize

    5.4MB

    MD5

    6b06b79f73fce9294becce1f9a373aeb

    SHA1

    8565ecea4c9acd1da16d457d18e5ce81f46c18c6

    SHA256

    cf68307fb4f762c496c0cff04cc582685ce0d3d1682b3d7e1847c9a373dd6ab2

    SHA512

    d980d6478187e41e17ff4b5788f86df56ef1fd9909198267ea494d3b35deee983ee7132a21a77d568695613391f9b840f7a7f76ac16da6049c51def8a77d97ba

  • memory/960-102-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/960-104-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/960-105-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/960-107-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1316-16-0x0000000000B97000-0x0000000000EBB000-memory.dmp

    Filesize

    3.1MB

  • memory/1316-12-0x0000000000B40000-0x0000000000B41000-memory.dmp

    Filesize

    4KB

  • memory/1316-18-0x0000000000B60000-0x0000000001421000-memory.dmp

    Filesize

    8.8MB

  • memory/1316-17-0x0000000000B97000-0x0000000000EBB000-memory.dmp

    Filesize

    3.1MB

  • memory/1316-13-0x0000000000B60000-0x0000000001421000-memory.dmp

    Filesize

    8.8MB

  • memory/1316-103-0x0000000000B60000-0x0000000001421000-memory.dmp

    Filesize

    8.8MB