Analysis

  • max time kernel
    100s
  • max time network
    111s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250502-en
  • resource tags

    arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16/05/2025, 09:50

General

  • Target
    2025-05-16_af7c83d714f58aa6041a25c8dc610002_black-basta_elex.exe
  • Size 7.8MB
  • Sample250516-lt7wfa1va1
  • SHA256 8f793222d7360ce526b8ad4d769375008e89aa4e4302d13f880a5e83bc435037
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-05-16_af7c83d714f58aa6041a25c8dc610002_black-basta_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-05-16_af7c83d714f58aa6041a25c8dc610002_black-basta_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5796
    • C:\Users\Admin\AppData\Local\Temp\original_temp.exe
      "C:\Users\Admin\AppData\Local\Temp\original_temp.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2180

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\vcredist_x86.exe
        • Size 1.6MB
        • SHA256 1686a4b5092c3d132d5af71950cdb17990466958ac7112a1ae8bb807e781e2f8
        • MD5 SHA1 SHA512 SSDEEP

        RCX9412.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\RCX9412.tmp
        • Size 1.2MB
        • SHA256 285a70a24959325f134df1edc97b8e06d4eed84f44d72a8a1d48e7a846bafcb8
        • MD5 SHA1 SHA512 SSDEEP

        RCX97CE.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\RCX97CE.tmp
        • Size 1.2MB
        • SHA256 5c0536f1df8cc40dd159e808b1c2d242970ada10bf294f7f940ef59d52baaf18
        • MD5 SHA1 SHA512 SSDEEP

        RCX988E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\RCX988E.tmp
        • Size 1.2MB
        • SHA256 345822fc9e3f0170a3b6cdec3c9bda394cd71b215ed5864b728aa86ea1844660
        • MD5 SHA1 SHA512 SSDEEP

        original_temp.exe

        • Path C:\Users\Admin\AppData\Local\Temp\original_temp.exe
        • Size 6.6MB
        • SHA256 ea4553f17792800d7785ae88c866604c80d7efc84a33fafe11eecda4fc1530d5
        • MD5 SHA1 SHA512 SSDEEP

        virus_temp.exe

        • Path C:\Users\Admin\AppData\Local\Temp\virus_temp.exe
        • Size 1.2MB
        • SHA256 356f70f980a0abf69dc12dd9aec7f8f3da1843a7bbf50c2f29e9cda99e593a03
        • MD5 SHA1 SHA512 SSDEEP

        virus_temp.exe

        • Path C:\Users\Admin\AppData\Local\Temp\virus_temp.exe
        • Size 1.2MB
        • SHA256 b2a31f649cc0defc3fb04ba7c6616c1bbb3def8824175e3bb6c14176182b221a
        • MD5 SHA1 SHA512 SSDEEP

        virus_temp.exe

        • Path C:\Users\Admin\AppData\Local\Temp\virus_temp.exe
        • Size 1.2MB
        • SHA256 4679d72cb4bb80b3d9c8250adec09e422a5199f375c0fd874f3e4ebb382a3df2
        • MD5 SHA1 SHA512 SSDEEP

        memory/5796-356-0x0000000000400000-0x0000000000534000-memory.dmp