Overview

overview

8

Static

static

3

2025-07-04...er.exe

windows10-2004-x64

8

2025-07-04...er.exe

windows11-21h2-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/07/2025, 12:31

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General

  • Target
    2025-07-04_04c2c4f931e6dea0521220dd73044d97_black-basta_elex_hijackloader.exe
  • Size 3.5MB
  • Sample250704-pp6pcssydz
  • SHA256 0dd0a7bbd280ff5a36cb482f512c6253da85c81569cfa36d79986be87f2ebfb3
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
discoveryspywarestealer

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

    discovery
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3192
      • C:\Users\Admin\AppData\Local\Temp\2025-07-04_04c2c4f931e6dea0521220dd73044d97_black-basta_elex_hijackloader.exe
        "C:\Users\Admin\AppData\Local\Temp\2025-07-04_04c2c4f931e6dea0521220dd73044d97_black-basta_elex_hijackloader.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5700
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4116
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2948
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a684F.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1320
          • C:\Users\Admin\AppData\Local\Temp\2025-07-04_04c2c4f931e6dea0521220dd73044d97_black-basta_elex_hijackloader.exe
            "C:\Users\Admin\AppData\Local\Temp\2025-07-04_04c2c4f931e6dea0521220dd73044d97_black-basta_elex_hijackloader.exe"
            4⤵
            • Executes dropped EXE
            PID:5808
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1916
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1492
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2464
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3452
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4924

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          MicrosoftEdgeUpdateBroker.exe
          • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateBroker.exe
          • Size 132KB
          • SHA256 c8650d6e0d03f83d0666f186ed327b27fd03ee22cee4f6dd9ff3307590cca7a0
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          7z.exe
          • Path C:\Program Files\7-Zip\7z.exe
          • Size 582KB
          • SHA256 c891c37e0142c1dcdcc4b8629cd0841ca541539ca9ff869911122f110ca6f0c9
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          vcredist_x86.exe
          • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
          • Size 488KB
          • SHA256 2b26721a8bf65724c6c7ba651b56f43d0a19319e5c7cdd13a1c8c41d996b0a22
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          $$a684F.bat
          • Path C:\Users\Admin\AppData\Local\Temp\$$a684F.bat
          • Size 776B
          • SHA256 bd5fd25916fca7ffc18df9f8d2aef4ff81e7c62d88c7eaf0820b7d8d8ad043df
          • MD5 SHA1 SHA512
          Submit Download

          2025-07-04_04c2c4f931e6dea0521220dd73044d97_black-basta_elex_hijackloader.exe.exe
          • Path C:\Users\Admin\AppData\Local\Temp\2025-07-04_04c2c4f931e6dea0521220dd73044d97_black-basta_elex_hijackloader.exe.exe
          • Size 3.4MB
          • SHA256 2b2538d62a3d95caa1eaaf402dda55e9b0dc66e5a0b8f6c8fd3042550e48d56d
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Logo1_.exe
          • Path C:\Windows\Logo1_.exe
          • Size 33KB
          • SHA256 cbe79c26d4e74231ff7db152b892b8b289386c1fc48e41b1d77f84bc1700f3ce
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          hosts
          • Path C:\Windows\system32\drivers\etc\hosts
          • Size 842B
          • SHA256 d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e
          • MD5 SHA1 SHA512
          Submit Download

          _desktop.ini
          • Path F:\$RECYCLE.BIN\S-1-5-21-2340264150-4060318110-2688614100-1000\_desktop.ini
          • Size 8B
          • SHA256 da5498ac44fd5b5f97353e6f28c673c28985ae25330f183b90a1a20b4bf4e85a
          • MD5 SHA1 SHA512
          Submit Download

          memory/1916-20-0x0000000000400000-0x000000000043E000-memory.dmp
          Download

          memory/1916-1609-0x0000000000400000-0x000000000043E000-memory.dmp
          Download

          memory/1916-9-0x0000000000400000-0x000000000043E000-memory.dmp
          Download

          memory/1916-8495-0x0000000000400000-0x000000000043E000-memory.dmp
          Download

          memory/1916-10035-0x0000000000400000-0x000000000043E000-memory.dmp
          Download

          memory/5700-0-0x0000000000400000-0x000000000043E000-memory.dmp
          Download

          memory/5700-11-0x0000000000400000-0x000000000043E000-memory.dmp
          Download