Overview

overview

7

Static

static

3

2025-07-01...er.exe

windows10-2004-x64

7

2025-07-01...er.exe

windows11-21h2-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    102s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01/07/2025, 05:45

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General

  • Target
    2025-07-01_03b268eef2f52c42715afc819a28b7c6_black-basta_coinminer_elex_hijackloader.exe
  • Size 11.1MB
  • Sample250701-gf2eaa1vdv
  • SHA256 f753155fdf2e04d587de2e2a4a6bdf331a3868613c09bd495d1d317b0f5adca0
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
discoveryspywarestealer

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3388
      • C:\Users\Admin\AppData\Local\Temp\2025-07-01_03b268eef2f52c42715afc819a28b7c6_black-basta_coinminer_elex_hijackloader.exe
        "C:\Users\Admin\AppData\Local\Temp\2025-07-01_03b268eef2f52c42715afc819a28b7c6_black-basta_coinminer_elex_hijackloader.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5752
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1964
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1556
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a9FE9.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2860
          • C:\Users\Admin\AppData\Local\Temp\2025-07-01_03b268eef2f52c42715afc819a28b7c6_black-basta_coinminer_elex_hijackloader.exe
            "C:\Users\Admin\AppData\Local\Temp\2025-07-01_03b268eef2f52c42715afc819a28b7c6_black-basta_coinminer_elex_hijackloader.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:5336
            • C:\Users\Admin\AppData\Local\Temp\2025-07-01_03b268eef2f52c42715afc819a28b7c6_black-basta_coinminer_elex_hijackloader.exe
              "C:\Users\Admin\AppData\Local\Temp\2025-07-01_03b268eef2f52c42715afc819a28b7c6_black-basta_coinminer_elex_hijackloader.exe" --type=collab-renderer --proc=5336
              5⤵
              • Executes dropped EXE
              PID:2800
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • 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:2596
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1520
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3176
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1244
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4792

    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 5b5d73e38e22c716bfb77511f9df397ece713db91500dec7b0431f9102279d56
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          7z.exe
          • Path C:\Program Files\7-Zip\7z.exe
          • Size 582KB
          • SHA256 ba88f410d358cc6bc2bafc4a75cefa30ccda2723723321b0101d85598b94e6b7
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          $$a9FE9.bat
          • Path C:\Users\Admin\AppData\Local\Temp\$$a9FE9.bat
          • Size 836B
          • SHA256 8d41f3c965794f2461cd163c9ae985202abf1273c12ecf46f22273294fc6e55c
          • MD5 SHA1 SHA512
          Submit Download

          2025-07-01_03b268eef2f52c42715afc819a28b7c6_black-basta_coinminer_elex_hijackloader.exe.exe
          • Path C:\Users\Admin\AppData\Local\Temp\2025-07-01_03b268eef2f52c42715afc819a28b7c6_black-basta_coinminer_elex_hijackloader.exe.exe
          • Size 11.0MB
          • SHA256 5f1d9218f9735a763ffecc47c7b6f0c342b7f1a5da835733e0b3b73903f864a0
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Logo1_.exe
          • Path C:\Windows\Logo1_.exe
          • Size 33KB
          • SHA256 17e108d8ceb576ad3751fddd635f1aaf687846053d6c10fd25ce69040c35bb1d
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          _desktop.ini
          • Path F:\$RECYCLE.BIN\S-1-5-21-2238466657-712128251-1221219315-1000\_desktop.ini
          • Size 8B
          • SHA256 c18ba10163eca907f0f0957d320e3f831cdfaf81758c3a3a7aef62236d4d3f2f
          • MD5 SHA1 SHA512
          Submit Download

          memory/2596-1608-0x0000000000400000-0x000000000043D000-memory.dmp
          Download

          memory/2596-19-0x0000000000400000-0x000000000043D000-memory.dmp
          Download

          memory/2596-8-0x0000000000400000-0x000000000043D000-memory.dmp
          Download

          memory/2596-8671-0x0000000000400000-0x000000000043D000-memory.dmp
          Download

          memory/2596-10151-0x0000000000400000-0x000000000043D000-memory.dmp
          Download

          memory/5752-11-0x0000000000400000-0x000000000043D000-memory.dmp
          Download

          memory/5752-0-0x0000000000400000-0x000000000043D000-memory.dmp
          Download