Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250610-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2025, 12:25

General

  • Target
    c435c32df861a4a29ed9ff603639ac58a2a051c3a6575c75d82a0fded3fb6bf1.exe
  • Size 104KB
  • Sample250705-plv4fsyvbw
  • SHA256 c435c32df861a4a29ed9ff603639ac58a2a051c3a6575c75d82a0fded3fb6bf1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • 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.

  • 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 10 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3468
      • C:\Users\Admin\AppData\Local\Temp\c435c32df861a4a29ed9ff603639ac58a2a051c3a6575c75d82a0fded3fb6bf1.exe
        "C:\Users\Admin\AppData\Local\Temp\c435c32df861a4a29ed9ff603639ac58a2a051c3a6575c75d82a0fded3fb6bf1.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:776
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4472
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:5172
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a48E0.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4808
          • C:\Users\Admin\AppData\Local\Temp\c435c32df861a4a29ed9ff603639ac58a2a051c3a6575c75d82a0fded3fb6bf1.exe
            "C:\Users\Admin\AppData\Local\Temp\c435c32df861a4a29ed9ff603639ac58a2a051c3a6575c75d82a0fded3fb6bf1.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4464
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • 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:4896
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4624
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4716
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4816
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4868

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          MicrosoftEdgeUpdateBroker.exe

          • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateBroker.exe
          • Size 132KB
          • SHA256 a72aa66de462c7cfab623c27dd686c1b1a369ac375688f62c140e7e4f136d82e
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Program Files\7-Zip\7z.exe
          • Size 582KB
          • SHA256 5391c21cb6ea4667b1defa0ce6e331f911c2b582b4c626d606931a46e0a45138
          • MD5 SHA1 SHA512 SSDEEP

          vcredist_x86.exe

          • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
          • Size 488KB
          • SHA256 99750acff09f51ecc7a0d7ce91e67e855e8602b6e8059ade2c177a52f27f74e7
          • MD5 SHA1 SHA512 SSDEEP

          $$a48E0.bat

          • Path C:\Users\Admin\AppData\Local\Temp\$$a48E0.bat
          • Size 722B
          • SHA256 7e16afb77ccb7bbad14793e9c3aaf9ff9c673b50da10e59378a1f3d147d87846
          • MD5 SHA1 SHA512

          c435c32df861a4a29ed9ff603639ac58a2a051c3a6575c75d82a0fded3fb6bf1.exe.exe

          • Path C:\Users\Admin\AppData\Local\Temp\c435c32df861a4a29ed9ff603639ac58a2a051c3a6575c75d82a0fded3fb6bf1.exe.exe
          • Size 71KB
          • SHA256 99cec7888af203c8997fc4e9a3b2a5b974540fe0e70f161c1b6b025309f12607
          • MD5 SHA1 SHA512 SSDEEP

          Logo1_.exe

          • Path C:\Windows\Logo1_.exe
          • Size 33KB
          • SHA256 2bd1ba2546e427e6f148829333c2c30202ea73421fa6699b06263e21703408b7
          • MD5 SHA1 SHA512 SSDEEP

          _desktop.ini

          • Path F:\$RECYCLE.BIN\S-1-5-21-2012121138-1878458325-808874697-1000\_desktop.ini
          • Size 8B
          • SHA256 aa1097f136c2df01b53ab755892a915fd76e795559ce2384870f2d850f691e50
          • MD5 SHA1 SHA512

          memory/776-11-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/776-0-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/4896-18-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/4896-1713-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/4896-8-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/4896-8434-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/4896-10050-0x0000000000400000-0x000000000043F000-memory.dmp