Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/11/2024, 01:26

General

  • Target
    c419b86ece27949cf04ddb47304d9e9bbc2958af1ef156b3d65802c79d0bf25f.exe
  • Size 70KB
  • Sample241110-bt2djsyreq
  • SHA256 c419b86ece27949cf04ddb47304d9e9bbc2958af1ef156b3d65802c79d0bf25f
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • 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 5 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 20 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3488
      • C:\Users\Admin\AppData\Local\Temp\c419b86ece27949cf04ddb47304d9e9bbc2958af1ef156b3d65802c79d0bf25f.exe
        "C:\Users\Admin\AppData\Local\Temp\c419b86ece27949cf04ddb47304d9e9bbc2958af1ef156b3d65802c79d0bf25f.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4052
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8AFA.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1004
          • C:\Users\Admin\AppData\Local\Temp\c419b86ece27949cf04ddb47304d9e9bbc2958af1ef156b3d65802c79d0bf25f.exe
            "C:\Users\Admin\AppData\Local\Temp\c419b86ece27949cf04ddb47304d9e9bbc2958af1ef156b3d65802c79d0bf25f.exe"
            4⤵
            • Executes dropped EXE
            PID:2716
        • 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:1052
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:116
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2188

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          GoogleUpdateCore.exe

          • Path C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe
          • Size 247KB
          • SHA256 e2813a7fb0a036eb9b0861b1687ba73d8380ecb2b9cbe0eededd4edfd8ad7f49
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Program Files\7-Zip\7z.exe
          • Size 573KB
          • SHA256 88feb2e0a2ad7d177db262c8f49044c863d002355af8242a412ac69cbee1dbf2
          • MD5 SHA1 SHA512 SSDEEP

          windowsdesktop-runtime-8.0.2-win-x64.exe

          • Path C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe
          • Size 639KB
          • SHA256 848e14757895f1da1da61c8bb06127caaeb36eb3361768b3baf1a7974ad16716
          • MD5 SHA1 SHA512 SSDEEP

          $$a8AFA.bat

          • Path C:\Users\Admin\AppData\Local\Temp\$$a8AFA.bat
          • Size 722B
          • SHA256 67df4cd5fa819a151cdf2bcc2d2d7dc65e62bc078b5fa397bbd137f37456e9d1
          • MD5 SHA1 SHA512

          c419b86ece27949cf04ddb47304d9e9bbc2958af1ef156b3d65802c79d0bf25f.exe.exe

          • Path C:\Users\Admin\AppData\Local\Temp\c419b86ece27949cf04ddb47304d9e9bbc2958af1ef156b3d65802c79d0bf25f.exe.exe
          • Size 41KB
          • SHA256 cd24c61fe7dc3896c6c928c92a2adc58fab0a3ff61ef7ddcac1ba794182ab12f
          • MD5 SHA1 SHA512 SSDEEP

          rundl132.exe

          • Path C:\Windows\rundl132.exe
          • Size 29KB
          • SHA256 90eeb4757d0a09477070cec4c254a25533cefa01cf22c772e116f7b6e99ca56c
          • MD5 SHA1 SHA512 SSDEEP

          _desktop.ini

          • Path F:\$RECYCLE.BIN\S-1-5-21-3756129449-3121373848-4276368241-1000\_desktop.ini
          • Size 10B
          • SHA256 a48a9bee0ea1d148d80a848e506f13606a80f84e7f4fa4a3ceeb0f47eab1bf40
          • MD5 SHA1 SHA512

          memory/1052-26-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/1052-32-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/1052-36-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/1052-19-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/1052-774-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/1052-1233-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/1052-4784-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/1052-10-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/1052-5257-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/4052-0-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/4052-8-0x0000000000400000-0x0000000000436000-memory.dmp