Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 22:29

General

  • Target
    cf2ba6f24373f440531b5ad69cf882e8ffa80a9c556124b944dad25a0d0e35bf.exe
  • Size 33KB
  • Sample240602-2efreaad87
  • SHA256 cf2ba6f24373f440531b5ad69cf882e8ffa80a9c556124b944dad25a0d0e35bf
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Reads user/profile data of web browsers 2 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 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1152
      • C:\Users\Admin\AppData\Local\Temp\cf2ba6f24373f440531b5ad69cf882e8ffa80a9c556124b944dad25a0d0e35bf.exe
        "C:\Users\Admin\AppData\Local\Temp\cf2ba6f24373f440531b5ad69cf882e8ffa80a9c556124b944dad25a0d0e35bf.exe"
        2⤵
        • Drops file in Drivers directory
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1028
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2020
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2464
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2036
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              4⤵
                PID:2572

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              GoogleUpdateCore.exe

              • Path C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
              • Size 258KB
              • SHA256 f4126de53afbb2a68dead67d01bae1d52b38ae711b06d94629f952099e691d32
              • MD5 SHA1 SHA512 SSDEEP

              7zG.exe

              • Path C:\Program Files\7-Zip\7zG.exe
              • Size 717KB
              • SHA256 711e2fe727ad5ac117e9114a12a31c0b98e7acd968d4a3f5999ac28132df9cfe
              • MD5 SHA1 SHA512 SSDEEP

              vcredist_x64.exe

              • Path C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe
              • Size 478KB
              • SHA256 cfc87b2273f90e5125ca09d4fed15c56a82dabc54e418301f8ce23476201950e
              • MD5 SHA1 SHA512 SSDEEP

              _desktop.ini

              • Path F:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\_desktop.ini
              • Size 8B
              • SHA256 7a7b688ede50bbaf08d4579fbd8c6b6c99d9dd1206d95ab24d8174eb9be98759
              • MD5 SHA1 SHA512

              memory/1028-0-0x0000000000400000-0x000000000043E000-memory.dmp

              memory/1028-9-0x0000000000400000-0x000000000043E000-memory.dmp

              memory/1028-3204-0x0000000000400000-0x000000000043E000-memory.dmp

              memory/1028-4079-0x0000000000400000-0x000000000043E000-memory.dmp

              memory/1152-5-0x0000000002A20000-0x0000000002A21000-memory.dmp