Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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, 00:15

General

  • Target
    d91d6711da5c6ec1f29a1cf9c2241d87f08c3830a349aa4ed5eb2dbed6d0ab08.exe
  • Size 87KB
  • Sample241110-akbabstrh1
  • SHA256 d91d6711da5c6ec1f29a1cf9c2241d87f08c3830a349aa4ed5eb2dbed6d0ab08
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • 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.

  • 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.

  • 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:3436
      • C:\Users\Admin\AppData\Local\Temp\d91d6711da5c6ec1f29a1cf9c2241d87f08c3830a349aa4ed5eb2dbed6d0ab08.exe
        "C:\Users\Admin\AppData\Local\Temp\d91d6711da5c6ec1f29a1cf9c2241d87f08c3830a349aa4ed5eb2dbed6d0ab08.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:836
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3884
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4400
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a7BA8.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1676
          • C:\Users\Admin\AppData\Local\Temp\d91d6711da5c6ec1f29a1cf9c2241d87f08c3830a349aa4ed5eb2dbed6d0ab08.exe
            "C:\Users\Admin\AppData\Local\Temp\d91d6711da5c6ec1f29a1cf9c2241d87f08c3830a349aa4ed5eb2dbed6d0ab08.exe"
            4⤵
            • Executes dropped EXE
            PID:4508
        • 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:4856
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • 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"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1236
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4936
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4116

    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 251KB
          • SHA256 68309d1c6fa8dda2d2ff3aaf12ae90297e2e1b0dfc0584c85d0607a8d463a26b
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Program Files\7-Zip\7z.exe
          • Size 577KB
          • SHA256 8582ff82b3f7bfa3232ac60a14ab59d50dec8c57a9c7d47413be11ffc23c36c9
          • 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 643KB
          • SHA256 615086abf4d14c6328dabdb7c9ab15008efc61a4fca66274f73529c276f6db65
          • MD5 SHA1 SHA512 SSDEEP

          $$a7BA8.bat

          • Path C:\Users\Admin\AppData\Local\Temp\$$a7BA8.bat
          • Size 722B
          • SHA256 bf9405f79d89c1570184bba89307850c22e8b371d8e89bc38ea0078b2c3614a2
          • MD5 SHA1 SHA512

          d91d6711da5c6ec1f29a1cf9c2241d87f08c3830a349aa4ed5eb2dbed6d0ab08.exe.exe

          • Path C:\Users\Admin\AppData\Local\Temp\d91d6711da5c6ec1f29a1cf9c2241d87f08c3830a349aa4ed5eb2dbed6d0ab08.exe.exe
          • Size 53KB
          • SHA256 fcfdb5e2601430a674f599e054f65471e42cb18f8484aa8d8eb38f0c6f4e9c6d
          • MD5 SHA1 SHA512 SSDEEP

          Logo1_.exe

          • Path C:\Windows\Logo1_.exe
          • Size 33KB
          • SHA256 5367a74fadfdb8b7a28120e69edfffbe94b1e7c0757fa55e58d1501ccdfe3d37
          • MD5 SHA1 SHA512 SSDEEP

          _desktop.ini

          • Path F:\$RECYCLE.BIN\S-1-5-21-3350944739-639801879-157714471-1000\_desktop.ini
          • Size 10B
          • SHA256 a48a9bee0ea1d148d80a848e506f13606a80f84e7f4fa4a3ceeb0f47eab1bf40
          • MD5 SHA1 SHA512

          memory/836-11-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/836-0-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/4856-18-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/4856-3048-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/4856-8-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/4856-8758-0x0000000000400000-0x000000000043F000-memory.dmp