Resubmissions

02/06/2025, 23:08

250602-24hx3aek6z

02/06/2025, 22:44

250602-2pacdabk2110

Analysis

  • max time kernel
    148s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250502-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2025, 22:44

General

  • Target
    uploaded/70e835f3140dc2fbc211273727a8a8b4d.exe
  • Size 489KB
  • Sample250602-2pacdabk21
  • SHA256 aae4696fa35c74a7aa3e9b75ae37d4ffa9a81f64bf647c801252f3abb29c21d8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uploaded\70e835f3140dc2fbc211273727a8a8b4d.exe
    "C:\Users\Admin\AppData\Local\Temp\uploaded\70e835f3140dc2fbc211273727a8a8b4d.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Program Files (x86)\Zango\zango.exe
      C:\Program Files (x86)\Zango\zango.exe /did=004144 /DID=004144 /bpu=y
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2820
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c c:\program files (x86)\zango\zango.exe
    1⤵
      PID:1600

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          zango.exe

          • Path C:\Program Files (x86)\Zango\zango.exe
          • Size 606KB
          • SHA256 fc5699ac65bd88ec11eb5fc79890fbcd7d952e93f38ef94f1848ba38dd8b216f
          • MD5 SHA1 SHA512 SSDEEP

          180E8CA.mht

          • Path C:\Users\Admin\AppData\Local\Temp\180E8CA.mht
          • Size 7KB
          • SHA256 e0357ae70c1f8b6365bbaa20adfeabd63fa5cd0673e4c9ec71e26e03e00381e7
          • MD5 SHA1 SHA512 SSDEEP

          clientax.dll

          • Path C:\Users\Admin\AppData\Local\Temp\clientax.dll
          • Size 796KB
          • SHA256 bbd4ac5549635ec0870f0d068d865e4dab893bbf4cc57301403d0c24966f9c1b
          • MD5 SHA1 SHA512 SSDEEP

          360e9316558dc5fc61c74119e7e1abb7_19c0db82-0fb5-4d49-b9d4-7acccba1985f

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3623617754-4043701611-775564599-1000\360e9316558dc5fc61c74119e7e1abb7_19c0db82-0fb5-4d49-b9d4-7acccba1985f
          • Size 68B
          • SHA256 0324e28fabee037dd3a0b41147a30242b7c8c06d6c39e7d6fc20e342c93c4a5e
          • MD5 SHA1 SHA512

          ClientAX.dll

          • Path C:\Windows\Downloaded Program Files\ClientAX.dll
          • Size 796KB
          • SHA256 b5feb6da59e6b56e666d6bbd591078f19e3391bc3311687bb8a0415d017fa263
          • MD5 SHA1 SHA512 SSDEEP

          clientax.inf

          • Path C:\Windows\Downloaded Program Files\clientax.inf
          • Size 229B
          • SHA256 b8b93f706f83f93fcda3a8c24a8092f733128b3a5d3d08d4689e53590f3b485b
          • MD5 SHA1 SHA512

          memory/2820-39-0x0000000000400000-0x0000000000545000-memory.dmp

          memory/2820-61-0x0000000000400000-0x0000000000545000-memory.dmp

          memory/2820-62-0x0000000000400000-0x0000000000545000-memory.dmp