Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    02/01/2022, 17:56

General

  • Target
    e25e21d645707e65ba0b10be9b42efcbd146602cbb222.exe
  • Size 2.5MB
  • Sample220102-wh1yvsafe2
  • SHA256 e25e21d645707e65ba0b10be9b42efcbd146602cbb222c9504a9d4ef8239bc11
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e25e21d645707e65ba0b10be9b42efcbd146602cbb222.exe
    "C:\Users\Admin\AppData\Local\Temp\e25e21d645707e65ba0b10be9b42efcbd146602cbb222.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:628

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/628-67-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/628-68-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/628-72-0x0000000002470000-0x0000000002471000-memory.dmp

        memory/628-61-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/628-70-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/628-60-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/628-71-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1608-55-0x0000000000B90000-0x0000000000E3B000-memory.dmp

        memory/1608-54-0x0000000076C61000-0x0000000076C63000-memory.dmp

        memory/1608-58-0x0000000000B90000-0x0000000000E3B000-memory.dmp

        memory/1608-59-0x0000000000B90000-0x0000000000E3B000-memory.dmp

        memory/1608-57-0x0000000000B90000-0x0000000000E3B000-memory.dmp

        memory/1608-56-0x0000000000B90000-0x0000000000E3B000-memory.dmp