Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    01/09/2024, 21:32

General

  • Target
    Trusteer.exe
  • Size 3.3MB
  • Sample240901-1dp31sshna
  • SHA256 2ad801c4a4f232b02c940858d69c3d3608c6df1606b73c76494e1d7d0d30e761
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Trusteer.exe
    "C:\Users\Admin\AppData\Local\Temp\Trusteer.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\Trusteer.exe
      "C:\Users\Admin\AppData\Local\Temp\Trusteer.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2284
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        3⤵
        • Executes dropped EXE
        PID:112

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        GetX64BTIT.exe

        • Path C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        • Size 3KB
        • SHA256 91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581
        • MD5 SHA1 SHA512

        x64btit.txt

        • Path C:\Users\Admin\AppData\Local\Temp\x64btit.txt
        • Size 28B
        • SHA256 bec066549ee9e85b3e045eb9c5bf568f3667029daa2f13a6a5e4b8e1257272e9
        • MD5 SHA1 SHA512

        memory/1628-0-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-1-0x0000000077370000-0x0000000077372000-memory.dmp

        memory/1628-4-0x0000000002BF0000-0x0000000002BF1000-memory.dmp

        memory/1628-3-0x0000000002B30000-0x0000000002B31000-memory.dmp

        memory/1628-2-0x0000000002A00000-0x0000000002A02000-memory.dmp

        memory/1628-5-0x00000000008D0000-0x00000000008D1000-memory.dmp

        memory/1628-6-0x0000000002D60000-0x0000000002D61000-memory.dmp

        memory/1628-7-0x00000000008C0000-0x00000000008C1000-memory.dmp

        memory/1628-8-0x0000000002B10000-0x0000000002B11000-memory.dmp

        memory/1628-9-0x0000000002D50000-0x0000000002D51000-memory.dmp

        memory/1628-10-0x00000000008B0000-0x00000000008B1000-memory.dmp

        memory/1628-11-0x0000000000850000-0x0000000000851000-memory.dmp

        memory/1628-12-0x0000000000860000-0x0000000000861000-memory.dmp

        memory/1628-13-0x0000000000840000-0x0000000000841000-memory.dmp

        memory/1628-14-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-15-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-16-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-17-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-18-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-19-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-20-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-21-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-22-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-23-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-24-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-25-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-26-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-39-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/1628-62-0x0000000005530000-0x00000000060AE000-memory.dmp

        memory/2284-35-0x0000000000400000-0x0000000000456000-memory.dmp

        memory/2284-42-0x0000000000160000-0x00000000001FF000-memory.dmp

        memory/2284-41-0x0000000000400000-0x0000000000456000-memory.dmp

        memory/2284-40-0x00000000008E0000-0x000000000145E000-memory.dmp

        memory/2284-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2284-32-0x0000000000400000-0x0000000000456000-memory.dmp

        memory/2284-31-0x0000000000400000-0x0000000000456000-memory.dmp

        memory/2284-30-0x0000000000400000-0x0000000000456000-memory.dmp

        memory/2284-38-0x0000000000400000-0x0000000000456000-memory.dmp

        memory/2284-29-0x0000000000400000-0x0000000000456000-memory.dmp

        memory/2284-28-0x0000000000400000-0x0000000000456000-memory.dmp

        memory/2284-27-0x0000000000400000-0x0000000000456000-memory.dmp

        memory/2284-44-0x0000000000160000-0x00000000001FF000-memory.dmp

        memory/2284-43-0x0000000000160000-0x00000000001FF000-memory.dmp

        memory/2284-45-0x0000000000160000-0x00000000001FF000-memory.dmp

        memory/2284-47-0x0000000000160000-0x00000000001FF000-memory.dmp

        memory/2284-46-0x0000000000160000-0x00000000001FF000-memory.dmp

        memory/2284-55-0x0000000010000000-0x0000000010015000-memory.dmp

        memory/2284-59-0x0000000000160000-0x00000000001FF000-memory.dmp

        memory/2284-60-0x0000000000160000-0x00000000001FF000-memory.dmp

        memory/2284-57-0x0000000000080000-0x000000000009E000-memory.dmp

        memory/2284-61-0x0000000000160000-0x00000000001FF000-memory.dmp

        memory/2284-63-0x0000000000160000-0x00000000001FF000-memory.dmp

        memory/2284-64-0x0000000000160000-0x00000000001FF000-memory.dmp