Resubmissions

17-01-2021 19:18

210117-5hwxlye88x 10

17-01-2021 17:05

210117-6jkt8jz44e 10

17-01-2021 10:25

210117-ncy8vksfgn 10

Analysis

  • max time kernel
    19s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    17-01-2021 10:25

General

  • Target

    165ec181ff15e423abd3aa500bea857faf12fa34b4d53618028bd7a69af2eb71.exe

  • Size

    1.9MB

  • MD5

    1609f54906b28c1017f73c13d07ce375

  • SHA1

    f7c1e2edd6235874dd8a4794fcbae1702135a7c5

  • SHA256

    165ec181ff15e423abd3aa500bea857faf12fa34b4d53618028bd7a69af2eb71

  • SHA512

    00f7fcb43e7aa1b38c2eef46b1f6f14c43b9d421762082ca4cdc953dc7a370f26d31935b2e1871fd691ebd872ab5bb5619e44e6a7b035d692586fcb50a3f7c06

Score
9/10

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.

  • 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\165ec181ff15e423abd3aa500bea857faf12fa34b4d53618028bd7a69af2eb71.exe
    "C:\Users\Admin\AppData\Local\Temp\165ec181ff15e423abd3aa500bea857faf12fa34b4d53618028bd7a69af2eb71.exe"
    1⤵
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\uyumocink.exe"
      2⤵
        PID:1372
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\efmkpnjal.exe"
        2⤵
          PID:908

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/2848-2-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

        Filesize

        4KB

      • memory/2848-3-0x00000000054C0000-0x00000000054C1000-memory.dmp

        Filesize

        4KB