Resubmissions

30/01/2023, 22:59

230130-2ywlzaeg4t 9

30/01/2023, 22:57

230130-2xmmnsdb52 9

Analysis

  • max time kernel
    14s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30/01/2023, 22:57

General

  • Target

    Moon_Loader.exe

  • Size

    3.8MB

  • MD5

    9e940f877a6735dc198f7544593501ce

  • SHA1

    572e13a873f6d309ea1933df8025ca19ba9ec4fc

  • SHA256

    e20e764738d081f3f9b134dd6224aab6265a15055e45895d5c666f694bbc11e8

  • SHA512

    199e70532831177a00ca56ac7ac7823abe73890005c3a8aa03894128116c12fe04701c92df5cd57bb46d944ba50e327a5d07342b62fe3363db5f7315e89e9f63

  • SSDEEP

    98304:QAFEqpT0W2hCCM5zkXfxST8BmI03r8yY0eGXnekCOzAs:QmpT0W2hCd5QXJSTuNSQyfegekDzJ

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.

  • Themida packer 6 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Moon_Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Moon_Loader.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c taskkill /f /im svchost.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Windows\system32\taskkill.exe
        taskkill /f /im svchost.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1572

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/536-54-0x000000013F1D0000-0x000000013FBF2000-memory.dmp

    Filesize

    10.1MB

  • memory/536-55-0x000000013F1D0000-0x000000013FBF2000-memory.dmp

    Filesize

    10.1MB

  • memory/536-56-0x000000013F1D0000-0x000000013FBF2000-memory.dmp

    Filesize

    10.1MB

  • memory/536-57-0x000000013F1D0000-0x000000013FBF2000-memory.dmp

    Filesize

    10.1MB

  • memory/536-58-0x00000000773E0000-0x0000000077589000-memory.dmp

    Filesize

    1.7MB

  • memory/536-59-0x000000013F1D0000-0x000000013FBF2000-memory.dmp

    Filesize

    10.1MB

  • memory/536-62-0x000000013F1D0000-0x000000013FBF2000-memory.dmp

    Filesize

    10.1MB

  • memory/536-63-0x00000000773E0000-0x0000000077589000-memory.dmp

    Filesize

    1.7MB