Resubmissions

31/01/2024, 16:07

240131-tkv5aagah27

31/01/2024, 15:13

240131-slqeragffq7

Analysis

  • max time kernel
    285s
  • max time network
    298s
  • platform
    windows10-1703_x64
  • resource
    win10-20231215-en
  • resource tags

    arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
  • submitted
    31/01/2024, 16:07

General

  • Target
    doomday.msi
  • Size 3.7MB
  • Sample240131-tkv5aagah2
  • SHA256 ea673e0e6986e41a73c19dd2a9cfde3d2d4186ef52c23c1253dde2d54faca7b3
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Windows directory 11 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 AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\doomday.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4712
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4592
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:212
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 80EA71D9BFDC02A98E1B5F665636AF83
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3648
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        PID:4908
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        PID:4528
      • C:\Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\files\apdproxy.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\files\apdproxy.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2256
        • \??\c:\temp\Autoit3.exe
          "c:\temp\Autoit3.exe" c:\temp\script.au3
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          PID:3924
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\." /SETINTEGRITYLEVEL (CI)(OI)LOW
        3⤵
        • Modifies file permissions
        PID:2124
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4500

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        files.cab

        • Path C:\Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\files.cab
        • Size 3.4MB
        • SHA256 b860f09732fad08ddb048b0322bc5df1a61fe7859dd91f6ca769a972bac4f5f3
        • MD5 SHA1 SHA512 SSDEEP

        MSVCR71.dll

        • Path C:\Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\files\MSVCR71.dll
        • Size 340KB
        • SHA256 8094af5ee310714caebccaeee7769ffb08048503ba478b879edfef5f1a24fefe
        • MD5 SHA1 SHA512 SSDEEP

        apdboot.dll

        • Path C:\Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\files\apdboot.dll
        • Size 931KB
        • SHA256 51d197826bb62d23d4d926c914409ea8c66de149418cdd43137ddf1cafffe347
        • MD5 SHA1 SHA512 SSDEEP

        apdproxy.exe

        • Path C:\Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\files\apdproxy.exe
        • Size 62KB
        • SHA256 a16b93c374e77f98889d7ad7f38b2282dbc5a40511541b9105b1dcf9216c3cf3
        • MD5 SHA1 SHA512 SSDEEP

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\files\sqlite3.dll
        • Size 1.6MB
        • SHA256 b6c0d1c8dfb907ce2d5bc7e493cfb1c5e1940f200475327dded1d3390c1d5c96
        • MD5 SHA1 SHA512 SSDEEP

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\msiwrapper.ini
        • Size 1KB
        • SHA256 eab393e8dc0fa3ed519ad675c95244a1603ae5da44cf8d88cde56195c6e8c299
        • MD5 SHA1 SHA512

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\msiwrapper.ini
        • Size 396B
        • SHA256 6a7a29c081618688e88ad1a49fca073c4c43cf484a9f45743111e1fdc19c76bf
        • MD5 SHA1 SHA512

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\msiwrapper.ini
        • Size 1KB
        • SHA256 d3b741263ccc81ac8821db1248bd66771b9e25fc5b53b7bf647573d2edbdd986
        • MD5 SHA1 SHA512

        MSI5714.tmp

        • Path C:\Windows\Installer\MSI5714.tmp
        • Size 208KB
        • SHA256 107b32c5b789be9893f24d5bfe22633d25b7a3cae80082ef37b30e056869cc5c
        • MD5 SHA1 SHA512 SSDEEP

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 25.0MB
        • SHA256 fee611aaf41781e173b5c5c247b280213bda58bae8f51f1b6af0a340cd4d7cc3
        • MD5 SHA1 SHA512 SSDEEP

        {2444fc0f-b8ca-4a34-81a9-49924252ee92}_OnDiskSnapshotProp

        • Path \??\Volume{11f480d7-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{2444fc0f-b8ca-4a34-81a9-49924252ee92}_OnDiskSnapshotProp
        • Size 5KB
        • SHA256 faab3b9505a63af2035c18e45b307141109069c0c26d413e88a5bc0b685f2ef3
        • MD5 SHA1 SHA512 SSDEEP

        Autoit3.exe

        • Path \??\c:\temp\Autoit3.exe
        • Size 872KB
        • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
        • MD5 SHA1 SHA512 SSDEEP

        script.au3

        • Path \??\c:\temp\script.au3
        • Size 595KB
        • SHA256 64e1563ceef99893a1fe4ba93cd38763a68f2db5537545a08061e83af9fe299b
        • MD5 SHA1 SHA512 SSDEEP

        test.txt

        • Path \??\c:\temp\test.txt
        • Size 76B
        • SHA256 99426e8b0d9b6366436d7db6883c98d6a8c2e5825b13a167a0c7495494182276
        • MD5 SHA1 SHA512

        msvcp71.dll

        • Path \Users\Admin\AppData\Local\Temp\MW-6a3e3163-26cd-45a3-85ce-bc24686dc038\files\msvcp71.dll
        • Size 488KB
        • SHA256 df96156f6a548fd6fe5672918de5ae4509d3c810a57bffd2a91de45a3ed5b23b
        • MD5 SHA1 SHA512 SSDEEP

        memory/2256-102-0x00000000025C0000-0x0000000002764000-memory.dmp

        memory/2256-101-0x0000000072130000-0x0000000072224000-memory.dmp

        memory/2256-97-0x00000000025C0000-0x0000000002764000-memory.dmp

        memory/3924-113-0x0000000006080000-0x00000000063CE000-memory.dmp

        memory/3924-112-0x00000000049C0000-0x0000000005990000-memory.dmp

        memory/3924-114-0x0000000006080000-0x00000000063CE000-memory.dmp