Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 01:23

General

  • Target

    documento de envio para fatura nº 52-FK-24.pdf.scr

  • Size

    660KB

  • MD5

    2f259ff8ae0f320abb13417929e10500

  • SHA1

    ec02c62d9850589093716dbfb645be6e9aa35b5f

  • SHA256

    f207f360f60925ba6e949a315ac35e01ef7190993146fdad3aa1d27b2c9bb776

  • SHA512

    ee4e5a1a9a08cf6aeab8eefe64b0051292614ac07e856d987c99ef1d4836ad6c0a31386b45b319aa56775e0d9e1d25928cf9cadce43c380af8e9e402e9c6bb99

  • SSDEEP

    12288:7Df8n+GNns0+nZJgcC4eOcth7ZqUlmmN0KHiZ/75S+pO6wtPXHuhkR:Q+ib+Tgvh7UuRCZDNpQ+8

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alitextile.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Myname@321

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 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 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr
    "C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr" /S
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2400
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PWdnQUQIF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4704
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PWdnQUQIF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAA88.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4976
    • C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr
      "C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr"
      2⤵
        PID:3760
      • C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr
        "C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr"
        2⤵
          PID:936
        • C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr
          "C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr"
          2⤵
            PID:4392
          • C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr
            "C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr"
            2⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:4028

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          968cb9309758126772781b83adb8a28f

          SHA1

          8da30e71accf186b2ba11da1797cf67f8f78b47c

          SHA256

          92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

          SHA512

          4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

          Filesize

          18KB

          MD5

          5864607c06590da8e6c0ee13cab83982

          SHA1

          fc676195655d361d5a44ad0e82f7ac4509dc9e93

          SHA256

          f2bea91abb9bf9e3a7ae1f7166c73b629e5e7bf14ed9c16d4c45f5fcf9e90a1f

          SHA512

          deb8a80601871da38667025ca85449d9249f969c524a707e936fd731d80b83f2a2104ec92c7c139584d1aa5afd141dd39ba1e78b0207baeea6d1c9c0fe480dc3

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jxtrdxkd.55t.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmpAA88.tmp

          Filesize

          1KB

          MD5

          1d407df9ebb60c23ba82a05511be2da9

          SHA1

          16530f0c296dd2635a68f41c15594536a46a1574

          SHA256

          8b74947ee1c96bc78d63f1dd99ef62e4855ba70ef9b2ada0d2a2656bc5a0d85f

          SHA512

          c74be60feca97ee1a59834ae4cf14c8b3962590d7595c032eec067ebc9a2e640663c3027dc5a5cc0fee99f49f1b109151d67246c8c07f4a0f8030b1cb91c14fa

        • memory/1668-8-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/1668-4-0x0000000004DF0000-0x0000000004DFA000-memory.dmp

          Filesize

          40KB

        • memory/1668-6-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

          Filesize

          64KB

        • memory/1668-7-0x000000007486E000-0x000000007486F000-memory.dmp

          Filesize

          4KB

        • memory/1668-5-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/1668-9-0x00000000062D0000-0x0000000006354000-memory.dmp

          Filesize

          528KB

        • memory/1668-10-0x0000000008870000-0x000000000890C000-memory.dmp

          Filesize

          624KB

        • memory/1668-3-0x0000000004C40000-0x0000000004CD2000-memory.dmp

          Filesize

          584KB

        • memory/1668-0-0x000000007486E000-0x000000007486F000-memory.dmp

          Filesize

          4KB

        • memory/1668-2-0x0000000005110000-0x00000000056B4000-memory.dmp

          Filesize

          5.6MB

        • memory/1668-50-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/1668-1-0x00000000001E0000-0x0000000000288000-memory.dmp

          Filesize

          672KB

        • memory/2400-17-0x0000000005010000-0x0000000005638000-memory.dmp

          Filesize

          6.2MB

        • memory/2400-81-0x0000000007370000-0x000000000738A000-memory.dmp

          Filesize

          104KB

        • memory/2400-22-0x0000000004DE0000-0x0000000004E46000-memory.dmp

          Filesize

          408KB

        • memory/2400-29-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/2400-67-0x000000006F7D0000-0x000000006F81C000-memory.dmp

          Filesize

          304KB

        • memory/2400-30-0x0000000005740000-0x0000000005A94000-memory.dmp

          Filesize

          3.3MB

        • memory/2400-89-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/2400-21-0x0000000004D40000-0x0000000004D62000-memory.dmp

          Filesize

          136KB

        • memory/2400-15-0x00000000023E0000-0x0000000002416000-memory.dmp

          Filesize

          216KB

        • memory/2400-16-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/2400-23-0x0000000004E50000-0x0000000004EB6000-memory.dmp

          Filesize

          408KB

        • memory/2400-80-0x0000000007270000-0x0000000007284000-memory.dmp

          Filesize

          80KB

        • memory/2400-18-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/4028-48-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/4028-90-0x0000000006540000-0x0000000006590000-memory.dmp

          Filesize

          320KB

        • memory/4704-62-0x00000000069E0000-0x00000000069FE000-memory.dmp

          Filesize

          120KB

        • memory/4704-51-0x0000000007600000-0x0000000007632000-memory.dmp

          Filesize

          200KB

        • memory/4704-65-0x0000000007750000-0x000000000776A000-memory.dmp

          Filesize

          104KB

        • memory/4704-64-0x0000000007D90000-0x000000000840A000-memory.dmp

          Filesize

          6.5MB

        • memory/4704-66-0x00000000077C0000-0x00000000077CA000-memory.dmp

          Filesize

          40KB

        • memory/4704-52-0x000000006F7D0000-0x000000006F81C000-memory.dmp

          Filesize

          304KB

        • memory/4704-77-0x00000000079D0000-0x0000000007A66000-memory.dmp

          Filesize

          600KB

        • memory/4704-78-0x0000000007950000-0x0000000007961000-memory.dmp

          Filesize

          68KB

        • memory/4704-79-0x0000000007980000-0x000000000798E000-memory.dmp

          Filesize

          56KB

        • memory/4704-63-0x0000000007640000-0x00000000076E3000-memory.dmp

          Filesize

          652KB

        • memory/4704-47-0x0000000006980000-0x00000000069CC000-memory.dmp

          Filesize

          304KB

        • memory/4704-82-0x0000000007A70000-0x0000000007A78000-memory.dmp

          Filesize

          32KB

        • memory/4704-46-0x0000000006400000-0x000000000641E000-memory.dmp

          Filesize

          120KB

        • memory/4704-88-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/4704-19-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/4704-31-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/4704-20-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB