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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2024, 01:07

General

  • Target

    16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe

  • Size

    932KB

  • MD5

    aa35929ae8e296cc78e754314e6f828e

  • SHA1

    3fa475c0f5ba23ae2fdc4306dea04391363d20d2

  • SHA256

    16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb

  • SHA512

    36394f415fcf3d7aa212cc49aae754424422f513678e631300bc75c335f8843dbb64d3baabc39f757f9618beb95ee9df275b8ba97e854e4b5f2dd5aa9df1ba31

  • SSDEEP

    12288:deJ/sIKjehsimOMt+oNUg4nIrvSKCSJs+i4xv6RiMeV/3oBWlHAAdlGloNJqTab:YWimXbnmKrvhUs4w1xd5q

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Oola123@

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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
  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe
    "C:\Users\Admin\AppData\Local\Temp\16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe"
    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:4892
    • 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\16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5004
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uLGWntjlS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5092
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uLGWntjlS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp360F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4952
    • C:\Users\Admin\AppData\Local\Temp\16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe
      "C:\Users\Admin\AppData\Local\Temp\16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe"
      2⤵
        PID:4240
      • C:\Users\Admin\AppData\Local\Temp\16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe
        "C:\Users\Admin\AppData\Local\Temp\16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:4912

    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

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

      Filesize

      18KB

      MD5

      db47c5c05e8d82593411305e965621fe

      SHA1

      41ef0a6c290dd0da975f5367312583ffcdaff1f9

      SHA256

      230aff6ada2774947a96e18210beefbe348bfa7a9b3ee9f7ebcc79ca2cb510a6

      SHA512

      d00192668589b96ece7d01ee8a36a209921486d28e2cb3ce738fb36a6d5c77b7a8e6d9d90dd7b913c23c68ca8ec6f3d933b81e8ee360c66fc7d12ff344754ba2

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ezo1df4.0ja.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp360F.tmp

      Filesize

      1KB

      MD5

      56aa0d246f64ce5cca0cc916c73fc999

      SHA1

      a7b522121f946a490bf4c76676d75233ea60cc59

      SHA256

      a96e8489dbb2882ad499710098335c4346512344788285725d9452df1a3dbb46

      SHA512

      915f16627f537c634cf75e8dd4e88dfad8f1183ab5c61f59aed12523741e5d31bf8fe389f5c2a4fce21ef9767f7cb3d9a66ec01083a05775dca7516f3c141b81

    • memory/4892-8-0x0000000005A10000-0x0000000005BB6000-memory.dmp

      Filesize

      1.6MB

    • memory/4892-2-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/4892-6-0x0000000004F70000-0x0000000004FA8000-memory.dmp

      Filesize

      224KB

    • memory/4892-7-0x0000000004C80000-0x0000000004C8E000-memory.dmp

      Filesize

      56KB

    • memory/4892-48-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/4892-9-0x0000000005780000-0x000000000578E000-memory.dmp

      Filesize

      56KB

    • memory/4892-10-0x00000000746EE000-0x00000000746EF000-memory.dmp

      Filesize

      4KB

    • memory/4892-11-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/4892-12-0x0000000005790000-0x000000000579C000-memory.dmp

      Filesize

      48KB

    • memory/4892-13-0x00000000067A0000-0x0000000006816000-memory.dmp

      Filesize

      472KB

    • memory/4892-14-0x0000000008E80000-0x0000000008F1C000-memory.dmp

      Filesize

      624KB

    • memory/4892-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

      Filesize

      4KB

    • memory/4892-1-0x0000000000010000-0x0000000000100000-memory.dmp

      Filesize

      960KB

    • memory/4892-5-0x0000000004C70000-0x0000000004C78000-memory.dmp

      Filesize

      32KB

    • memory/4892-4-0x0000000004C90000-0x0000000004D22000-memory.dmp

      Filesize

      584KB

    • memory/4892-24-0x0000000004510000-0x0000000004542000-memory.dmp

      Filesize

      200KB

    • memory/4892-3-0x0000000005160000-0x0000000005704000-memory.dmp

      Filesize

      5.6MB

    • memory/4912-26-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/4912-90-0x0000000006B40000-0x0000000006B4A000-memory.dmp

      Filesize

      40KB

    • memory/4912-89-0x0000000008640000-0x0000000008690000-memory.dmp

      Filesize

      320KB

    • memory/4912-55-0x00000000056F0000-0x0000000005708000-memory.dmp

      Filesize

      96KB

    • memory/5004-23-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/5004-96-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/5004-20-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/5004-19-0x0000000005380000-0x00000000053B6000-memory.dmp

      Filesize

      216KB

    • memory/5004-87-0x0000000007FA0000-0x0000000007FA8000-memory.dmp

      Filesize

      32KB

    • memory/5004-69-0x0000000071DE0000-0x0000000071E2C000-memory.dmp

      Filesize

      304KB

    • memory/5004-47-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/5092-28-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/5092-54-0x0000000006590000-0x00000000065DC000-memory.dmp

      Filesize

      304KB

    • memory/5092-53-0x00000000061B0000-0x00000000061CE000-memory.dmp

      Filesize

      120KB

    • memory/5092-57-0x0000000071DE0000-0x0000000071E2C000-memory.dmp

      Filesize

      304KB

    • memory/5092-56-0x0000000007180000-0x00000000071B2000-memory.dmp

      Filesize

      200KB

    • memory/5092-67-0x00000000067C0000-0x00000000067DE000-memory.dmp

      Filesize

      120KB

    • memory/5092-68-0x00000000073C0000-0x0000000007463000-memory.dmp

      Filesize

      652KB

    • memory/5092-27-0x0000000005210000-0x0000000005232000-memory.dmp

      Filesize

      136KB

    • memory/5092-79-0x0000000007B40000-0x00000000081BA000-memory.dmp

      Filesize

      6.5MB

    • memory/5092-80-0x0000000007500000-0x000000000751A000-memory.dmp

      Filesize

      104KB

    • memory/5092-81-0x0000000007570000-0x000000000757A000-memory.dmp

      Filesize

      40KB

    • memory/5092-82-0x0000000007780000-0x0000000007816000-memory.dmp

      Filesize

      600KB

    • memory/5092-83-0x0000000007700000-0x0000000007711000-memory.dmp

      Filesize

      68KB

    • memory/5092-84-0x0000000007730000-0x000000000773E000-memory.dmp

      Filesize

      56KB

    • memory/5092-85-0x0000000007740000-0x0000000007754000-memory.dmp

      Filesize

      80KB

    • memory/5092-86-0x0000000007840000-0x000000000785A000-memory.dmp

      Filesize

      104KB

    • memory/5092-41-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/5092-40-0x0000000005CC0000-0x0000000006014000-memory.dmp

      Filesize

      3.3MB

    • memory/5092-29-0x00000000052B0000-0x0000000005316000-memory.dmp

      Filesize

      408KB

    • memory/5092-35-0x00000000053D0000-0x0000000005436000-memory.dmp

      Filesize

      408KB

    • memory/5092-25-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/5092-22-0x0000000005450000-0x0000000005A78000-memory.dmp

      Filesize

      6.2MB

    • memory/5092-97-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB