Resubmissions

11-12-2024 15:32

241211-sy44nssrdm 10

09-08-2024 21:57

240809-1t1vfs1cpm 10

06-08-2024 13:01

240806-p9f97szdlm 10

06-08-2024 12:52

240806-p3672stdkg 10

06-08-2024 12:29

240806-ppa8fsygqr 10

06-08-2024 12:26

240806-pmc92ashlh 10

Analysis

  • max time kernel
    42s
  • max time network
    37s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-08-2024 13:01

General

  • Target

    1/0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

  • Size

    678KB

  • MD5

    c229261d7e8c8524dd25f7bc58edddf8

  • SHA1

    781d106f3aa60c392f039968ae45c53f78890871

  • SHA256

    0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd

  • SHA512

    be05a39499b86bfcb30725fd277502f026b29b205bb657d8303b55d9b8e0ae6d4bfb507153d77229871df32d4608a5b8b3bdb1e783f12db2541e48a73fd2891c

  • SSDEEP

    12288:8S2iNbczDLej8zhAA3Crp4mIjYBTBIE5Vmmah9di01DRzqICQlzCDmXPIPe:8S1ZcXh9IuMZBIEHlg9s01D71lzCDmXS

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bonnyriggdentalsurgery.com.au
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Sages101*

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 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 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
    "C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.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:4068
    • 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\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4740
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yZxVRz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2600
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yZxVRz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD84F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4884
    • C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
      "C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
      2⤵
        PID:2304
      • C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
        "C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
        2⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4180

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x51k2nuo.m1h.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpD84F.tmp

      Filesize

      1KB

      MD5

      67aed3abd8f315f5d24c82fc2ad64b79

      SHA1

      8219d865f8ef7660bc8909ee36a7272108ac66d3

      SHA256

      90fdcfd7fd02b4fad04f1f594446069a5a35c9603b8799a15681c61bed15cc6f

      SHA512

      57c5809269a9d707bef2f61ae4d44dca8f0b7839a2f8f921ec29ddf1b353c4f8247b39cbaee667f9f7ad4edbe63b0e4892c200ebd1e0e917a0ba2a7057bbcc76

    • memory/2600-81-0x00000000073C0000-0x00000000073DA000-memory.dmp

      Filesize

      104KB

    • memory/2600-74-0x00000000076D0000-0x0000000007D4A000-memory.dmp

      Filesize

      6.5MB

    • memory/2600-62-0x0000000006390000-0x00000000063AE000-memory.dmp

      Filesize

      120KB

    • memory/2600-50-0x00000000060C0000-0x000000000610C000-memory.dmp

      Filesize

      304KB

    • memory/2600-20-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/2600-39-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/2600-52-0x0000000070AA0000-0x0000000070AEC000-memory.dmp

      Filesize

      304KB

    • memory/2600-63-0x0000000006F60000-0x0000000007003000-memory.dmp

      Filesize

      652KB

    • memory/2600-29-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/2600-75-0x0000000007080000-0x000000000709A000-memory.dmp

      Filesize

      104KB

    • memory/2600-76-0x00000000070F0000-0x00000000070FA000-memory.dmp

      Filesize

      40KB

    • memory/2600-85-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/2600-51-0x0000000006320000-0x0000000006352000-memory.dmp

      Filesize

      200KB

    • memory/2600-49-0x0000000005CB0000-0x0000000005CCE000-memory.dmp

      Filesize

      120KB

    • memory/4068-9-0x0000000006560000-0x00000000065E4000-memory.dmp

      Filesize

      528KB

    • memory/4068-28-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/4068-4-0x0000000004D20000-0x0000000004D2A000-memory.dmp

      Filesize

      40KB

    • memory/4068-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

      Filesize

      4KB

    • memory/4068-2-0x00000000052F0000-0x0000000005894000-memory.dmp

      Filesize

      5.6MB

    • memory/4068-1-0x0000000000270000-0x0000000000320000-memory.dmp

      Filesize

      704KB

    • memory/4068-10-0x00000000067E0000-0x000000000687C000-memory.dmp

      Filesize

      624KB

    • memory/4068-5-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/4068-3-0x0000000004DE0000-0x0000000004E72000-memory.dmp

      Filesize

      584KB

    • memory/4068-8-0x0000000006500000-0x000000000650E000-memory.dmp

      Filesize

      56KB

    • memory/4068-7-0x0000000005DA0000-0x0000000005DB0000-memory.dmp

      Filesize

      64KB

    • memory/4068-6-0x0000000005DD0000-0x00000000062FC000-memory.dmp

      Filesize

      5.2MB

    • memory/4180-88-0x0000000006B50000-0x0000000006BA0000-memory.dmp

      Filesize

      320KB

    • memory/4180-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4740-15-0x0000000002E70000-0x0000000002EA6000-memory.dmp

      Filesize

      216KB

    • memory/4740-21-0x0000000005ED0000-0x0000000005EF2000-memory.dmp

      Filesize

      136KB

    • memory/4740-27-0x0000000006180000-0x00000000064D4000-memory.dmp

      Filesize

      3.3MB

    • memory/4740-64-0x0000000070AA0000-0x0000000070AEC000-memory.dmp

      Filesize

      304KB

    • memory/4740-23-0x0000000006110000-0x0000000006176000-memory.dmp

      Filesize

      408KB

    • memory/4740-25-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/4740-22-0x0000000005F70000-0x0000000005FD6000-memory.dmp

      Filesize

      408KB

    • memory/4740-77-0x0000000007D00000-0x0000000007D96000-memory.dmp

      Filesize

      600KB

    • memory/4740-78-0x0000000007C80000-0x0000000007C91000-memory.dmp

      Filesize

      68KB

    • memory/4740-79-0x0000000007CB0000-0x0000000007CBE000-memory.dmp

      Filesize

      56KB

    • memory/4740-80-0x0000000007CC0000-0x0000000007CD4000-memory.dmp

      Filesize

      80KB

    • memory/4740-17-0x0000000005860000-0x0000000005E88000-memory.dmp

      Filesize

      6.2MB

    • memory/4740-82-0x0000000007DA0000-0x0000000007DA8000-memory.dmp

      Filesize

      32KB

    • memory/4740-86-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/4740-18-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/4740-16-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB