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Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2024, 20:27

General

  • Target

    JaffaCakes118_34fa2448e36300f2954bacfe1ed89026.exe

  • Size

    594KB

  • MD5

    34fa2448e36300f2954bacfe1ed89026

  • SHA1

    44f69b57ef3eccd46e77bf3a34103f9991d48ad1

  • SHA256

    74f29e0c765b24b3a34f3f430328fc58688ae0d8c7ef55297cd9d3b6dfeae8de

  • SHA512

    849714a100c9b234d8e77a3f1d4b2c145ebb05930c5f1e465f783275dbf11222f01b2f348a7e3ec0b78c0b7f4b879e21688dc578c7be538758a31932b859ca2a

  • SSDEEP

    12288:ByUi2iNb7YQlAOWtXVFVxz7PwLEmjvJ7tIC/Ppuv+uuV:UUi15YQlAvtXfVpPw/jhGQuv+u

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    india@123

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 3 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 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34fa2448e36300f2954bacfe1ed89026.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34fa2448e36300f2954bacfe1ed89026.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mTijPWpgwPgNDr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA8C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2860
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34fa2448e36300f2954bacfe1ed89026.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34fa2448e36300f2954bacfe1ed89026.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2504-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/2504-1-0x0000000000180000-0x000000000021A000-memory.dmp

    Filesize

    616KB

  • memory/2504-2-0x00000000005B0000-0x00000000005BE000-memory.dmp

    Filesize

    56KB

  • memory/2504-3-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2504-4-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2504-5-0x0000000004F30000-0x0000000004FA0000-memory.dmp

    Filesize

    448KB

  • memory/2504-25-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2856-19-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2856-21-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2856-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2856-15-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2856-13-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2856-12-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2856-11-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2856-24-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2856-23-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2856-26-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2856-27-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB