Analysis

  • max time kernel
    131s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 13:31

General

  • Target

    b18ceaed875aeff4a1359b943fb2b77d_JaffaCakes118.exe

  • Size

    770KB

  • MD5

    b18ceaed875aeff4a1359b943fb2b77d

  • SHA1

    a8f122a129f8c12a13b28d02ffb0fa1847ae4371

  • SHA256

    2f8a59cf8ce6788f2c0207d4e78140aad6acdfa10a2472f7d601ea7bec5148d5

  • SHA512

    3a65907c4f677bdc6a2366165473859165ee3c314c7de54f02f088969c8668593b02167b722c2b7c0c90e8b24b854616a28a5570353aad9d64affb2ce5cb5097

  • SSDEEP

    24576:WHXMjMTbMgw0ben9jo6rO5Si5BqZDJfHcKE6:OX3Ugsf

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.buynsell.com.pk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Zeco@141

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 5 IoCs
  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 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\b18ceaed875aeff4a1359b943fb2b77d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b18ceaed875aeff4a1359b943fb2b77d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yylkdaYAqN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA2E4.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2716
    • C:\Users\Admin\AppData\Local\Temp\b18ceaed875aeff4a1359b943fb2b77d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\b18ceaed875aeff4a1359b943fb2b77d_JaffaCakes118.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:2788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA2E4.tmp

    Filesize

    1KB

    MD5

    00d6a687fa57cec55f70667ef0faefe5

    SHA1

    5de36f55cd39b7f46700f775d287f242c4401c48

    SHA256

    db676d7b7825062f11128af07899205ea835b51bf7954573a05e59a1e25a5185

    SHA512

    24bbc76df7ba0c157931fd05595552bbb32f58a6157b6c2251ecfd81e2d27e8d3a41d614f05954804f817dd6b61465bf0c472dde40ce253f16217a69f0c66dee

  • C:\Users\Admin\AppData\Roaming\newapp\newapp.exe

    Filesize

    770KB

    MD5

    b18ceaed875aeff4a1359b943fb2b77d

    SHA1

    a8f122a129f8c12a13b28d02ffb0fa1847ae4371

    SHA256

    2f8a59cf8ce6788f2c0207d4e78140aad6acdfa10a2472f7d601ea7bec5148d5

    SHA512

    3a65907c4f677bdc6a2366165473859165ee3c314c7de54f02f088969c8668593b02167b722c2b7c0c90e8b24b854616a28a5570353aad9d64affb2ce5cb5097

  • memory/2172-0-0x000000007430E000-0x000000007430F000-memory.dmp

    Filesize

    4KB

  • memory/2172-1-0x0000000001040000-0x0000000001106000-memory.dmp

    Filesize

    792KB

  • memory/2172-2-0x0000000000D30000-0x0000000000DBC000-memory.dmp

    Filesize

    560KB

  • memory/2172-3-0x0000000074300000-0x00000000749EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-4-0x0000000000670000-0x0000000000686000-memory.dmp

    Filesize

    88KB

  • memory/2172-5-0x000000007430E000-0x000000007430F000-memory.dmp

    Filesize

    4KB

  • memory/2172-6-0x0000000074300000-0x00000000749EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-7-0x000000000D380000-0x000000000D416000-memory.dmp

    Filesize

    600KB

  • memory/2172-8-0x0000000000DF0000-0x0000000000E2C000-memory.dmp

    Filesize

    240KB

  • memory/2172-26-0x0000000074300000-0x00000000749EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2788-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2788-24-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2788-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2788-25-0x0000000074300000-0x00000000749EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2788-20-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2788-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2788-17-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2788-15-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2788-27-0x0000000074300000-0x00000000749EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2788-28-0x0000000074300000-0x00000000749EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2788-29-0x0000000074300000-0x00000000749EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2788-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB