Analysis

  • max time kernel
    150s
  • 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
    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 1 IoCs
  • 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.

  • 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 11 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⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yylkdaYAqN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp52BF.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4600
    • 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:3856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b18ceaed875aeff4a1359b943fb2b77d_JaffaCakes118.exe.log

    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

  • C:\Users\Admin\AppData\Local\Temp\tmp52BF.tmp

    Filesize

    1KB

    MD5

    75a03d26e70678b960a68f2ad17799a6

    SHA1

    6026ff7b7252c4b9b1908b88f59b330c558e2cd2

    SHA256

    fda42ed1f3434fc88c6fc975ec0427b08e9924fe4104848d2cadf82ff62e6951

    SHA512

    7a6ca12303d5fac772e2b71f4b0ec783e9373e7182b032aae2e0a218f7c0aa8cd8e0862e324a8637e23f669f2bed30e8641e7530c2db6d621f84c45491822305

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

    Filesize

    770KB

    MD5

    b18ceaed875aeff4a1359b943fb2b77d

    SHA1

    a8f122a129f8c12a13b28d02ffb0fa1847ae4371

    SHA256

    2f8a59cf8ce6788f2c0207d4e78140aad6acdfa10a2472f7d601ea7bec5148d5

    SHA512

    3a65907c4f677bdc6a2366165473859165ee3c314c7de54f02f088969c8668593b02167b722c2b7c0c90e8b24b854616a28a5570353aad9d64affb2ce5cb5097

  • memory/3856-26-0x0000000006010000-0x0000000006076000-memory.dmp

    Filesize

    408KB

  • memory/3856-19-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3856-33-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3856-32-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3856-31-0x00000000064A0000-0x00000000064F0000-memory.dmp

    Filesize

    320KB

  • memory/3856-28-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3856-27-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3856-25-0x0000000005380000-0x0000000005398000-memory.dmp

    Filesize

    96KB

  • memory/3856-24-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3856-22-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4468-10-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

    Filesize

    4KB

  • memory/4468-4-0x000000000AF90000-0x000000000B534000-memory.dmp

    Filesize

    5.6MB

  • memory/4468-13-0x00000000070A0000-0x00000000070DC000-memory.dmp

    Filesize

    240KB

  • memory/4468-2-0x0000000007810000-0x000000000789C000-memory.dmp

    Filesize

    560KB

  • memory/4468-12-0x0000000006A20000-0x0000000006AB6000-memory.dmp

    Filesize

    600KB

  • memory/4468-23-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4468-11-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4468-3-0x000000000A940000-0x000000000A9DC000-memory.dmp

    Filesize

    624KB

  • memory/4468-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

    Filesize

    4KB

  • memory/4468-9-0x0000000006470000-0x0000000006486000-memory.dmp

    Filesize

    88KB

  • memory/4468-8-0x00000000055E0000-0x0000000005636000-memory.dmp

    Filesize

    344KB

  • memory/4468-1-0x0000000000900000-0x00000000009C6000-memory.dmp

    Filesize

    792KB

  • memory/4468-7-0x00000000052E0000-0x00000000052EA000-memory.dmp

    Filesize

    40KB

  • memory/4468-6-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4468-5-0x000000000A9E0000-0x000000000AA72000-memory.dmp

    Filesize

    584KB