Analysis

  • max time kernel
    125s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 13:48

General

  • Target

    07235191bc4a2cb3bd75667ddaf43950_JaffaCakes118.exe

  • Size

    607KB

  • MD5

    07235191bc4a2cb3bd75667ddaf43950

  • SHA1

    2068b25e2b28889e26395be0c401b6f8c7838cd0

  • SHA256

    0e3e6413a4c2f3666b7ffa43b3b1b13f470875f410a13c0ec6bbd2ddae3bd8cf

  • SHA512

    ffaa3651b51301faa0c782ad80470ba99e80db154a19cdfae4965bb5705896a1109511337c0508898381357731f6cf664026e6d40a8ba4e913259f2ce1bcd8e7

  • SSDEEP

    12288:WhvUUWYU6PqKnGR3nEWlf0nRHqnlqw3h/MtLyb0:OMUWYU753ZgBYqwR/Mpyb

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    emeka@generalbravo.com
  • Password:
    e)cnIdR1

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07235191bc4a2cb3bd75667ddaf43950_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\07235191bc4a2cb3bd75667ddaf43950_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZVCupI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD83.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\07235191bc4a2cb3bd75667ddaf43950_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\07235191bc4a2cb3bd75667ddaf43950_JaffaCakes118.exe"
      2⤵
        PID:2548
      • C:\Users\Admin\AppData\Local\Temp\07235191bc4a2cb3bd75667ddaf43950_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\07235191bc4a2cb3bd75667ddaf43950_JaffaCakes118.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2980

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    2
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2876-25-0x0000000074CA0000-0x000000007538E000-memory.dmp
      Filesize

      6.9MB

    • memory/2876-1-0x0000000074CA0000-0x000000007538E000-memory.dmp
      Filesize

      6.9MB

    • memory/2876-2-0x0000000000420000-0x0000000000460000-memory.dmp
      Filesize

      256KB

    • memory/2876-3-0x0000000000380000-0x0000000000398000-memory.dmp
      Filesize

      96KB

    • memory/2876-4-0x0000000074CA0000-0x000000007538E000-memory.dmp
      Filesize

      6.9MB

    • memory/2876-5-0x0000000000420000-0x0000000000460000-memory.dmp
      Filesize

      256KB

    • memory/2876-6-0x0000000004DE0000-0x0000000004E40000-memory.dmp
      Filesize

      384KB

    • memory/2876-0-0x0000000000A30000-0x0000000000ACE000-memory.dmp
      Filesize

      632KB

    • memory/2980-27-0x00000000049E0000-0x0000000004A20000-memory.dmp
      Filesize

      256KB

    • memory/2980-29-0x00000000049E0000-0x0000000004A20000-memory.dmp
      Filesize

      256KB

    • memory/2980-12-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2980-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2980-20-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2980-24-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2980-22-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2980-16-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2980-26-0x0000000074CA0000-0x000000007538E000-memory.dmp
      Filesize

      6.9MB

    • memory/2980-17-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2980-28-0x0000000074CA0000-0x000000007538E000-memory.dmp
      Filesize

      6.9MB

    • memory/2980-14-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB