Analysis

  • max time kernel
    138s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 12:33

General

  • Target

    05332d194f758eae4b12ddda44c7dcda_JaffaCakes118.exe

  • Size

    806KB

  • MD5

    05332d194f758eae4b12ddda44c7dcda

  • SHA1

    f4adabb9f3650c4d4f1b713f00cf60dda1134cc3

  • SHA256

    5671f534a875a0e788b94fe86518fff5cd713d8df079877a319652274aa68fa0

  • SHA512

    b7129b6cfdbc23887bef311709920b1672118c61ada6ca410c2a8c3d7765ef04b39df1d98341dbec829e02dde9627f591a9b06ef53cc3d3305d86c23f7647494

  • SSDEEP

    12288:xvmIXWFDiG5FFLbbMvVEbbU4NYLsI68Y/EDlfR+k7SDCMKcaPnOz:A5XbMibnisIvYk2GMKcaPnOz

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    superstars@sardaplywood.com
  • Password:
    sup123st45
  • Email To:
    ch3rrysamuel@yandex.com

Signatures

  • AgentTesla

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

  • 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 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05332d194f758eae4b12ddda44c7dcda_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\05332d194f758eae4b12ddda44c7dcda_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mrBnPrWY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD817.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2428
    • C:\Users\Admin\AppData\Local\Temp\05332d194f758eae4b12ddda44c7dcda_JaffaCakes118.exe
      "{path}"
      2⤵
        PID:1264
      • C:\Users\Admin\AppData\Local\Temp\05332d194f758eae4b12ddda44c7dcda_JaffaCakes118.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1372

    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

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    4
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpD817.tmp
      Filesize

      1KB

      MD5

      51d51cf82e83c043107ccacac98f5169

      SHA1

      42dfd5af9bba21caa86f4a4793ed7b9117788bc1

      SHA256

      91cbd9b43b1e27b45043b3928c27ef366d61ecfe3e2ba44cfd4ed7afe265ed2d

      SHA512

      0fc6cdae895be8074cc9ca2d6cf889681f5894d5b5e0f057b662c62e17f0d4b2eff21f834196efd47a923733ef04b93720d4fb4af7fa4eba63c693680d18d064

    • memory/1372-19-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1372-23-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1372-12-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1372-15-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1372-11-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1372-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/1372-21-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1372-13-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2660-6-0x0000000008020000-0x00000000080B0000-memory.dmp
      Filesize

      576KB

    • memory/2660-5-0x0000000004EE0000-0x0000000004F20000-memory.dmp
      Filesize

      256KB

    • memory/2660-1-0x0000000074960000-0x000000007504E000-memory.dmp
      Filesize

      6.9MB

    • memory/2660-0-0x0000000000140000-0x0000000000210000-memory.dmp
      Filesize

      832KB

    • memory/2660-3-0x00000000006A0000-0x00000000006B2000-memory.dmp
      Filesize

      72KB

    • memory/2660-7-0x0000000005EB0000-0x0000000005F32000-memory.dmp
      Filesize

      520KB

    • memory/2660-2-0x0000000004EE0000-0x0000000004F20000-memory.dmp
      Filesize

      256KB

    • memory/2660-4-0x0000000074960000-0x000000007504E000-memory.dmp
      Filesize

      6.9MB

    • memory/2660-24-0x0000000074960000-0x000000007504E000-memory.dmp
      Filesize

      6.9MB