Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 09:18

General

  • Target

    bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe

  • Size

    705KB

  • MD5

    bafcee0089e4fa1b3b772351cbb0cae1

  • SHA1

    f57757e2cc9e93b49c5bf3a1257ba3230a776860

  • SHA256

    5e0b3550098aeaef4722fe9d3299c218e399fb9d379c04336d70bd1be58f61d1

  • SHA512

    65a04d902f5d6052be9b2d2702433133be415d743aa95d94b31383d26e1bac980648a3cc57bdc0b9bfc1bd906d914938c85a5daaf97d89b64074da8fa45e9a3c

  • SSDEEP

    12288:+4jGha4fxBa4wlDKffkMZvhxgnjeQZbzO/pejGNvwKBM/6P7Q+8Z:+KlaBa1sMMZvIniOzOheAJ+Uq

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 7 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.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2124-3-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2124-1-0x0000000000360000-0x0000000000370000-memory.dmp

    Filesize

    64KB

  • memory/2124-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2124-5-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

  • memory/2124-2-0x0000000000360000-0x0000000000370000-memory.dmp

    Filesize

    64KB

  • memory/2404-11-0x00000000002D0000-0x0000000000306000-memory.dmp

    Filesize

    216KB

  • memory/2404-12-0x00000000002D0000-0x0000000000306000-memory.dmp

    Filesize

    216KB

  • memory/2404-10-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2404-13-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2404-8-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2404-4-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2404-24-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2404-25-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2404-26-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB