Analysis

  • max time kernel
    129s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 19:50

General

  • Target

    3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe

  • Size

    839KB

  • MD5

    3bc86ac6b99cd20ae67a38f81396aca5

  • SHA1

    8ca449b1fde37550983f4b9ff839748d7e227f12

  • SHA256

    bebc3da436336c51dd91d24c9f57dc84743775f89f878c0eee75d442372b3749

  • SHA512

    c6c3c0989f75dc88548ed8f2ba4801328034377939736416299ea4496d7bf73e79ff12906f5d9e9fe2b51aae2a65cee56f3ad13d078d60cbb5fdd84c75e77f75

  • SSDEEP

    12288:LIfKxn3qGaNHEyC9/oR9gy5FHK7znJ8oL6LuUe6pD24QGGnC+i8KQKcusXgPTlrf:LkKpPp9AR95yaoLEa9M+5XgrlL

Malware Config

Extracted

Family

agenttesla

Credentials

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 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
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IIdcXydjwkmx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB4FD.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2796
    • C:\Users\Admin\AppData\Local\Temp\3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB4FD.tmp

    Filesize

    1KB

    MD5

    5075fa33710077df27ea73d4f755b9af

    SHA1

    21186b4dfc01c6d1bf33fd26592a23b8e327f346

    SHA256

    490f997a912de895ce6cc47a236a96fb7296128142827cd3a79248e13b890ea8

    SHA512

    93e2073325321a1ce08eb4fb72d6ada436a204c58d6a55713aa0aa786fa50fed9ac87bf1d0d09fd55af078399ce37ec2982f06a68f76aa679475090f6b9dbead

  • memory/2616-17-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2616-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2616-21-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2616-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2616-25-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2616-30-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-29-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-28-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2616-13-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2616-26-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-15-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-5-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-4-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/2644-0-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/2644-2-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-27-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-3-0x00000000002B0000-0x00000000002C6000-memory.dmp

    Filesize

    88KB

  • memory/2644-1-0x00000000010F0000-0x00000000011C8000-memory.dmp

    Filesize

    864KB

  • memory/2644-7-0x0000000000660000-0x000000000069C000-memory.dmp

    Filesize

    240KB

  • memory/2644-6-0x0000000007F40000-0x0000000007FD8000-memory.dmp

    Filesize

    608KB