Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-09-2024 14:23

General

  • Target

    de62a5dab135dba7f992aa357d7a5ce2_JaffaCakes118.exe

  • Size

    914KB

  • MD5

    de62a5dab135dba7f992aa357d7a5ce2

  • SHA1

    a8070428eca816b47d177396c3b579ed5d30bfcc

  • SHA256

    d18b49a5a492666909ad1d1d9f17b538d4c7da9c804fd5f694170ba46a05c708

  • SHA512

    bae7a247863179b0ef0b2c6d8e3431867c7fb769d95c64765ac24cb4ad8429bc521407b27ba721333cad870c4e3ce87a7f3b6a400b4d18ea380c0f4636ce5e9c

  • SSDEEP

    12288:khZ6bbOq+4Lz0Y7aGlDdJ2iFVdZtXKZ6bbOq+4Lz0Y7aGlDdJ2iFVdZtXdkO:WZJ40sxlDz2ILZgZJ40sxlDz2ILZgO

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de62a5dab135dba7f992aa357d7a5ce2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\de62a5dab135dba7f992aa357d7a5ce2_JaffaCakes118.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:576
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VUnUiAmf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A67.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:856
    • C:\Users\Admin\AppData\Local\Temp\de62a5dab135dba7f992aa357d7a5ce2_JaffaCakes118.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6A67.tmp

    Filesize

    1KB

    MD5

    fc4a388cae60954f98093615d5c91703

    SHA1

    d453aafba5ee6ef3bfb9922ea074ceae27aa0b9d

    SHA256

    861cf89289f4f27e1f6324f942657d74647dbe729eaf34495204b42b2ae65548

    SHA512

    890086cac39d7b541948830cefdc16c4d88b28ed30934c7ac5047e32ee157bb80e8e87152e552b8285c29e16a5e0a77ead5c74c07300bd3d3e98cfa406175bc9

  • memory/576-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

    Filesize

    4KB

  • memory/576-1-0x0000000000870000-0x000000000095A000-memory.dmp

    Filesize

    936KB

  • memory/576-2-0x00000000005C0000-0x00000000005CA000-memory.dmp

    Filesize

    40KB

  • memory/576-3-0x0000000074CB0000-0x000000007539E000-memory.dmp

    Filesize

    6.9MB

  • memory/576-4-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

    Filesize

    4KB

  • memory/576-5-0x0000000074CB0000-0x000000007539E000-memory.dmp

    Filesize

    6.9MB

  • memory/576-6-0x0000000004320000-0x000000000437C000-memory.dmp

    Filesize

    368KB

  • memory/576-7-0x0000000004840000-0x0000000004890000-memory.dmp

    Filesize

    320KB

  • memory/576-25-0x0000000074CB0000-0x000000007539E000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-13-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2880-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2880-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2880-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2880-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2880-20-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2880-15-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2880-23-0x0000000074CB0000-0x000000007539E000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-24-0x0000000074CB0000-0x000000007539E000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2880-26-0x0000000074CB0000-0x000000007539E000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-27-0x0000000074CB0000-0x000000007539E000-memory.dmp

    Filesize

    6.9MB