Analysis

  • max time kernel
    94s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 13:18

General

  • Target

    e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe

  • Size

    841KB

  • MD5

    e043395b884f407c2d3f605e8abc75a4

  • SHA1

    b7410d32451dc6fbb635d937df47749cf1e50e14

  • SHA256

    a201b7cf52a5063cf4f64484d874279e2de1aa7c6c3f29782cf1df7c719964eb

  • SHA512

    69cb4deb332779f0a9a2480bac021c1a6fd5274d247b33570c658999e8c2628f280cacba6b8cfc925be15e9080b92ebf70675ff83f3d729545fdcfe202a5ba82

  • SSDEEP

    12288:TmDn0eq7tjGLlA3LKx8Mbw9f659jXekRIskDnT85:g/qttpM8p66kRio5

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    africa@@@@@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    africa@@@@@

Signatures

  • AgentTesla

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

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

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e043395b884f407c2d3f605e8abc75a4_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:1396
    • C:\Users\Admin\AppData\Local\Temp\e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe
      "{path}"
      2⤵
        PID:2728
      • C:\Users\Admin\AppData\Local\Temp\e043395b884f407c2d3f605e8abc75a4_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:2000

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe.log

      Filesize

      496B

      MD5

      cb76b18ebed3a9f05a14aed43d35fba6

      SHA1

      836a4b4e351846fca08b84149cb734cb59b8c0d6

      SHA256

      8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

      SHA512

      7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

    • memory/1396-1-0x0000000074DD0000-0x0000000075381000-memory.dmp

      Filesize

      5.7MB

    • memory/1396-2-0x0000000074DD0000-0x0000000075381000-memory.dmp

      Filesize

      5.7MB

    • memory/1396-0-0x0000000074DD2000-0x0000000074DD3000-memory.dmp

      Filesize

      4KB

    • memory/1396-7-0x0000000074DD0000-0x0000000075381000-memory.dmp

      Filesize

      5.7MB

    • memory/2000-3-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB

    • memory/2000-6-0x0000000074DD0000-0x0000000075381000-memory.dmp

      Filesize

      5.7MB

    • memory/2000-8-0x0000000074DD0000-0x0000000075381000-memory.dmp

      Filesize

      5.7MB

    • memory/2000-9-0x0000000074DD0000-0x0000000075381000-memory.dmp

      Filesize

      5.7MB

    • memory/2000-10-0x0000000074DD0000-0x0000000075381000-memory.dmp

      Filesize

      5.7MB

    • memory/2000-11-0x0000000074DD0000-0x0000000075381000-memory.dmp

      Filesize

      5.7MB

    • memory/2000-12-0x0000000074DD0000-0x0000000075381000-memory.dmp

      Filesize

      5.7MB

    • memory/2000-13-0x0000000074DD0000-0x0000000075381000-memory.dmp

      Filesize

      5.7MB