Analysis

  • max time kernel
    138s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 08:54

General

  • Target

    ef737a50b718f9d4c3331f926edd8e8c_JaffaCakes118.exe

  • Size

    636KB

  • MD5

    ef737a50b718f9d4c3331f926edd8e8c

  • SHA1

    10a6cf02f6ebbd93212782122800e4978172d579

  • SHA256

    19b7ae6956a38825ac143952843f6e046c642a9dc635e18d4f84dcff4568c142

  • SHA512

    8f1aff36697d0d7544d96bc3ed949f79d8627c45328fec300bcfcb91f8378a7be62d271e51adc36f6d63fc2e62c157b006dfe9291125a040cd2b03a17053ba81

  • SSDEEP

    12288:6C+Pupk1AE4++rM4FdPEbw+Sf6ygbL7EKzIlxoQ7aIrDv8E0FKIa:NUAE4RrJFdPrmuIQWIrDZMna

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    poundsboy24

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.

  • 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 7 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\ef737a50b718f9d4c3331f926edd8e8c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef737a50b718f9d4c3331f926edd8e8c_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:2732
    • C:\Users\Admin\AppData\Local\Temp\ef737a50b718f9d4c3331f926edd8e8c_JaffaCakes118.exe
      "{path}"
      2⤵
        PID:3040
      • C:\Users\Admin\AppData\Local\Temp\ef737a50b718f9d4c3331f926edd8e8c_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:3064

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2732-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

      Filesize

      4KB

    • memory/2732-1-0x00000000013C0000-0x0000000001466000-memory.dmp

      Filesize

      664KB

    • memory/2732-2-0x0000000074B60000-0x000000007524E000-memory.dmp

      Filesize

      6.9MB

    • memory/2732-3-0x0000000000520000-0x0000000000532000-memory.dmp

      Filesize

      72KB

    • memory/2732-4-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

      Filesize

      4KB

    • memory/2732-5-0x0000000074B60000-0x000000007524E000-memory.dmp

      Filesize

      6.9MB

    • memory/2732-6-0x00000000051E0000-0x000000000524A000-memory.dmp

      Filesize

      424KB

    • memory/2732-7-0x0000000000C20000-0x0000000000C80000-memory.dmp

      Filesize

      384KB

    • memory/2732-24-0x0000000074B60000-0x000000007524E000-memory.dmp

      Filesize

      6.9MB

    • memory/3064-22-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/3064-8-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/3064-20-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/3064-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3064-14-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/3064-12-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/3064-10-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/3064-18-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/3064-23-0x0000000074B60000-0x000000007524E000-memory.dmp

      Filesize

      6.9MB

    • memory/3064-25-0x0000000074B60000-0x000000007524E000-memory.dmp

      Filesize

      6.9MB

    • memory/3064-26-0x0000000074B60000-0x000000007524E000-memory.dmp

      Filesize

      6.9MB

    • memory/3064-27-0x0000000074B60000-0x000000007524E000-memory.dmp

      Filesize

      6.9MB

    • memory/3064-28-0x0000000074B60000-0x000000007524E000-memory.dmp

      Filesize

      6.9MB

    • memory/3064-29-0x0000000074B60000-0x000000007524E000-memory.dmp

      Filesize

      6.9MB