Analysis

  • max time kernel
    125s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 23:28

General

  • Target

    fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe

  • Size

    882KB

  • MD5

    fd8a25baabe1fc7584d0538cbaa9c783

  • SHA1

    4ecd1ce2c9ea56bf293996047ad5cf5ca1ac09bf

  • SHA256

    900ce3af8a92e086a0332e7a69033a5e25f31a6a3a553003086f7bed958e3432

  • SHA512

    7f4b0186957917f34ee90dcd51c7ab16a7ed14a127b3fedc34dbdabae3c7eb7b6535e9fc1317726131cd9326ad3e0df00a803bcde415e66241f1e9fde4c789ed

  • SSDEEP

    12288:ndA9KMRxkFKCQ2vU78zAb1p3mPoa0g4PZ1EnB8cuEXLCwIeOQHK7z+zKboASLF:dA9jkFKww8z0p344PYBRtCBeOQKboF

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.zoho.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    JesusChrist007

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd8a25baabe1fc7584d0538cbaa9c783_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:2332
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hJSUdPEf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2DF3.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2168
    • C:\Users\Admin\AppData\Local\Temp\fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe"
      2⤵
        PID:2936
      • C:\Users\Admin\AppData\Local\Temp\fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe"
        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:2784

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp2DF3.tmp

      Filesize

      1KB

      MD5

      a5132a43128ae5b1df367c686f4e6331

      SHA1

      ff42af135aac3d72fea07e31c72489d64ecdec1b

      SHA256

      d82a58263710988a975c30671eeaf85a393e20f082c7c3a08926987485ead396

      SHA512

      10132a1eca9ad3b25f116c1e520d0dca1b26ecbfc493bc25522026e602d1edf75e771e0dd726fa577d158d67863977fc5c88288468edd4878b3c676e0f34eb0d

    • memory/2332-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

      Filesize

      4KB

    • memory/2332-1-0x0000000001210000-0x00000000012F2000-memory.dmp

      Filesize

      904KB

    • memory/2332-2-0x00000000744C0000-0x0000000074BAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2332-3-0x0000000000280000-0x0000000000296000-memory.dmp

      Filesize

      88KB

    • memory/2332-4-0x00000000744CE000-0x00000000744CF000-memory.dmp

      Filesize

      4KB

    • memory/2332-5-0x00000000744C0000-0x0000000074BAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2332-6-0x0000000005820000-0x00000000058B8000-memory.dmp

      Filesize

      608KB

    • memory/2332-7-0x0000000000530000-0x000000000056C000-memory.dmp

      Filesize

      240KB

    • memory/2332-24-0x00000000744C0000-0x0000000074BAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2784-19-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2784-23-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2784-21-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2784-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2784-16-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2784-15-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2784-14-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2784-13-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2784-25-0x00000000744C0000-0x0000000074BAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2784-26-0x00000000744C0000-0x0000000074BAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2784-27-0x00000000744C0000-0x0000000074BAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2784-28-0x00000000744C0000-0x0000000074BAE000-memory.dmp

      Filesize

      6.9MB