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Analysis

  • max time kernel
    130s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2025, 13:48

General

  • Target

    JaffaCakes118_578689957ce8ad16595482f906708bc8.exe

  • Size

    467KB

  • MD5

    578689957ce8ad16595482f906708bc8

  • SHA1

    ad5e170615c0aa415c7e5abf2eab70c01d5d71ff

  • SHA256

    a875883ae189aed76e62166af5b5e4ba8acfbac9712fa80b165455015aa85dd0

  • SHA512

    6fc4ecb812b1b46049773b6cea63ee15b2fd72cef1d62c7d63c5163cb7c744e9f4fb265a7e256935f61c967154ad771b140f94c06017008ef65778ee55b4a0dd

  • SSDEEP

    6144:poOaZM/A6Z1c0oSWV590SfuJUqHR1HAWZKWyeYx:+DFSWV590WmA

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    nanimoss2010

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578689957ce8ad16595482f906708bc8.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578689957ce8ad16595482f906708bc8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NboJgn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5CA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4488
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578689957ce8ad16595482f906708bc8.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578689957ce8ad16595482f906708bc8.exe"
      2⤵
        PID:4424
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578689957ce8ad16595482f906708bc8.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578689957ce8ad16595482f906708bc8.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:1072

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1072-16-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1072-27-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1072-26-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1072-25-0x00000000062E0000-0x0000000006330000-memory.dmp

      Filesize

      320KB

    • memory/1072-24-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1072-23-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1072-22-0x0000000005D60000-0x0000000005DC6000-memory.dmp

      Filesize

      408KB

    • memory/1072-21-0x0000000005380000-0x0000000005398000-memory.dmp

      Filesize

      96KB

    • memory/1072-20-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1072-18-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2936-5-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2936-10-0x00000000066A0000-0x0000000006700000-memory.dmp

      Filesize

      384KB

    • memory/2936-9-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2936-19-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2936-8-0x000000007514E000-0x000000007514F000-memory.dmp

      Filesize

      4KB

    • memory/2936-7-0x0000000006220000-0x000000000622E000-memory.dmp

      Filesize

      56KB

    • memory/2936-6-0x00000000062B0000-0x000000000634C000-memory.dmp

      Filesize

      624KB

    • memory/2936-0-0x000000007514E000-0x000000007514F000-memory.dmp

      Filesize

      4KB

    • memory/2936-4-0x0000000004C60000-0x0000000004C6A000-memory.dmp

      Filesize

      40KB

    • memory/2936-3-0x0000000004A50000-0x0000000004AE2000-memory.dmp

      Filesize

      584KB

    • memory/2936-2-0x00000000050F0000-0x0000000005694000-memory.dmp

      Filesize

      5.6MB

    • memory/2936-1-0x0000000000170000-0x00000000001EC000-memory.dmp

      Filesize

      496KB