Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2025 18:17

General

  • Target

    JaffaCakes118_b621924e335655edaba9439ccea827eb.exe

  • Size

    616KB

  • MD5

    b621924e335655edaba9439ccea827eb

  • SHA1

    4e343bd91dcb00d97e3358e4f58c1abf8d7934ae

  • SHA256

    83e502e80155a84f00827157d2d240c84f98bba985ef20539badcdb89ec205ac

  • SHA512

    d0c9e387bce01f7d0f2f696eae611e5ce7e11a913c48fa4d7e91bb3d06cf314d45906d27c59265abab333b17a96fd154a47323c4f3e47d9cc0fff8f7fe291add

  • SSDEEP

    12288:XLdGaMeWx5baLOXiBGTxdxR69sb9VSBfQpFPENgNi8:XLw1gLOXjxd6yaBfUE6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Mariodavid@89

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 5 IoCs
  • Adds Run key to start application 2 TTPs 1 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 23 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b621924e335655edaba9439ccea827eb.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b621924e335655edaba9439ccea827eb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KldKtgPt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E2B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2780
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b621924e335655edaba9439ccea827eb.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b621924e335655edaba9439ccea827eb.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:1960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\newapp\newapp.exe

    Filesize

    616KB

    MD5

    b621924e335655edaba9439ccea827eb

    SHA1

    4e343bd91dcb00d97e3358e4f58c1abf8d7934ae

    SHA256

    83e502e80155a84f00827157d2d240c84f98bba985ef20539badcdb89ec205ac

    SHA512

    d0c9e387bce01f7d0f2f696eae611e5ce7e11a913c48fa4d7e91bb3d06cf314d45906d27c59265abab333b17a96fd154a47323c4f3e47d9cc0fff8f7fe291add

  • memory/1960-26-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/1960-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1960-19-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1960-28-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/1960-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1960-25-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/1960-12-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1960-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1960-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1960-27-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/1960-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1960-15-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2396-1-0x0000000001020000-0x00000000010C0000-memory.dmp

    Filesize

    640KB

  • memory/2396-2-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2396-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

    Filesize

    4KB

  • memory/2396-6-0x0000000004B80000-0x0000000004BE0000-memory.dmp

    Filesize

    384KB

  • memory/2396-24-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2396-5-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2396-4-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

    Filesize

    4KB

  • memory/2396-3-0x00000000004C0000-0x00000000004CA000-memory.dmp

    Filesize

    40KB