Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2024 04:50

General

  • Target

    ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe

  • Size

    771KB

  • MD5

    ecdfaa43d6e0b5ec1a715fbe9dfa8f08

  • SHA1

    5342527196894b340321d8fcc71a3a6adcf1bce9

  • SHA256

    dbb61a60d887156db921acb292375cbf9dfc334a5395f29fadc1441f31e31838

  • SHA512

    10a3808afb9094b6082b6d2de5fd6ae305b5aa1600cd16c1d38f8fc8cc206e295d01e8321d15829919f71bcf7bc0e4da75dc5585f83d64df1fcf2123f4b836d8

  • SSDEEP

    12288:Gbk3hHcd8IGtmRUl/DcFEQswdpAssgNOOv8/BArLSNI3yBjNVaLn6FH9B2n6uiw0:GSgm807cOQq80BCcHwn69DYc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tatratrading.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    FTAm_6650-

Signatures

  • AgentTesla

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

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • AgentTesla payload 5 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Windows security modification 2 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 4 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Windows security modification
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2628
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gOXYvvFZEHI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC67A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:608
    • C:\Users\Admin\AppData\Local\Temp\ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe"
      2⤵
        PID:1480
      • C:\Users\Admin\AppData\Local\Temp\ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2940

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpC67A.tmp

      Filesize

      1KB

      MD5

      cdbaf4fc2b6155c3a8cb49d55e14cd1e

      SHA1

      7925662f7b122326a7dca447bed7d7f4f51dca69

      SHA256

      1c7a115d81b72a74fc80ceff61f885d9360ed3f3ef9e7381668c4c87717a0956

      SHA512

      aaea20c5d4bf11b9142a92bb17702e88e5800f6167a370037d0b46c893f05a7bcb9acff8a5e9f1a7d172c827b4b6508554e05e791ed64b5272ab13c8316ed796

    • memory/1800-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

      Filesize

      4KB

    • memory/1800-1-0x0000000000940000-0x0000000000A08000-memory.dmp

      Filesize

      800KB

    • memory/1800-2-0x0000000000600000-0x0000000000660000-memory.dmp

      Filesize

      384KB

    • memory/1800-3-0x00000000746F0000-0x0000000074DDE000-memory.dmp

      Filesize

      6.9MB

    • memory/1800-4-0x00000000004F0000-0x00000000004F8000-memory.dmp

      Filesize

      32KB

    • memory/1800-5-0x00000000746FE000-0x00000000746FF000-memory.dmp

      Filesize

      4KB

    • memory/1800-6-0x00000000746F0000-0x0000000074DDE000-memory.dmp

      Filesize

      6.9MB

    • memory/1800-7-0x0000000004AC0000-0x0000000004B20000-memory.dmp

      Filesize

      384KB

    • memory/1800-8-0x0000000002020000-0x0000000002060000-memory.dmp

      Filesize

      256KB

    • memory/1800-35-0x00000000746F0000-0x0000000074DDE000-memory.dmp

      Filesize

      6.9MB

    • memory/2628-15-0x000000006F5A0000-0x000000006FB4B000-memory.dmp

      Filesize

      5.7MB

    • memory/2628-13-0x000000006F5A0000-0x000000006FB4B000-memory.dmp

      Filesize

      5.7MB

    • memory/2628-14-0x000000006F5A0000-0x000000006FB4B000-memory.dmp

      Filesize

      5.7MB

    • memory/2628-16-0x000000006F5A0000-0x000000006FB4B000-memory.dmp

      Filesize

      5.7MB

    • memory/2628-12-0x000000006F5A0000-0x000000006FB4B000-memory.dmp

      Filesize

      5.7MB

    • memory/2628-11-0x000000006F5A1000-0x000000006F5A2000-memory.dmp

      Filesize

      4KB

    • memory/2940-34-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2940-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2940-32-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2940-31-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2940-28-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2940-26-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2940-24-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2940-22-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB