Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-09-2024 05:33

General

  • Target

    SWIFT COPY 24092020_pdf.exe

  • Size

    444KB

  • MD5

    c2ab834e47610c082360d87f4d613c2c

  • SHA1

    6ac56cf22e21f35068a1652af02ee12b115d7341

  • SHA256

    cc0362a0c84cc29c65b62af19019e3a810d69ffc46e5e40b08aedbe333659cd7

  • SHA512

    383a1d3e2c75cb31942eb2a5b33a3b01bb47126f4392362140295468243d8df1c7b0884d54203713a28a657bf3e6152909e2fdd7508df8178f3a24b9239ce3d4

  • SSDEEP

    6144:bLZSBSGmmrpO/iKrDh74Fr1M9oeGIZCauQqpuisS98W74EonWLL7wueU1BkG8:bLZsLUiKdkRtNpuijv4YL7j17S

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.iigcest.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Jab2016@

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
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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.

  • Windows security modification 2 TTPs 2 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWIFT COPY 24092020_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\SWIFT COPY 24092020_pdf.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:3044
    • 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:2588
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mIgAtoOzUFz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB95.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2100
    • C:\Users\Admin\AppData\Local\Temp\SWIFT COPY 24092020_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\SWIFT COPY 24092020_pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB95.tmp

    Filesize

    1KB

    MD5

    c33cbc9d5d591f92730b48478e9697cc

    SHA1

    ac26f0eb0968f8f3ada17969c7e937143dc6ca92

    SHA256

    29079b7ce6b8bf58fd16c79175883418e5daec74e80ff1e05b5105ad4239eeda

    SHA512

    a7aef5d0d5e412945749740964439f1f98f3450441820b6bbbfac2d21ed80d46d2600609415358dbb1884626a3b9672a7425a79e44aed5a146f498b4b2ef08b8

  • memory/1108-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1108-25-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1108-27-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1108-26-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1108-17-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1108-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1108-20-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1108-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2588-10-0x0000000073FA0000-0x000000007454B000-memory.dmp

    Filesize

    5.7MB

  • memory/2588-8-0x0000000073FA0000-0x000000007454B000-memory.dmp

    Filesize

    5.7MB

  • memory/2588-9-0x0000000073FA0000-0x000000007454B000-memory.dmp

    Filesize

    5.7MB

  • memory/2588-7-0x0000000073FA0000-0x000000007454B000-memory.dmp

    Filesize

    5.7MB

  • memory/3044-0-0x0000000073FA1000-0x0000000073FA2000-memory.dmp

    Filesize

    4KB

  • memory/3044-4-0x0000000073FA0000-0x000000007454B000-memory.dmp

    Filesize

    5.7MB

  • memory/3044-3-0x0000000073FA0000-0x000000007454B000-memory.dmp

    Filesize

    5.7MB

  • memory/3044-2-0x0000000073FA0000-0x000000007454B000-memory.dmp

    Filesize

    5.7MB

  • memory/3044-1-0x0000000073FA0000-0x000000007454B000-memory.dmp

    Filesize

    5.7MB

  • memory/3044-28-0x0000000073FA0000-0x000000007454B000-memory.dmp

    Filesize

    5.7MB