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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14/01/2025, 01:19

General

  • Target

    a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe

  • Size

    1.2MB

  • MD5

    5265c936cb7ab568d7810a539bd575ba

  • SHA1

    ef11f1fa110d1b0c7bab6cc53be54928c340ee1d

  • SHA256

    a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df

  • SHA512

    d3d9eac08cd2189b6f900bac03978eb5067dc265ae9f8581379c3ba8200eeeeb5b36bcbadfd58d87ec3078dd9819cbf60ba5dc1b7676e0615d740f05328e6cf8

  • SSDEEP

    24576:YJPc9WJqK9gv/Mcc6jZ2fdVNFeawBSBH1ev1RIAhjLoamMiX4lNmZg0YxegPbUID:gwSgnZ2pFeawBCcjLoyEkmZ9Y14

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.anding-tw.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    zra1@!G8gQ+i

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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • 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.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe
    "C:\Users\Admin\AppData\Local\Temp\a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PNsoxLTRXlRwm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp33AE.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2856
    • C:\Users\Admin\AppData\Local\Temp\a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2820
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:1520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp33AE.tmp

    Filesize

    1KB

    MD5

    cdbc3cfc151634afdde73e3b121f3211

    SHA1

    dbfc388e7e6704c58ffa155cc71cc4151f68be09

    SHA256

    32bf7abe64fd67be3cd0af64d6aa7177b58469c3afe77d2d1115ae2cbf4f0685

    SHA512

    16b4cd3ec23fa437e2d1f8421aeb292ef94d891a3078715e1d4781b296966ff25776028e96aecfb5b9caa5f1674849dffee48db0d524abc226b1bf83cded857d

  • memory/2820-20-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2820-23-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-30-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-29-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-26-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-22-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2820-24-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-18-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2820-28-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-27-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-12-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2820-14-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2820-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2820-11-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2820-9-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/3048-25-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/3048-2-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/3048-0-0x0000000074201000-0x0000000074202000-memory.dmp

    Filesize

    4KB

  • memory/3048-1-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/3048-3-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB