Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 02:03

General

  • Target

    838053d3c2a1423831cad1dc9b8ca3f036328c05d2cb5c81fbb18dda832aad54.exe

  • Size

    666KB

  • MD5

    ceed99d84eed3e759728b9eeea0be0c7

  • SHA1

    54084910a2c7ca660b644dece24e04130fa4d227

  • SHA256

    838053d3c2a1423831cad1dc9b8ca3f036328c05d2cb5c81fbb18dda832aad54

  • SHA512

    7af4117132a1fac74288e0b09a8c49413ad51c6732b493527c8c1462c3c21956cbf8827aae3b7ede27215e28b304682ab5269f8479169f7e07f9dbb5df590838

  • SSDEEP

    12288:XGD8U5frL49pJE2e0ij/btr6YoJ3dk5mYBoD9Qah3irjC9i72lMW:m8U5fg9fE/0ijhrZojksBQqirjCkEMW

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

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

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\838053d3c2a1423831cad1dc9b8ca3f036328c05d2cb5c81fbb18dda832aad54.exe
    "C:\Users\Admin\AppData\Local\Temp\838053d3c2a1423831cad1dc9b8ca3f036328c05d2cb5c81fbb18dda832aad54.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uZmdtYZy.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2300
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uZmdtYZy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp58C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2848
    • C:\Users\Admin\AppData\Local\Temp\838053d3c2a1423831cad1dc9b8ca3f036328c05d2cb5c81fbb18dda832aad54.exe
      "C:\Users\Admin\AppData\Local\Temp\838053d3c2a1423831cad1dc9b8ca3f036328c05d2cb5c81fbb18dda832aad54.exe"
      2⤵
        PID:2672
      • C:\Users\Admin\AppData\Local\Temp\838053d3c2a1423831cad1dc9b8ca3f036328c05d2cb5c81fbb18dda832aad54.exe
        "C:\Users\Admin\AppData\Local\Temp\838053d3c2a1423831cad1dc9b8ca3f036328c05d2cb5c81fbb18dda832aad54.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2800

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp58C.tmp

      Filesize

      1KB

      MD5

      5189b12b2cd466ff478205c61b624809

      SHA1

      7671677ff387997652a8e3ae2d72d56f2c15787a

      SHA256

      0f561ccf767f6abad65415de1b10f8d3c32fe73971f904e278a3e7a7179ad5c7

      SHA512

      b0c7787ecd81ae9d826d2d77ba711722fcb74cf79a9912aab34a669532865c815fa46405ae208a482c7661ab49d9ea42171b1880cf89c3e254474bd83026fbc9

    • memory/2800-18-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2800-14-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2800-16-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2800-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2800-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2800-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2800-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2800-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3024-5-0x0000000074610000-0x0000000074CFE000-memory.dmp

      Filesize

      6.9MB

    • memory/3024-1-0x0000000000210000-0x00000000002BE000-memory.dmp

      Filesize

      696KB

    • memory/3024-2-0x0000000074610000-0x0000000074CFE000-memory.dmp

      Filesize

      6.9MB

    • memory/3024-0-0x000000007461E000-0x000000007461F000-memory.dmp

      Filesize

      4KB

    • memory/3024-6-0x00000000050F0000-0x0000000005174000-memory.dmp

      Filesize

      528KB

    • memory/3024-4-0x000000007461E000-0x000000007461F000-memory.dmp

      Filesize

      4KB

    • memory/3024-26-0x0000000074610000-0x0000000074CFE000-memory.dmp

      Filesize

      6.9MB

    • memory/3024-3-0x0000000000430000-0x0000000000440000-memory.dmp

      Filesize

      64KB