Analysis

  • max time kernel
    108s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-02-2021 09:57

General

  • Target

    SecuriteInfo.com.Artemis9DECF18E822A.1711.28693.exe

  • Size

    17KB

  • MD5

    9decf18e822a2b03210185facccba692

  • SHA1

    620b31f55ddad8ae34067f945cc0b7a7933e8538

  • SHA256

    17a68f9da8d4a8ad6bedb9e2245d88ec5d368ed97c4de660057a1b4ef17b848a

  • SHA512

    e0f8b91244e0fe7f0e734599957c59dd4afdbad2fa6b8b7f97f7c792855b8ef8667406c89fcc195c6612a606338cff6ce5bb91f512c17399e37ef47a0f4f47ad

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.orienttech.com.qa
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Op{^fLb9gN[!

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Artemis9DECF18E822A.1711.28693.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Artemis9DECF18E822A.1711.28693.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:3724
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Artemis9DECF18E822A.1711.28693.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Artemis9DECF18E822A.1711.28693.exe"
      2⤵
        PID:2260
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Artemis9DECF18E822A.1711.28693.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Artemis9DECF18E822A.1711.28693.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3692

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2700-8-0x0000000000000000-mapping.dmp
    • memory/3692-19-0x0000000004F70000-0x0000000004F71000-memory.dmp
      Filesize

      4KB

    • memory/3692-18-0x0000000004F60000-0x0000000004F61000-memory.dmp
      Filesize

      4KB

    • memory/3692-23-0x0000000004F61000-0x0000000004F62000-memory.dmp
      Filesize

      4KB

    • memory/3692-22-0x0000000000C50000-0x0000000000C51000-memory.dmp
      Filesize

      4KB

    • memory/3692-12-0x00000000004374AE-mapping.dmp
    • memory/3692-21-0x0000000005ED0000-0x0000000005ED1000-memory.dmp
      Filesize

      4KB

    • memory/3692-20-0x0000000005B00000-0x0000000005B01000-memory.dmp
      Filesize

      4KB

    • memory/3692-11-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/3692-13-0x0000000073820000-0x0000000073F0E000-memory.dmp
      Filesize

      6.9MB

    • memory/3724-9-0x0000000000000000-mapping.dmp
    • memory/4048-3-0x0000000000A10000-0x0000000000A11000-memory.dmp
      Filesize

      4KB

    • memory/4048-10-0x0000000007730000-0x0000000007731000-memory.dmp
      Filesize

      4KB

    • memory/4048-2-0x0000000073820000-0x0000000073F0E000-memory.dmp
      Filesize

      6.9MB

    • memory/4048-5-0x0000000005250000-0x0000000005251000-memory.dmp
      Filesize

      4KB

    • memory/4048-7-0x0000000004CC0000-0x0000000004D07000-memory.dmp
      Filesize

      284KB

    • memory/4048-6-0x0000000006D80000-0x0000000006D81000-memory.dmp
      Filesize

      4KB