Analysis

  • max time kernel
    107s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    19-04-2021 15:06

General

  • Target

    Orders.exe

  • Size

    23KB

  • MD5

    74f25f624f40c12bf270ec8c79c042af

  • SHA1

    2a44961bc6099b553258adda6b0c5e7871f8069a

  • SHA256

    07ec2c9cdd71be2769952cb169ec7db7625ba8790d95cf3d977b9544d8efbcf9

  • SHA512

    272a813a369f38db8ec1580d86181b809ef67628f5c6e44d078f9f45d7dbc4f19e5b7b64e29497621e29ef2c06b0950f0bab364d8177ea8d71dfa74b632a8eab

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.jumatsedekah.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    YV1i#[N*@-6-

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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.

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Orders.exe
    "C:\Users\Admin\AppData\Local\Temp\Orders.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:520
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:772
    • C:\Users\Admin\AppData\Local\Temp\Orders.exe
      "C:\Users\Admin\AppData\Local\Temp\Orders.exe"
      2⤵
        PID:752
      • C:\Users\Admin\AppData\Local\Temp\Orders.exe
        "C:\Users\Admin\AppData\Local\Temp\Orders.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:856
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 1756
        2⤵
        • Program crash
        PID:1456

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/520-64-0x0000000000000000-mapping.dmp
    • memory/772-65-0x0000000000000000-mapping.dmp
    • memory/856-67-0x00000000004374AE-mapping.dmp
    • memory/856-66-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/856-68-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/856-70-0x0000000004AB0000-0x0000000004AB1000-memory.dmp
      Filesize

      4KB

    • memory/856-71-0x0000000004AB1000-0x0000000004AB2000-memory.dmp
      Filesize

      4KB

    • memory/1632-60-0x0000000000FE0000-0x0000000000FE1000-memory.dmp
      Filesize

      4KB

    • memory/1632-62-0x0000000000F50000-0x0000000000F51000-memory.dmp
      Filesize

      4KB

    • memory/1632-63-0x00000000002C0000-0x0000000000315000-memory.dmp
      Filesize

      340KB