Analysis

  • max time kernel
    149s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    08-07-2020 07:03

General

  • Target

    SW10SREQ190094.exe

  • Size

    824KB

  • MD5

    5c9ad0cdd0e0913a9a1847b809162b50

  • SHA1

    6bfec068f74522e3c5b56a2741824e7ff7ef253b

  • SHA256

    07829eb8e9b39519eb161a807a363b3d8429dbbd9fd69a6da56864b6c52999fa

  • SHA512

    9ab3df9121527446a85e0b953e18ba4c62b24db08c15e39f9e3543cec7e1acbae14b55c274fcc3778df4d18d833af1beafe9eb8ca22b33e0d019204187d1bb06

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.drngetu.co.za
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    smithsteve222

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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 SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SW10SREQ190094.exe
    "C:\Users\Admin\AppData\Local\Temp\SW10SREQ190094.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\SW10SREQ190094.exe
      "{path}"
      2⤵
        PID:1816
      • C:\Users\Admin\AppData\Local\Temp\SW10SREQ190094.exe
        "{path}"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1808

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1360-1-0x0000000000000000-0x0000000000000000-disk.dmp
    • memory/1808-2-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1808-3-0x00000000004476FE-mapping.dmp
    • memory/1808-4-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1808-5-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB