Analysis

  • max time kernel
    150s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:27

General

  • Target

    e2c966183cc63c7a0d36c9737a98b3ed161bcb20c018221fd81cdfc0ec75636a.exe

  • Size

    637KB

  • MD5

    ab4ec561992d137fc4c3223374b19e1f

  • SHA1

    81bd95f924221e2e461c1586446218f7e99a2a2a

  • SHA256

    e2c966183cc63c7a0d36c9737a98b3ed161bcb20c018221fd81cdfc0ec75636a

  • SHA512

    39d0c4bb9476a38297dcf47456ba7e49feffd3dfa3e0271e78e6fa03bb4f243f3e402b5a3da646d12cbe3ad315ab9895bcd9087ce65ccd47593e0bb215f3121b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.titanworkinharders.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    =56XtUT(r0yF

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2c966183cc63c7a0d36c9737a98b3ed161bcb20c018221fd81cdfc0ec75636a.exe
    "C:\Users\Admin\AppData\Local\Temp\e2c966183cc63c7a0d36c9737a98b3ed161bcb20c018221fd81cdfc0ec75636a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Users\Admin\AppData\Local\Temp\e2c966183cc63c7a0d36c9737a98b3ed161bcb20c018221fd81cdfc0ec75636a.exe
      "C:\Users\Admin\AppData\Local\Temp\e2c966183cc63c7a0d36c9737a98b3ed161bcb20c018221fd81cdfc0ec75636a.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1240-54-0x0000000000170000-0x0000000000216000-memory.dmp

    Filesize

    664KB

  • memory/1240-55-0x0000000000410000-0x0000000000420000-memory.dmp

    Filesize

    64KB

  • memory/1240-56-0x00000000071F0000-0x000000000726E000-memory.dmp

    Filesize

    504KB

  • memory/1240-57-0x0000000004200000-0x000000000425A000-memory.dmp

    Filesize

    360KB

  • memory/1552-58-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-59-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-61-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-62-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-63-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-64-0x00000000004464BE-mapping.dmp

  • memory/1552-66-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-68-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-69-0x00000000753E1000-0x00000000753E3000-memory.dmp

    Filesize

    8KB