Analysis

  • max time kernel
    135s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25-01-2021 14:37

General

  • Target

    r9SWnqQlK8PFPEp.exe

  • Size

    927KB

  • MD5

    ab19c9b71f6af37fd29fa44377fada56

  • SHA1

    b91f5469e965d3cf9ef860ac39248ebdd1c16c3c

  • SHA256

    817f8cd46ad17c8f466e99582e24cc335ff5be48d6f8fbc6d41dc466be8fbb35

  • SHA512

    4d1ba2b85f159d0af88133f73be8af958432f91f5abd008b6979fe782e4e07c806509da2e7f2d0905ca52a46da8075e5ef795df0aca20cffbc418b96c3d81572

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cefortem.cat
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Vft284Rpyn

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 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\r9SWnqQlK8PFPEp.exe
    "C:\Users\Admin\AppData\Local\Temp\r9SWnqQlK8PFPEp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:596
    • C:\Users\Admin\AppData\Local\Temp\r9SWnqQlK8PFPEp.exe
      "{path}"
      2⤵
        PID:1436
      • C:\Users\Admin\AppData\Local\Temp\r9SWnqQlK8PFPEp.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:608

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/596-2-0x0000000074CC0000-0x00000000753AE000-memory.dmp

      Filesize

      6.9MB

    • memory/596-3-0x0000000000220000-0x0000000000221000-memory.dmp

      Filesize

      4KB

    • memory/596-5-0x00000000003D0000-0x00000000003DE000-memory.dmp

      Filesize

      56KB

    • memory/596-6-0x00000000041A0000-0x00000000041A1000-memory.dmp

      Filesize

      4KB

    • memory/596-7-0x0000000005390000-0x000000000541D000-memory.dmp

      Filesize

      564KB

    • memory/608-8-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/608-9-0x00000000004374DE-mapping.dmp

    • memory/608-10-0x0000000074CC0000-0x00000000753AE000-memory.dmp

      Filesize

      6.9MB

    • memory/608-11-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/608-13-0x0000000000490000-0x0000000000491000-memory.dmp

      Filesize

      4KB

    • memory/608-14-0x0000000000491000-0x0000000000492000-memory.dmp

      Filesize

      4KB