Analysis

  • max time kernel
    145s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    16-04-2021 19:36

General

  • Target

    goody(1).exe

  • Size

    1.2MB

  • MD5

    5435ffcc0f1eac1c9056502764f9713c

  • SHA1

    1bd97277f4f7e95c564122f72db68ab16ad539e2

  • SHA256

    bf2ad88f65ab47227ea5240ff3179b62778886f92546c31b380c255bab994858

  • SHA512

    c050ae41cb38b250f7c8b4baf2617b8ca1f1f775ac0f3636f9adb700f0da8a45034085fbba64b4a110996d077d0c1ecac0fdb91698868f1e209850817e50a938

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.almasroor.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    042264528

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 1 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\goody(1).exe
    "C:\Users\Admin\AppData\Local\Temp\goody(1).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Users\Admin\AppData\Local\Temp\goody(1).exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1092

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/736-59-0x0000000000D30000-0x0000000000D31000-memory.dmp

    Filesize

    4KB

  • memory/736-61-0x0000000000C00000-0x0000000000CA0000-memory.dmp

    Filesize

    640KB

  • memory/736-62-0x0000000000600000-0x0000000000601000-memory.dmp

    Filesize

    4KB

  • memory/736-63-0x0000000000420000-0x0000000000425000-memory.dmp

    Filesize

    20KB

  • memory/736-64-0x00000000050E0000-0x0000000005189000-memory.dmp

    Filesize

    676KB

  • memory/736-65-0x0000000005190000-0x00000000051F4000-memory.dmp

    Filesize

    400KB

  • memory/1092-66-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1092-67-0x00000000004375DE-mapping.dmp

  • memory/1092-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1092-70-0x0000000004C10000-0x0000000004C11000-memory.dmp

    Filesize

    4KB

  • memory/1092-71-0x0000000004C11000-0x0000000004C12000-memory.dmp

    Filesize

    4KB