Analysis

  • max time kernel
    118s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    13-07-2020 06:33

General

  • Target

    SHIPPING D0CUMENT.exe

  • Size

    475KB

  • MD5

    d44bba93ed7216ec2ec6b47f2dd92602

  • SHA1

    1f283f532a568d33464754b9d5b7aa2b5df0830b

  • SHA256

    dc93d479b3ff464ce339744f96b0921c4d1294d9ca66d8962ce7d207873c0f71

  • SHA512

    2fdb72a483f77cf9a8c8c694463b571a8daf386d5a4542413e7f829f7b53923b436df5b9e1233ef77b078a2c549e0f63ee463515bb61530cbd324e319213c4cd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pierreinsurancebrokers.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    advisor@1234

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHIPPING D0CUMENT.exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING D0CUMENT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QliVNf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp890C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:532
    • C:\Users\Admin\AppData\Local\Temp\SHIPPING D0CUMENT.exe
      "C:\Users\Admin\AppData\Local\Temp\SHIPPING D0CUMENT.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:928

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp890C.tmp
    MD5

    ad5cc4a4a2b43d68b1ef86c3995ffc22

    SHA1

    afbee569bb9093d0d873c42ae733469409050f4e

    SHA256

    db7b22e96587eb00f946e35286aa41205ae6c5997384d8f99c084d0dd6531c4d

    SHA512

    026df6c1595f7deea2c5f2da9529f0c7ad169f9c7922250e79f67b65d665f5fb1891e40aa6ed961f2e67d01a303091dc63003820a71c04781e576af5d7812718

  • memory/532-2-0x0000000000000000-mapping.dmp
  • memory/928-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/928-5-0x0000000000446C5E-mapping.dmp
  • memory/928-6-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/928-7-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1496-1-0x0000000000000000-0x0000000000000000-disk.dmp