Analysis

  • max time kernel
    137s
  • max time network
    40s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    18-10-2021 19:12

General

  • Target

    SHIPPING DOCUMENT & PL.exe

  • Size

    476KB

  • MD5

    b4bf9d3bda738a3d6794dfb47a85f011

  • SHA1

    b81cfd36eed1b54cc8dd3001f1c3f6e007b3748b

  • SHA256

    695d9cd287ce5ee85681b570ee37daa421550dc4b25101240bba64245a729bd9

  • SHA512

    76259472997a20a2641acd4f797e25abbae63c989a45df7489f643175e6fc9187f616b2044dc0f49ea47904109e16fa7bf826658bd1f48acb6fd6f90d42b90a2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.davaobay.com.ph
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    p@ssw0rd

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 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.

  • 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 use of AdjustPrivilegeToken 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\SHIPPING DOCUMENT & PL.exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PL.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PL.exe
      "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PL.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1836

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1080-53-0x0000000000B80000-0x0000000000B81000-memory.dmp

    Filesize

    4KB

  • memory/1080-55-0x0000000004870000-0x0000000004871000-memory.dmp

    Filesize

    4KB

  • memory/1080-56-0x00000000004D0000-0x00000000004D8000-memory.dmp

    Filesize

    32KB

  • memory/1080-57-0x0000000005C40000-0x0000000005C98000-memory.dmp

    Filesize

    352KB

  • memory/1836-58-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1836-59-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1836-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1836-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1836-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1836-63-0x00000000004376CE-mapping.dmp

  • memory/1836-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1836-66-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/1836-67-0x0000000004B41000-0x0000000004B42000-memory.dmp

    Filesize

    4KB