Analysis

  • max time kernel
    135s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    20-10-2021 11:59

General

  • Target

    commercialJ-80-PM-MRQ-4025-6901.exe

  • Size

    645KB

  • MD5

    ca7833cc87497334a8a42c3bcfeb67d0

  • SHA1

    a6828fdda37ca547ca10ed8b6c5f3e185b0cb93d

  • SHA256

    fc02516960b3d60605dc082d3742e3ba76db1ad89ad78c1a75ff9cebd37e237f

  • SHA512

    2b03dcf57f6600681221bca6a7ae92631b54eea16c17fff7fe046004cae2e840c3593d130781a709b730d4188c4d66fc7cf5f296bd1715de0767e635ef492e02

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    !xgapua3

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\commercialJ-80-PM-MRQ-4025-6901.exe
    "C:\Users\Admin\AppData\Local\Temp\commercialJ-80-PM-MRQ-4025-6901.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Users\Admin\AppData\Local\Temp\commercialJ-80-PM-MRQ-4025-6901.exe
      "C:\Users\Admin\AppData\Local\Temp\commercialJ-80-PM-MRQ-4025-6901.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1112-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1112-58-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1112-59-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1112-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1112-63-0x00000000004375EE-mapping.dmp

  • memory/1112-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1112-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1112-66-0x0000000004C40000-0x0000000004C41000-memory.dmp

    Filesize

    4KB

  • memory/1112-67-0x0000000004C41000-0x0000000004C42000-memory.dmp

    Filesize

    4KB

  • memory/1172-55-0x00000000072F0000-0x00000000072F1000-memory.dmp

    Filesize

    4KB

  • memory/1172-56-0x00000000004F0000-0x00000000004F7000-memory.dmp

    Filesize

    28KB

  • memory/1172-57-0x0000000007330000-0x0000000007388000-memory.dmp

    Filesize

    352KB

  • memory/1172-53-0x00000000013A0000-0x00000000013A1000-memory.dmp

    Filesize

    4KB