Analysis

  • max time kernel
    137s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    18-10-2021 16:11

General

  • Target

    New Order.exe

  • Size

    412KB

  • MD5

    5f546d983398118492848fbd6738e005

  • SHA1

    77d3a30309ecd1095118d49cd343dd6d82be592b

  • SHA256

    201e4f71a185f6b79203ad873cc5abbbeb85f1b11a23615403bcabcbb13932d1

  • SHA512

    de2a620945b8758fde36b91736cd05d1e301e0163040528532c49bc3a2f3bf0f3e5959a61b8b60fe5bacc72330218c6ea926f03427011e0dee1337de2ae2aae7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    e)cnIdR1

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • 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
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Order.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ISPAOPbA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp722E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3908
    • C:\Users\Admin\AppData\Local\Temp\New Order.exe
      "C:\Users\Admin\AppData\Local\Temp\New Order.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2456

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1556-122-0x0000000004C00000-0x0000000004C08000-memory.dmp

    Filesize

    32KB

  • memory/1556-115-0x0000000000040000-0x0000000000041000-memory.dmp

    Filesize

    4KB

  • memory/1556-118-0x0000000004900000-0x0000000004901000-memory.dmp

    Filesize

    4KB

  • memory/1556-119-0x00000000049F0000-0x0000000004EEE000-memory.dmp

    Filesize

    5.0MB

  • memory/1556-120-0x00000000048E0000-0x00000000048E1000-memory.dmp

    Filesize

    4KB

  • memory/1556-121-0x000000000A6C0000-0x000000000A6C1000-memory.dmp

    Filesize

    4KB

  • memory/1556-117-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

    Filesize

    4KB

  • memory/1556-123-0x000000000AA10000-0x000000000AA67000-memory.dmp

    Filesize

    348KB

  • memory/2456-126-0x0000000000436D6E-mapping.dmp

  • memory/2456-125-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2456-131-0x0000000005760000-0x0000000005C5E000-memory.dmp

    Filesize

    5.0MB

  • memory/2456-132-0x0000000005820000-0x0000000005821000-memory.dmp

    Filesize

    4KB

  • memory/2456-133-0x0000000006450000-0x0000000006451000-memory.dmp

    Filesize

    4KB

  • memory/3908-124-0x0000000000000000-mapping.dmp