Analysis

  • max time kernel
    122s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:37

General

  • Target

    Daily Report_2020_xls.exe

  • Size

    407KB

  • MD5

    cbb11d12d229cb506a559509ff0d5041

  • SHA1

    fa1b25bb450aa82ee3f2c13b96f9fde45f493533

  • SHA256

    1f5501175aa21ba313350d75cf0c5346095ea7df5b8a4f258bba1b95af6b5a1b

  • SHA512

    38a45fe05b7940d1dd0b2f09d6a4bf7834db6649955653acaf3c5e7e74779ba3a47b31ba04461f9c8a283000af208030a704abfd0f5f9ae9a22be87232ef5bf2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.moorefundz.com
  • Port:
    587
  • Username:
    evra@moorefundz.com
  • Password:
    g7g2Ig?Aeh_+

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 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\Daily Report_2020_xls.exe
    "C:\Users\Admin\AppData\Local\Temp\Daily Report_2020_xls.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\Daily Report_2020_xls.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1192

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1192-58-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1192-59-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1192-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1192-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1192-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1192-64-0x0000000000447DFE-mapping.dmp
  • memory/1192-66-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1192-68-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1964-54-0x0000000000880000-0x00000000008EC000-memory.dmp
    Filesize

    432KB

  • memory/1964-55-0x0000000075401000-0x0000000075403000-memory.dmp
    Filesize

    8KB

  • memory/1964-56-0x00000000004D0000-0x00000000004E0000-memory.dmp
    Filesize

    64KB

  • memory/1964-57-0x0000000000830000-0x0000000000884000-memory.dmp
    Filesize

    336KB