Analysis

  • max time kernel
    121s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 12:24

General

  • Target

    7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe

  • Size

    1.2MB

  • MD5

    0c9c80a0373b2081fa5bb61e8336fb45

  • SHA1

    487a24e1bca88280b8a66da12f77179b1337bd80

  • SHA256

    7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7

  • SHA512

    9d411ffefd29dbe8df0ccaf0270d7a10c46987b8995f1ccd0ce6db5b0d616e8a2249053c3327b8de01bccb88de667933067018c7947c3197da2db498af0e8362

  • SSDEEP

    24576:WAHnh+eWsN3skA4RV1Hom2KXMmHaf1mczftS95:xh+ZkldoPK8YafYQftQ

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 15 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
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 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\7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe
    "C:\Users\Admin\AppData\Local\Temp\7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1996

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

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Downloads

  • memory/1060-54-0x0000000076831000-0x0000000076833000-memory.dmp
    Filesize

    8KB

  • memory/1996-55-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-57-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-62-0x0000000000447B9E-mapping.dmp
  • memory/1996-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-64-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-66-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-67-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-68-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-69-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-71-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-73-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-74-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-77-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-80-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-79-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-82-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1996-83-0x0000000074C00000-0x00000000751AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1996-84-0x0000000074C00000-0x00000000751AB000-memory.dmp
    Filesize

    5.7MB