Analysis

  • max time kernel
    137s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    22-10-2021 05:42

General

  • Target

    Payment Copy.exe

  • Size

    504KB

  • MD5

    76b7a306c697aab9e1a5a152094c9b00

  • SHA1

    caf45c939526b48b6d822fc6bec1a4bf8a62a677

  • SHA256

    7e0eddc6744c2acde5fcc3a9dc3f6f1e7e1c1b85a1033ae93a0fd53489c71c4f

  • SHA512

    f8eb408f40fa5e10e57448a1913d0bd027c4404b83eff75f06057eae6fcb2e8bf0576447218e2ec504936c249be6f97030a5fb3f09238a5998bf0775b7d90955

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.croatiahunt.com
  • Port:
    587
  • Username:
    info@croatiahunt.com
  • Password:
    VilaVrgade852

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"
      2⤵
        PID:1908
      • C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1940

    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/664-54-0x0000000000D40000-0x0000000000D41000-memory.dmp
      Filesize

      4KB

    • memory/664-56-0x0000000074F81000-0x0000000074F83000-memory.dmp
      Filesize

      8KB

    • memory/664-57-0x00000000003F0000-0x00000000003F7000-memory.dmp
      Filesize

      28KB

    • memory/664-58-0x0000000000740000-0x0000000000741000-memory.dmp
      Filesize

      4KB

    • memory/664-59-0x0000000005020000-0x0000000005078000-memory.dmp
      Filesize

      352KB

    • memory/1940-61-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1940-63-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1940-62-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1940-64-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1940-60-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1940-65-0x000000000043766E-mapping.dmp
    • memory/1940-66-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1940-68-0x0000000004A00000-0x0000000004A01000-memory.dmp
      Filesize

      4KB

    • memory/1940-69-0x0000000004A01000-0x0000000004A02000-memory.dmp
      Filesize

      4KB