Analysis

  • max time kernel
    123s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    20-10-2021 12:02

General

  • Target

    Payment Copy.exe

  • Size

    424KB

  • MD5

    0d1a6ff14697ef0010762fdd737c93d6

  • SHA1

    ca14674f9a71e647347fd307f9540547c55cb51c

  • SHA256

    eb9b08725f1c9b382cdf683aab1ee0180e2085c8876e71eb7970d83bf2a1f2c3

  • SHA512

    2f4b3d6aea105764049cd9ea93780d23441da12386e35ef47ebc5b74c740851fbf88f5b47b154b30ca5c20d1eafab4085ea6bbad6426be6c029b3709d1de2867

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.croatiahunt.com
  • Port:
    587
  • Username:
    [email protected]
  • 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:1356
    • C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"
      2⤵
        PID:928
      • 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:564

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/564-63-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/564-61-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/564-68-0x0000000004B21000-0x0000000004B22000-memory.dmp
      Filesize

      4KB

    • memory/564-67-0x0000000004B20000-0x0000000004B21000-memory.dmp
      Filesize

      4KB

    • memory/564-65-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/564-59-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/564-62-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/564-60-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/564-64-0x000000000043766E-mapping.dmp
    • memory/1356-53-0x00000000002E0000-0x00000000002E1000-memory.dmp
      Filesize

      4KB

    • memory/1356-55-0x0000000076A81000-0x0000000076A83000-memory.dmp
      Filesize

      8KB

    • memory/1356-58-0x0000000005150000-0x00000000051A8000-memory.dmp
      Filesize

      352KB

    • memory/1356-57-0x00000000004D0000-0x00000000004D7000-memory.dmp
      Filesize

      28KB

    • memory/1356-56-0x0000000004D60000-0x0000000004D61000-memory.dmp
      Filesize

      4KB