Analysis

  • max time kernel
    141s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    25-10-2021 16:35

General

  • Target

    New Order List.exe

  • Size

    369KB

  • MD5

    b1e2487e67ca99aa2ec8e90a85fba689

  • SHA1

    7923fb310de2020fe2ceee7172cba946347b9c78

  • SHA256

    606ccc9d7d6cef071c3b52a5992dcec6f4c1545c63f7e832b564131529692334

  • SHA512

    716bb3a4ea9ea3558c7b8562bd8711519d7d9b46e4e31a16a142c115b4f07cd1298ba232715a83825e07e8fedb4cc0229c1add34dcb8e19ac52a70cff8e0afe0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.crosz-trade-int.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    )^eE(m@1

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
  • Adds Run key to start application 2 TTPs 1 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 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Order List.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order List.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TJtjaYH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF9E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1688
    • C:\Users\Admin\AppData\Local\Temp\New Order List.exe
      "C:\Users\Admin\AppData\Local\Temp\New Order List.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1736

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/784-54-0x00000000009E0000-0x00000000009E1000-memory.dmp

    Filesize

    4KB

  • memory/784-56-0x0000000004A10000-0x0000000004A11000-memory.dmp

    Filesize

    4KB

  • memory/784-57-0x0000000000320000-0x0000000000327000-memory.dmp

    Filesize

    28KB

  • memory/784-58-0x0000000004F00000-0x0000000004F58000-memory.dmp

    Filesize

    352KB

  • memory/1688-59-0x0000000000000000-mapping.dmp

  • memory/1736-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1736-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1736-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1736-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1736-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1736-65-0x00000000004375EE-mapping.dmp

  • memory/1736-66-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1736-68-0x0000000004A00000-0x0000000004A01000-memory.dmp

    Filesize

    4KB

  • memory/1736-69-0x0000000004A01000-0x0000000004A02000-memory.dmp

    Filesize

    4KB