Analysis

  • max time kernel
    94s
  • max time network
    67s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 15:17

General

  • Target

    file.exe

  • Size

    1.2MB

  • MD5

    b0683925365bc31d28e77520b55a6175

  • SHA1

    2ce8ad01ee917b1307eb706b33fcc7af7276612e

  • SHA256

    675e5a2d1850dbf2fd2a6e99bc566e717a3b2221c7fe4c6c0ce28cd14e09f64e

  • SHA512

    6272ff19d48d60a1477a5e06ac93dca854c49e9193fadd481e76419821fec68e0364e4c8991711f634e98ca990fc142efffdc8f082f7731641be41bff40fb0ad

  • SSDEEP

    24576:e9ntG/qdOxaNr+TcSQwfKYQCXcgyQTEeNPDsDO:ms/qdOxaZsswSYQWPPAeNo

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.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:1688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1688-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1688-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1688-70-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1688-68-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1688-66-0x0000000000437C8E-mapping.dmp
  • memory/1688-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1688-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1688-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1752-55-0x0000000076261000-0x0000000076263000-memory.dmp
    Filesize

    8KB

  • memory/1752-54-0x0000000000C30000-0x0000000000D62000-memory.dmp
    Filesize

    1.2MB

  • memory/1752-59-0x0000000004A20000-0x0000000004A90000-memory.dmp
    Filesize

    448KB

  • memory/1752-58-0x0000000006100000-0x00000000061AA000-memory.dmp
    Filesize

    680KB

  • memory/1752-57-0x00000000004D0000-0x00000000004DC000-memory.dmp
    Filesize

    48KB

  • memory/1752-56-0x00000000004B0000-0x00000000004C8000-memory.dmp
    Filesize

    96KB