Analysis

  • max time kernel
    129s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2023 09:23

General

  • Target

    16958065241b763ead9d898c945a9bb8c03e10465a10d734562c0480c970ccbf2c9195cc9c376.dat-decoded.exe

  • Size

    238KB

  • MD5

    11f1939d348cef038e4e873181b059f5

  • SHA1

    84d38561c12b20997e4515e02b3fa340dc8a1812

  • SHA256

    77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019

  • SHA512

    b3cf33a32be0b81a5c770b2761b73cb1b47dda80791d8f2ffd4c3feac568fd3ca012c31ae6762b28059f4a120f904f2af8f54331b7b21fca6a9076ceef173c74

  • SSDEEP

    3072:OjAtRoLlvPPMiY+AQ73+KbpcLP+NlakIfxFry:OoEEPtQ73+Kber+3Ipx

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
  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16958065241b763ead9d898c945a9bb8c03e10465a10d734562c0480c970ccbf2c9195cc9c376.dat-decoded.exe
    "C:\Users\Admin\AppData\Local\Temp\16958065241b763ead9d898c945a9bb8c03e10465a10d734562c0480c970ccbf2c9195cc9c376.dat-decoded.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:4040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4040-0-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4040-1-0x0000000000190000-0x00000000001D2000-memory.dmp

    Filesize

    264KB

  • memory/4040-2-0x00000000053D0000-0x0000000005974000-memory.dmp

    Filesize

    5.6MB

  • memory/4040-3-0x0000000004E10000-0x0000000004E20000-memory.dmp

    Filesize

    64KB

  • memory/4040-4-0x0000000004CC0000-0x0000000004D26000-memory.dmp

    Filesize

    408KB

  • memory/4040-5-0x00000000063A0000-0x00000000063F0000-memory.dmp

    Filesize

    320KB

  • memory/4040-6-0x0000000006490000-0x0000000006522000-memory.dmp

    Filesize

    584KB

  • memory/4040-7-0x0000000006410000-0x000000000641A000-memory.dmp

    Filesize

    40KB

  • memory/4040-8-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4040-9-0x0000000004E10000-0x0000000004E20000-memory.dmp

    Filesize

    64KB