Analysis

  • max time kernel
    121s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    31/08/2023, 19:59

General

  • Target

    473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe

  • Size

    238KB

  • MD5

    1d9458d1b2046f16cd655d74a6b36093

  • SHA1

    102e9b7cdc6fb1b8e9779c826447a353cbd6f563

  • SHA256

    473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390

  • SHA512

    b3fa30ed18a4b4e38afe6006b1fde10db2a4dda95cc4dcd1ce4da21159bfcb50413c2a7aa276e0ad9b4ad6b35af40bfcdbd397561dcee5a73daa43ceeee07996

  • SSDEEP

    3072:TDLwsxES890RhmMxIRDtJq1W/f0stl/IETMy:Dw10rmgIpq1qHP/nM

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\473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2256-0-0x0000000000020000-0x0000000000062000-memory.dmp

    Filesize

    264KB

  • memory/2256-1-0x0000000073DD0000-0x00000000744BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2256-2-0x0000000004AF0000-0x0000000004B30000-memory.dmp

    Filesize

    256KB

  • memory/2256-3-0x0000000073DD0000-0x00000000744BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2256-4-0x0000000004AF0000-0x0000000004B30000-memory.dmp

    Filesize

    256KB