Analysis

  • max time kernel
    62s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2022 08:23

General

  • Target

    1992-57-0x0000000000D50000-0x0000000000D8C000-memory.exe

  • Size

    240KB

  • MD5

    561c9ef06615df99e0f8c5be5f0ecfb7

  • SHA1

    b9ea75f1e13cdf75be8b32e1a9175b26ea201328

  • SHA256

    7296e420f139876ffdc30b27d5c0e29eef4873de52fb023d39a4f140712ad278

  • SHA512

    7f49338698e5799b65c9b6b49e45e2a8ac138831b4985cfd1f86d19ab0072cfa29111c27aab0de4277960636b01a2f8209334ce1428efd7810070fc0dafecbcd

  • SSDEEP

    6144:qskC5Gf7oU3xBMezdF5684W+aXrrNvsV:Rmf7vvvbGV

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5381304443:AAGHVkAfThlNIr1QK0cvWGNfRmolq65orZw/

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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1992-57-0x0000000000D50000-0x0000000000D8C000-memory.exe
    "C:\Users\Admin\AppData\Local\Temp\1992-57-0x0000000000D50000-0x0000000000D8C000-memory.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:4980

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4980-132-0x00000000001C0000-0x00000000001FC000-memory.dmp

    Filesize

    240KB

  • memory/4980-133-0x0000000005020000-0x00000000055C4000-memory.dmp

    Filesize

    5.6MB

  • memory/4980-134-0x0000000004B10000-0x0000000004BAC000-memory.dmp

    Filesize

    624KB

  • memory/4980-135-0x0000000004F50000-0x0000000004FB6000-memory.dmp

    Filesize

    408KB

  • memory/4980-136-0x0000000006420000-0x0000000006470000-memory.dmp

    Filesize

    320KB

  • memory/4980-137-0x0000000006530000-0x00000000065C2000-memory.dmp

    Filesize

    584KB

  • memory/4980-138-0x0000000006710000-0x000000000671A000-memory.dmp

    Filesize

    40KB