Analysis

  • max time kernel
    100s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2023 09:40

General

  • Target

    download.exe

  • Size

    163KB

  • MD5

    dc6e37fd36946a6681955aa9a462a009

  • SHA1

    07aa2d9a8b8cbfad6f88289bf49e38d420354af0

  • SHA256

    8c08ef05c00b42193b35610c68da0730d8f881fc1ec474bc5dfdcf5d4252e440

  • SHA512

    a12708f69794153bf7c4d6e717537a65759dac7a2d0e98ad06c91bd5c2405753839b1524ce8998fcc9254ab167d3016d8ec546c9adadbd4880c9a1b35d7dee51

  • SSDEEP

    3072:Zjl/jgj0yAbLety1u4NjmZ//lETO8tfiBSgKO4d9RrB3sAgJm/Ekd:zlyAbLGotNjmN/OTO8eS53RrFZaor

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.sisoempresarialsas.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    .!LV?]FKWxUy

Signatures

  • AgentTesla

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

  • 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\download.exe
    "C:\Users\Admin\AppData\Local\Temp\download.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:3260

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3260-133-0x0000000000010000-0x0000000000040000-memory.dmp

    Filesize

    192KB

  • memory/3260-134-0x0000000005020000-0x00000000055C4000-memory.dmp

    Filesize

    5.6MB

  • memory/3260-135-0x00000000049E0000-0x0000000004A46000-memory.dmp

    Filesize

    408KB

  • memory/3260-136-0x0000000002410000-0x0000000002420000-memory.dmp

    Filesize

    64KB

  • memory/3260-137-0x0000000005B40000-0x0000000005BD2000-memory.dmp

    Filesize

    584KB

  • memory/3260-138-0x0000000005B30000-0x0000000005B3A000-memory.dmp

    Filesize

    40KB

  • memory/3260-139-0x0000000005DA0000-0x0000000005DF0000-memory.dmp

    Filesize

    320KB

  • memory/3260-140-0x0000000002410000-0x0000000002420000-memory.dmp

    Filesize

    64KB