Analysis

  • max time kernel
    132s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 10:03

General

  • Target

    34bbf0a5c4ce0bbb9dbc057612abad15bd81f5e180152dd92a258af9de909561.exe

  • Size

    1018KB

  • MD5

    f7a1d8cc49f1e7ec9dcd56c43bc76e16

  • SHA1

    6cb3cabce65eafe7e03748ef759e1f121b3a17d9

  • SHA256

    34bbf0a5c4ce0bbb9dbc057612abad15bd81f5e180152dd92a258af9de909561

  • SHA512

    a39260193fc44e190ceda6c351fa193f527a1d15538189253472ed3252a883578556bed23145b061d91f9884ec603d84b6aae955ba0bf2a9192ee7a4ef163d0f

  • SSDEEP

    12288:0TCVylF28oxAELPGZnK/YLxwDCwuUpUG6kDIgGGnxCCkWUi96dyXdncy8iFAuXY6:AvlbMGWrhu

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.prozero-d.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    u*Uv_?kUwgU[

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34bbf0a5c4ce0bbb9dbc057612abad15bd81f5e180152dd92a258af9de909561.exe
    "C:\Users\Admin\AppData\Local\Temp\34bbf0a5c4ce0bbb9dbc057612abad15bd81f5e180152dd92a258af9de909561.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4640
    • C:\Users\Admin\AppData\Local\Temp\34bbf0a5c4ce0bbb9dbc057612abad15bd81f5e180152dd92a258af9de909561.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:672

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\34bbf0a5c4ce0bbb9dbc057612abad15bd81f5e180152dd92a258af9de909561.exe.log

    Filesize

    1KB

    MD5

    b7b9acb869ccc7f7ecb5304ec0384dee

    SHA1

    6a90751c95817903ee833d59a0abbef425a613b3

    SHA256

    8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

    SHA512

    7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

  • memory/672-137-0x0000000000000000-mapping.dmp

  • memory/672-138-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/672-140-0x0000000005C40000-0x0000000005CA6000-memory.dmp

    Filesize

    408KB

  • memory/672-141-0x0000000006930000-0x0000000006980000-memory.dmp

    Filesize

    320KB

  • memory/4640-132-0x0000000000D90000-0x0000000000E94000-memory.dmp

    Filesize

    1.0MB

  • memory/4640-133-0x0000000005D70000-0x0000000006314000-memory.dmp

    Filesize

    5.6MB

  • memory/4640-134-0x0000000005860000-0x00000000058F2000-memory.dmp

    Filesize

    584KB

  • memory/4640-135-0x00000000059E0000-0x00000000059EA000-memory.dmp

    Filesize

    40KB

  • memory/4640-136-0x0000000009560000-0x00000000095FC000-memory.dmp

    Filesize

    624KB