Analysis

  • max time kernel
    113s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-09-2024 15:06

General

  • Target

    Documente de expediere 000293893.exe

  • Size

    835KB

  • MD5

    ddc7db95fccfbcfe670e1af477ed15f7

  • SHA1

    46f7aa42009718911a1da597cbee29097c089283

  • SHA256

    506c239dbfaa021d6189c70a150211f5b16c7a5fc1412beaf753b98c825e0853

  • SHA512

    c5926759a32804f2a6a79e4e843cd4c01026e5086b706f4da283a9c14bda89cec2f46ccbaa217c1590f0f28168b89f63f5671de4c5fdfb6093f941d6d3cd167a

  • SSDEEP

    24576:TIMo3k/DE3PCQf3arZPgaDNvZm+VJEq/p:TZDQParZPga58cJD

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • 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 use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Documente de expediere 000293893.exe
    "C:\Users\Admin\AppData\Local\Temp\Documente de expediere 000293893.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Users\Admin\AppData\Local\Temp\Documente de expediere 000293893.exe
      "C:\Users\Admin\AppData\Local\Temp\Documente de expediere 000293893.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2696-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-14-0x0000000007010000-0x00000000070AC000-memory.dmp

    Filesize

    624KB

  • memory/2696-13-0x0000000006F20000-0x0000000006F70000-memory.dmp

    Filesize

    320KB

  • memory/2696-12-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/2696-10-0x0000000005870000-0x00000000058D6000-memory.dmp

    Filesize

    408KB

  • memory/2696-9-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/2696-8-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-3-0x00000000052E0000-0x0000000005372000-memory.dmp

    Filesize

    584KB

  • memory/4652-6-0x0000000005440000-0x0000000005488000-memory.dmp

    Filesize

    288KB

  • memory/4652-5-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-4-0x0000000005390000-0x000000000539A000-memory.dmp

    Filesize

    40KB

  • memory/4652-11-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-0-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/4652-2-0x00000000057B0000-0x0000000005D54000-memory.dmp

    Filesize

    5.6MB

  • memory/4652-1-0x0000000000810000-0x00000000008E8000-memory.dmp

    Filesize

    864KB