Analysis

  • max time kernel
    93s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 01:14

General

  • Target

    4fb5281d2ac2e31416f64aa0ddcece35ac2ebea9fbe503dfdc8036a1289403ca.exe

  • Size

    1.0MB

  • MD5

    52ace262c8e6acdb7d63f959ee499772

  • SHA1

    76760b1c4e049c1ee6d7a2c5723d929bf013519d

  • SHA256

    4fb5281d2ac2e31416f64aa0ddcece35ac2ebea9fbe503dfdc8036a1289403ca

  • SHA512

    edf885bc1c52ded6a9d75d501d78a3240398fa093eada3b0441bc55d36e24a509057e1e6b78c3181a0e89caaa190ce6f934d287ea4933ff5b0b232afe77a725b

  • SSDEEP

    24576:Z4lavt0LkLL9IMixoEgeaU77jfpmBrEOwq9MmCS:okwkn9IMHeaUb4BrEDaPCS

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.stingatoareincendii.ro
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    3.*RYhlG)lkA

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.

  • 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 use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fb5281d2ac2e31416f64aa0ddcece35ac2ebea9fbe503dfdc8036a1289403ca.exe
    "C:\Users\Admin\AppData\Local\Temp\4fb5281d2ac2e31416f64aa0ddcece35ac2ebea9fbe503dfdc8036a1289403ca.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\4fb5281d2ac2e31416f64aa0ddcece35ac2ebea9fbe503dfdc8036a1289403ca.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 812
      2⤵
      • Program crash
      PID:1140
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2232 -ip 2232
    1⤵
      PID:4288

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1304-6-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1304-7-0x00000000736DE000-0x00000000736DF000-memory.dmp

      Filesize

      4KB

    • memory/1304-8-0x00000000054C0000-0x0000000005A64000-memory.dmp

      Filesize

      5.6MB

    • memory/1304-10-0x00000000736D0000-0x0000000073E80000-memory.dmp

      Filesize

      7.7MB

    • memory/1304-9-0x0000000005130000-0x0000000005196000-memory.dmp

      Filesize

      408KB

    • memory/1304-11-0x00000000063F0000-0x0000000006440000-memory.dmp

      Filesize

      320KB

    • memory/1304-12-0x00000000064E0000-0x0000000006572000-memory.dmp

      Filesize

      584KB

    • memory/1304-13-0x0000000006470000-0x000000000647A000-memory.dmp

      Filesize

      40KB

    • memory/1304-14-0x00000000736DE000-0x00000000736DF000-memory.dmp

      Filesize

      4KB

    • memory/1304-15-0x00000000736D0000-0x0000000073E80000-memory.dmp

      Filesize

      7.7MB

    • memory/2232-5-0x0000000004EE0000-0x0000000004EE4000-memory.dmp

      Filesize

      16KB