Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 01:48

General

  • Target

    64b1048b77c2ce3fc9d81cdbddfd9e3a1d321ddb882e037245c9f75e3e3c2b23.exe

  • Size

    722KB

  • MD5

    8909a8b8ce01bc8c2026dd49e9f8adda

  • SHA1

    55f67deca95694aa8398be27729a417a938d4032

  • SHA256

    64b1048b77c2ce3fc9d81cdbddfd9e3a1d321ddb882e037245c9f75e3e3c2b23

  • SHA512

    1a7b6b3d31659ca4f9c9085d2b3e4d7bb8cf63b002b135f496b35613b028beb98859fc911407493b93789ea1161ba2859abdc98beed2ade25c7b949700886279

  • SSDEEP

    12288:jWET/mr9KGE+iMs9+GAbwEpcjuSlI+/4XaSfVT86VWjeZ:jWtTs9vCwdjp0b9T8w

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.qfreight-lch.co.th
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Juraluk@171065

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64b1048b77c2ce3fc9d81cdbddfd9e3a1d321ddb882e037245c9f75e3e3c2b23.exe
    "C:\Users\Admin\AppData\Local\Temp\64b1048b77c2ce3fc9d81cdbddfd9e3a1d321ddb882e037245c9f75e3e3c2b23.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Users\Admin\AppData\Local\Temp\64b1048b77c2ce3fc9d81cdbddfd9e3a1d321ddb882e037245c9f75e3e3c2b23.exe
      "C:\Users\Admin\AppData\Local\Temp\64b1048b77c2ce3fc9d81cdbddfd9e3a1d321ddb882e037245c9f75e3e3c2b23.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:216

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\64b1048b77c2ce3fc9d81cdbddfd9e3a1d321ddb882e037245c9f75e3e3c2b23.exe.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • memory/216-11-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/216-19-0x0000000074490000-0x0000000074C40000-memory.dmp

          Filesize

          7.7MB

        • memory/216-18-0x0000000006780000-0x00000000067D0000-memory.dmp

          Filesize

          320KB

        • memory/216-17-0x0000000005260000-0x00000000052C6000-memory.dmp

          Filesize

          408KB

        • memory/216-16-0x0000000074490000-0x0000000074C40000-memory.dmp

          Filesize

          7.7MB

        • memory/216-14-0x0000000074490000-0x0000000074C40000-memory.dmp

          Filesize

          7.7MB

        • memory/3076-5-0x0000000074490000-0x0000000074C40000-memory.dmp

          Filesize

          7.7MB

        • memory/3076-8-0x0000000004870000-0x0000000004880000-memory.dmp

          Filesize

          64KB

        • memory/3076-9-0x00000000077B0000-0x0000000007834000-memory.dmp

          Filesize

          528KB

        • memory/3076-10-0x0000000008B00000-0x0000000008B9C000-memory.dmp

          Filesize

          624KB

        • memory/3076-7-0x0000000005290000-0x000000000529C000-memory.dmp

          Filesize

          48KB

        • memory/3076-6-0x0000000006150000-0x0000000006172000-memory.dmp

          Filesize

          136KB

        • memory/3076-4-0x0000000004F90000-0x0000000004F9A000-memory.dmp

          Filesize

          40KB

        • memory/3076-15-0x0000000074490000-0x0000000074C40000-memory.dmp

          Filesize

          7.7MB

        • memory/3076-0-0x000000007449E000-0x000000007449F000-memory.dmp

          Filesize

          4KB

        • memory/3076-3-0x0000000004EF0000-0x0000000004F82000-memory.dmp

          Filesize

          584KB

        • memory/3076-2-0x00000000054A0000-0x0000000005A44000-memory.dmp

          Filesize

          5.6MB

        • memory/3076-1-0x0000000000430000-0x00000000004EC000-memory.dmp

          Filesize

          752KB