Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2024, 07:06

General

  • Target

    006266f9eda6903e064e94e834d9513ad3a85c2d9964b50dd90d03e2b784ce2a.exe

  • Size

    347KB

  • MD5

    2fcc530a5fc66fd49ff424b391fc8870

  • SHA1

    27b20a90bd57aec3cf96612c309d50a7ed29165a

  • SHA256

    006266f9eda6903e064e94e834d9513ad3a85c2d9964b50dd90d03e2b784ce2a

  • SHA512

    96cfefd32c827fd2e15282b3c1a6619b255f1ca7d408e90b9e21fa9c5c09cf0f1d119bd4d21cd717db41609325f385efa6c4f5d2f0c049ad8979204efa1ea1b3

  • SSDEEP

    6144:cQIqsryFc2ZF3GOO+Fg8aDeoY790Ckk5FX2A90Wlo0neOBh:cQcabrOPCVZ0k99ZzB

Malware Config

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\006266f9eda6903e064e94e834d9513ad3a85c2d9964b50dd90d03e2b784ce2a.exe
    "C:\Users\Admin\AppData\Local\Temp\006266f9eda6903e064e94e834d9513ad3a85c2d9964b50dd90d03e2b784ce2a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Users\Admin\AppData\Local\Temp\006266f9eda6903e064e94e834d9513ad3a85c2d9964b50dd90d03e2b784ce2a.exe
      "C:\Users\Admin\AppData\Local\Temp\006266f9eda6903e064e94e834d9513ad3a85c2d9964b50dd90d03e2b784ce2a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4520

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1868-9-0x0000000074650000-0x0000000074E00000-memory.dmp

          Filesize

          7.7MB

        • memory/1868-1-0x0000000074650000-0x0000000074E00000-memory.dmp

          Filesize

          7.7MB

        • memory/1868-2-0x00000000059F0000-0x0000000005A00000-memory.dmp

          Filesize

          64KB

        • memory/1868-0-0x0000000000ED0000-0x0000000000F2C000-memory.dmp

          Filesize

          368KB

        • memory/1868-4-0x0000000005880000-0x0000000005881000-memory.dmp

          Filesize

          4KB

        • memory/4520-8-0x0000000005470000-0x00000000054D6000-memory.dmp

          Filesize

          408KB

        • memory/4520-6-0x0000000074650000-0x0000000074E00000-memory.dmp

          Filesize

          7.7MB

        • memory/4520-5-0x0000000005A20000-0x0000000005FC4000-memory.dmp

          Filesize

          5.6MB

        • memory/4520-3-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/4520-7-0x00000000053F0000-0x0000000005400000-memory.dmp

          Filesize

          64KB

        • memory/4520-10-0x0000000006AD0000-0x0000000006B20000-memory.dmp

          Filesize

          320KB

        • memory/4520-11-0x0000000006BC0000-0x0000000006C5C000-memory.dmp

          Filesize

          624KB

        • memory/4520-12-0x0000000074650000-0x0000000074E00000-memory.dmp

          Filesize

          7.7MB

        • memory/4520-13-0x00000000053F0000-0x0000000005400000-memory.dmp

          Filesize

          64KB

        • memory/4520-14-0x0000000006D00000-0x0000000006D92000-memory.dmp

          Filesize

          584KB

        • memory/4520-15-0x0000000006C80000-0x0000000006C8A000-memory.dmp

          Filesize

          40KB