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Analysis

  • max time kernel
    104s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 12:48

General

  • Target

    c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe

  • Size

    1.2MB

  • MD5

    eb1f8cce1cf50d9af4a3807e98ee25d2

  • SHA1

    b58d459ef5cb11f2b8cb7798ceffd9a65d4c9158

  • SHA256

    c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666

  • SHA512

    6f87b8831a49e85ed0d1b14600b7a3030cca3969a280e1733ce9f62ac9860a06e61e150b631f257014eea310a15b9a95d5786880881fddf09cf2ee29fed5a0ca

  • SSDEEP

    24576:pRmJkcoQricOIQxiZY1iaQ4UWqbG3MqFst6VoTDg:mJZoQrbTFZY1iaQV3G3MqF/VL

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Signatures

  • AgentTesla

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe
    "C:\Users\Admin\AppData\Local\Temp\c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.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:1552
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/216-3-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/216-4-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

    Filesize

    4KB

  • memory/216-5-0x0000000005D80000-0x0000000006324000-memory.dmp

    Filesize

    5.6MB

  • memory/216-6-0x00000000059F0000-0x0000000005A56000-memory.dmp

    Filesize

    408KB

  • memory/216-7-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/216-10-0x0000000006DE0000-0x0000000006E30000-memory.dmp

    Filesize

    320KB

  • memory/216-11-0x0000000006F50000-0x0000000006FE2000-memory.dmp

    Filesize

    584KB

  • memory/216-12-0x0000000006EF0000-0x0000000006EFA000-memory.dmp

    Filesize

    40KB

  • memory/216-13-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

    Filesize

    4KB

  • memory/216-14-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/1552-2-0x0000000004140000-0x0000000004340000-memory.dmp

    Filesize

    2.0MB