Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    27-12-2024 01:10

General

  • Target

    80cae17ac36cdddcdd35027d72f10d019d82e256fe88e0113c66432137f354fc.exe

  • Size

    816KB

  • MD5

    761a9b943f4038e935b2b8d2c88eec47

  • SHA1

    8f87e691d84de37ceca9c46af7aa94348f7306af

  • SHA256

    80cae17ac36cdddcdd35027d72f10d019d82e256fe88e0113c66432137f354fc

  • SHA512

    03717e7461532764bf6e26b8113f1ab45f8df58ccf2ac61e45927535e4df40c4c013520633f3484669813937970a5adb740269fa75dfc6a9fee062cafbe5e0e1

  • SSDEEP

    12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLnuXWHgW661cj61grRD7C/:ffmMv6Ckr7Mny5QLuXv006iJ7q

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.antoniomayol.com:21
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    cMhKDQUk1{;%

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • 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 3 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 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80cae17ac36cdddcdd35027d72f10d019d82e256fe88e0113c66432137f354fc.exe
    "C:\Users\Admin\AppData\Local\Temp\80cae17ac36cdddcdd35027d72f10d019d82e256fe88e0113c66432137f354fc.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2800
    • C:\Users\Admin\AppData\Local\jailkeeper\cunila.exe
      "C:\Users\Admin\AppData\Local\Temp\80cae17ac36cdddcdd35027d72f10d019d82e256fe88e0113c66432137f354fc.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • 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:2860
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\80cae17ac36cdddcdd35027d72f10d019d82e256fe88e0113c66432137f354fc.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\putrefactible

    Filesize

    239KB

    MD5

    39456ab3dd90771431ba1028569c7ac0

    SHA1

    f5f618ab171e73e70862667c529b4b23cfc80eac

    SHA256

    5dca9a79438e537862da5a4ce8edc508239dba6df1a4684325f6d828bb575d78

    SHA512

    eb66e47adcc462de89d9524faf097a1f2d53fdb01b361feb865637b529ee70e9c4db0003e6c0ac4d580c8b502e7a934941886459360ccb0de76826a5b4d1d599

  • \Users\Admin\AppData\Local\jailkeeper\cunila.exe

    Filesize

    816KB

    MD5

    761a9b943f4038e935b2b8d2c88eec47

    SHA1

    8f87e691d84de37ceca9c46af7aa94348f7306af

    SHA256

    80cae17ac36cdddcdd35027d72f10d019d82e256fe88e0113c66432137f354fc

    SHA512

    03717e7461532764bf6e26b8113f1ab45f8df58ccf2ac61e45927535e4df40c4c013520633f3484669813937970a5adb740269fa75dfc6a9fee062cafbe5e0e1

  • memory/2688-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2688-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2688-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2688-24-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

    Filesize

    4KB

  • memory/2688-25-0x0000000074A60000-0x000000007514E000-memory.dmp

    Filesize

    6.9MB

  • memory/2688-26-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

    Filesize

    4KB

  • memory/2688-27-0x0000000074A60000-0x000000007514E000-memory.dmp

    Filesize

    6.9MB

  • memory/2800-5-0x0000000000900000-0x0000000000904000-memory.dmp

    Filesize

    16KB