Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07/06/2024, 01:41

General

  • Target
    9fe32dde4aa67dd53ece471e40b336d2ca7ae07a79cecea19f86a3f771f5331e.exe
  • Size 1.0MB
  • Sample240607-b4mm5sgf49
  • SHA256 9fe32dde4aa67dd53ece471e40b336d2ca7ae07a79cecea19f86a3f771f5331e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.antoniomayol.com:21

  • Port

    21

  • Password

    cMhKDQUk1{;%

Signatures

  • AgentTesla

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

  • 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 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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\9fe32dde4aa67dd53ece471e40b336d2ca7ae07a79cecea19f86a3f771f5331e.exe
    "C:\Users\Admin\AppData\Local\Temp\9fe32dde4aa67dd53ece471e40b336d2ca7ae07a79cecea19f86a3f771f5331e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Users\Admin\AppData\Local\quinquennia\obtenebrate.exe
      "C:\Users\Admin\AppData\Local\Temp\9fe32dde4aa67dd53ece471e40b336d2ca7ae07a79cecea19f86a3f771f5331e.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\9fe32dde4aa67dd53ece471e40b336d2ca7ae07a79cecea19f86a3f771f5331e.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2620

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        quinquenniad

        • Path C:\Users\Admin\AppData\Local\Temp\quinquenniad
        • Size 239KB
        • SHA256 df487712621a3b1bffdf58d741914dee8537ce7143be6e8ec0bbd2362f6ec229
        • MD5 SHA1 SHA512 SSDEEP

        subbase

        • Path C:\Users\Admin\AppData\Local\Temp\subbase
        • Size 29KB
        • SHA256 050b4df3e5287f0b95792cb62aeb2c9cead552928bfaea78ea9bd234f65102a3
        • MD5 SHA1 SHA512 SSDEEP

        obtenebrate.exe

        • Path C:\Users\Admin\AppData\Local\quinquennia\obtenebrate.exe
        • Size 1.0MB
        • SHA256 9fe32dde4aa67dd53ece471e40b336d2ca7ae07a79cecea19f86a3f771f5331e
        • MD5 SHA1 SHA512 SSDEEP

        obtenebrate.exe

        • Path \Users\Admin\AppData\Local\quinquennia\obtenebrate.exe
        • Size 768KB
        • SHA256 2b56ec7269ae6c6f949cdcb1667b362eb267e880369be298b5beaec057aa804d
        • MD5 SHA1 SHA512 SSDEEP

        memory/1952-10-0x0000000000620000-0x0000000000624000-memory.dmp

        memory/2620-32-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2620-34-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2620-35-0x000000007414E000-0x000000007414F000-memory.dmp

        memory/2620-30-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2620-36-0x0000000074140000-0x000000007482E000-memory.dmp

        memory/2620-37-0x000000007414E000-0x000000007414F000-memory.dmp

        memory/2620-38-0x0000000074140000-0x000000007482E000-memory.dmp