Analysis

  • max time kernel
    141s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20230703-en
  • resource tags

    arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
  • submitted
    12/07/2023, 06:02

General

  • Target
    DILIGENT HOLDINGS Requirement.exe
  • Size 287KB
  • Sample230712-grflysca72
  • SHA256 922a02ffd022784f01ade79f8737a955cd2bc5fcc358c51a1c3d325e1d29ebea
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • AgentTesla

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

  • Loads dropped DLL 1 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DILIGENT HOLDINGS Requirement.exe
    "C:\Users\Admin\AppData\Local\Temp\DILIGENT HOLDINGS Requirement.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Users\Admin\AppData\Local\Temp\DILIGENT HOLDINGS Requirement.exe
      "C:\Users\Admin\AppData\Local\Temp\DILIGENT HOLDINGS Requirement.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2272

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        dwxqe.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsj2159.tmp\dwxqe.dll
        • Size 83KB
        • SHA256 eae73cf37acf16ab4d92f5a853702a082e463a08ed899b51d7fa6a1b40573eb3
        • MD5 SHA1 SHA512 SSDEEP

        dwxqe.dll

        • Path \Users\Admin\AppData\Local\Temp\nsj2159.tmp\dwxqe.dll
        • Size 83KB
        • SHA256 eae73cf37acf16ab4d92f5a853702a082e463a08ed899b51d7fa6a1b40573eb3
        • MD5 SHA1 SHA512 SSDEEP

        memory/2272-61-0x0000000000400000-0x000000000043F000-memory.dmp

        memory/2272-63-0x0000000000400000-0x000000000043F000-memory.dmp

        memory/2272-64-0x00000000004C0000-0x00000000004EE000-memory.dmp

        memory/2272-65-0x0000000000400000-0x000000000043F000-memory.dmp

        memory/2272-66-0x0000000004540000-0x0000000004580000-memory.dmp