Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-05-2024 16:38

General

  • Target

    EDDS_EQUIP_DESIGN_DATA_DETAILS_Rev0.exe

  • Size

    607KB

  • MD5

    702c581aaefd114b161130142c695381

  • SHA1

    b78506b3f3f3d93a83df957b83e1bd0559dd85c2

  • SHA256

    2b39449b90e5e0ae5fbd4c725a739be26df6f537628e0c8830b72ea93fe19fff

  • SHA512

    359450e8f5652e669b4388f5f3e583bcc9c5341722da10119e9b1b4c8e603a105e8a89efbdf3a6614fc6a4c96577bf8813043dd5c273dd2f9b826d6ca0c9f1e0

  • SSDEEP

    12288:OiFZhAH10EjNRb8D/Jb4bD7t50BJTSI3/ALph65:DFZ2HRjNK/6dKeIPAK5

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EDDS_EQUIP_DESIGN_DATA_DETAILS_Rev0.exe
    "C:\Users\Admin\AppData\Local\Temp\EDDS_EQUIP_DESIGN_DATA_DETAILS_Rev0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2956
    • C:\Users\Admin\AppData\Local\Temp\EDDS_EQUIP_DESIGN_DATA_DETAILS_Rev0.exe
      "C:\Users\Admin\AppData\Local\Temp\EDDS_EQUIP_DESIGN_DATA_DETAILS_Rev0.exe"
      2⤵
        PID:4048

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsf3AB9.tmp\System.dll

      Filesize

      12KB

      MD5

      e227391c7ff576135eac4871e78ebe2d

      SHA1

      85d4bdbb79bdc47095ca35ed2141b2e64d029218

      SHA256

      edf12a3040cff0d801a86c02313d6605b41d766807f3dcb261754cf01b4e14b9

      SHA512

      06f1b65dd980c6aac17518faf34d200453fedf893efa01bfc71128ccb1a70abcd7165f581c9789caf80776fac313a4e754df7b58f7467930a666de37b55396a6

    • memory/2956-9-0x0000000004A50000-0x000000000587A000-memory.dmp

      Filesize

      14.2MB

    • memory/2956-10-0x00000000771E1000-0x0000000077301000-memory.dmp

      Filesize

      1.1MB

    • memory/2956-11-0x0000000073E35000-0x0000000073E36000-memory.dmp

      Filesize

      4KB

    • memory/2956-13-0x0000000004A50000-0x000000000587A000-memory.dmp

      Filesize

      14.2MB

    • memory/4048-12-0x0000000001720000-0x000000000254A000-memory.dmp

      Filesize

      14.2MB

    • memory/4048-14-0x00000000004C0000-0x0000000001714000-memory.dmp

      Filesize

      18.3MB

    • memory/4048-16-0x0000000001720000-0x000000000254A000-memory.dmp

      Filesize

      14.2MB