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Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/07/2024, 11:11

General

  • Target

    Loader.exe

  • Size

    1.8MB

  • MD5

    af942eb89801ce13916b5eecbd060bba

  • SHA1

    65e0d7c0c134cd2b295ea6c123c064cf86f5321e

  • SHA256

    85a7b4ed3f550ab6acea6d3daa78389926d90d99abc6b74ea3556a43907b5866

  • SHA512

    7da265793fe4b35c261a8a00238ad91cecd8d4a07303e06893cb3516c7e7f6156b5898d0db0576adfce23deb001d22c45bdf5885e5a0b239e558aba8a5ccbdfa

  • SSDEEP

    24576:xITMvRFhRRbNWoCfkYSEH3OqtwIuXFJeRqR21rDTfQPvQr:xITYbNbNWo4kSH3OqtwIq+qR21rDH

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c start cmd /C "color b && title Error && echo You must run the function KeyAuthApp.init(); first && timeout /t 5"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Windows\SysWOW64\cmd.exe
        cmd /C "color b && title Error && echo You must run the function KeyAuthApp.init(); first && timeout /t 5"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1168
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          4⤵
          • Delays execution with timeout.exe
          PID:3620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1828-0-0x000000007464E000-0x000000007464F000-memory.dmp

    Filesize

    4KB

  • memory/1828-1-0x0000000000020000-0x00000000001FC000-memory.dmp

    Filesize

    1.9MB

  • memory/1828-2-0x0000000005140000-0x00000000056E4000-memory.dmp

    Filesize

    5.6MB

  • memory/1828-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp

    Filesize

    584KB

  • memory/1828-4-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

    Filesize

    72KB

  • memory/1828-5-0x0000000004DC0000-0x0000000004DCA000-memory.dmp

    Filesize

    40KB

  • memory/1828-6-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1828-7-0x00000000056F0000-0x0000000005904000-memory.dmp

    Filesize

    2.1MB

  • memory/1828-8-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1828-9-0x000000007464E000-0x000000007464F000-memory.dmp

    Filesize

    4KB

  • memory/1828-11-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1828-15-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB