Analysis

  • max time kernel
    167s
  • max time network
    212s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 14:09

General

  • Target
    160-4833933645027883.exe
  • Size 376KB
  • Sample221124-rf5f2shf33
  • SHA256 d254745ca2edd62c5e9d3231b3131ae065b2e1759fe9916df96e6c14af59a99e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • AgentTesla

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\160-4833933645027883.exe
    "C:\Users\Admin\AppData\Local\Temp\160-4833933645027883.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Users\Admin\AppData\Local\Temp\gleyixnnq.exe
      "C:\Users\Admin\AppData\Local\Temp\gleyixnnq.exe" C:\Users\Admin\AppData\Local\Temp\kbtqgbfjer.am
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2160
      • C:\Users\Admin\AppData\Local\Temp\gleyixnnq.exe
        "C:\Users\Admin\AppData\Local\Temp\gleyixnnq.exe" C:\Users\Admin\AppData\Local\Temp\kbtqgbfjer.am
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4976
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 968
          4⤵
          • Program crash
          PID:2968
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4976 -ip 4976
    1⤵
      PID:4300

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          gleyixnnq.exe

          • Path C:\Users\Admin\AppData\Local\Temp\gleyixnnq.exe
          • Size 332KB
          • SHA256 2668a97429e0591f37d064dc062ba2ea5c5d625b1c7b3476e9f090bf70d60ac1
          • MD5 SHA1 SHA512 SSDEEP

          gleyixnnq.exe

          • Path C:\Users\Admin\AppData\Local\Temp\gleyixnnq.exe
          • Size 332KB
          • SHA256 2668a97429e0591f37d064dc062ba2ea5c5d625b1c7b3476e9f090bf70d60ac1
          • MD5 SHA1 SHA512 SSDEEP

          gleyixnnq.exe

          • Path C:\Users\Admin\AppData\Local\Temp\gleyixnnq.exe
          • Size 332KB
          • SHA256 2668a97429e0591f37d064dc062ba2ea5c5d625b1c7b3476e9f090bf70d60ac1
          • MD5 SHA1 SHA512 SSDEEP

          hdczdi.v

          • Path C:\Users\Admin\AppData\Local\Temp\hdczdi.v
          • Size 274KB
          • SHA256 476b8ec11d719c23e583f2c58d7f726ad1c556ef722970c2735ce0c4576e9ae8
          • MD5 SHA1 SHA512 SSDEEP

          kbtqgbfjer.am

          • Path C:\Users\Admin\AppData\Local\Temp\kbtqgbfjer.am
          • Size 7KB
          • SHA256 6b9246fb40c66f4287c4487752e2fc66bd87f8a46be2cfe0decae6eb63d5ab47
          • MD5 SHA1 SHA512 SSDEEP

          memory/4976-139-0x0000000000400000-0x0000000000449000-memory.dmp

          memory/4976-140-0x0000000004900000-0x0000000004EA4000-memory.dmp

          memory/4976-141-0x0000000004EB0000-0x0000000004F4C000-memory.dmp