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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19/08/2024, 01:48

General

  • Target

    20d15ddc7fc533320470adb46b29a0c0N.exe

  • Size

    55KB

  • MD5

    20d15ddc7fc533320470adb46b29a0c0

  • SHA1

    691982118324ce183649863e3031f5fcc998c703

  • SHA256

    f22fdab0a86dda1291d49f719577c25c29d0645bc70f69ab7e7af2d1a847fd8e

  • SHA512

    78b197060724bb962473bd4ba00db6253dd86501bbd16bdd0f41c4eab59792fc07393fbf15ae14addbf21b272e3d38bc33cc766f9aa3441ec6ad8905a3bba60b

  • SSDEEP

    1536:hvQoLHjw2iWPKMvw71/RLyX3NvvvZeee5w:hv5Ls27BIJ/RLyX3HeeeS

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20d15ddc7fc533320470adb46b29a0c0N.exe
    "C:\Users\Admin\AppData\Local\Temp\20d15ddc7fc533320470adb46b29a0c0N.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\20D15D~1.EXE > nul
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:1412
  • C:\Windows\Debug\ayahost.exe
    C:\Windows\Debug\ayahost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\ayahost.exe

    Filesize

    55KB

    MD5

    41b8b38ff8d1c486e8150f911b74a1ce

    SHA1

    2a887055618c96d9d6f15a2198f51a830f20f30e

    SHA256

    41f4c2d14bd0fe753fd26fc8d4b40601c87b7ac1cc8e5bc08aa3cf6c7b51f010

    SHA512

    48d98dad362b0400c1452af55d379e8157077e447fa8b109d44a3b91fd191b39404510e67aa698460ab34b1072e6eba875c0f54af0a0bef553284882e9e70920