Analysis

  • max time kernel
    90s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 06:57

General

  • Target

    2a15bc6ad8372e972814b224a5801d675f11922109f6bd6e63a83c096938f941.exe

  • Size

    793KB

  • MD5

    9da34bf3d7e4c28ea02f1e5c5291c737

  • SHA1

    9d51562c9622c18fa36297c5e91c1fae8004427d

  • SHA256

    2a15bc6ad8372e972814b224a5801d675f11922109f6bd6e63a83c096938f941

  • SHA512

    b6d0d4b4a4db677bf3632ffaab855f78f52a74fd0e424509d9fe5e574f26bb65d9ef29f13e549b66c2d492f5e3c937084517c5c0ff1096cdeba9e4d81bf23406

  • SSDEEP

    24576:L6ftojDBeSYnI+lZt6IZx89W0CxV9asvCpm2:LLp9oI+hf8Alm

Malware Config

Extracted

Family

metasploit

Version

windows/shell_reverse_tcp

C2

1.15.12.73:4567

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a15bc6ad8372e972814b224a5801d675f11922109f6bd6e63a83c096938f941.exe
    "C:\Users\Admin\AppData\Local\Temp\2a15bc6ad8372e972814b224a5801d675f11922109f6bd6e63a83c096938f941.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\2a15bc6ad8372e972814b224a5801d675f11922109f6bd6e63a83c096938f941.exe
      "C:\Users\Admin\AppData\Local\Temp\2a15bc6ad8372e972814b224a5801d675f11922109f6bd6e63a83c096938f941.exe" Admin
      2⤵
      • Enumerates connected drives
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:3748
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5096

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1700-15-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB

    • memory/1700-4-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB

    • memory/1700-3-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB

    • memory/1700-1-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB

    • memory/1700-6-0x0000000000780000-0x0000000000781000-memory.dmp

      Filesize

      4KB

    • memory/1700-5-0x0000000000780000-0x0000000000781000-memory.dmp

      Filesize

      4KB

    • memory/1700-2-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB

    • memory/1700-7-0x0000000002430000-0x0000000002431000-memory.dmp

      Filesize

      4KB

    • memory/1700-0-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB

    • memory/3748-8-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB

    • memory/3748-10-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB

    • memory/3748-11-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB

    • memory/3748-13-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB

    • memory/3748-12-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB

    • memory/3748-17-0x00000000021A0000-0x00000000021A1000-memory.dmp

      Filesize

      4KB

    • memory/3748-18-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB

    • memory/3748-21-0x0000000000400000-0x00000000005EC000-memory.dmp

      Filesize

      1.9MB