Analysis

  • max time kernel
    141s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/07/2023, 13:59

General

  • Target

    c3388b4b593940exeexeexeex.exe

  • Size

    61KB

  • MD5

    c3388b4b59394068ff850d4a265490e0

  • SHA1

    66bb81d725a0bb83a1c7a6f306655ab0b9c9c26f

  • SHA256

    47d9c4ca6c7d3a7412f22e0806b373e4982fbc33fecd95e1630c9beff6c8915b

  • SHA512

    73a24d238063e5aa5bb8782e68a8dfd3a8448647ab721e4fb2c98d445109278aebdc6e95206dc58ea550cba7306c268b90a6041dfe1d0f499dd223c8ec98da6c

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HyCyh7vtRJ4BqKb1cKtqPd:vCjsIOtEvwDpj5Hv0D

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3388b4b593940exeexeexeex.exe
    "C:\Users\Admin\AppData\Local\Temp\c3388b4b593940exeexeexeex.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:3852

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\misid.exe

          Filesize

          61KB

          MD5

          43e3929176b4baaabcfc20993689dfa6

          SHA1

          017cb4e7a5ca0f637927f472624043649513f643

          SHA256

          8e51835a14d32e33988e5afeb2b4fcc08705882580c847f19d8c7d65c2b80c94

          SHA512

          c299668602930edb2d737514330156e50d74223b2b18dbead5280b60e8de778d254431c6b670d925c60e55efa27d99878c13c9ba239664793378b99fce031b4e

        • C:\Users\Admin\AppData\Local\Temp\misid.exe

          Filesize

          61KB

          MD5

          43e3929176b4baaabcfc20993689dfa6

          SHA1

          017cb4e7a5ca0f637927f472624043649513f643

          SHA256

          8e51835a14d32e33988e5afeb2b4fcc08705882580c847f19d8c7d65c2b80c94

          SHA512

          c299668602930edb2d737514330156e50d74223b2b18dbead5280b60e8de778d254431c6b670d925c60e55efa27d99878c13c9ba239664793378b99fce031b4e

        • C:\Users\Admin\AppData\Local\Temp\misid.exe

          Filesize

          61KB

          MD5

          43e3929176b4baaabcfc20993689dfa6

          SHA1

          017cb4e7a5ca0f637927f472624043649513f643

          SHA256

          8e51835a14d32e33988e5afeb2b4fcc08705882580c847f19d8c7d65c2b80c94

          SHA512

          c299668602930edb2d737514330156e50d74223b2b18dbead5280b60e8de778d254431c6b670d925c60e55efa27d99878c13c9ba239664793378b99fce031b4e

        • C:\Users\Admin\AppData\Local\Temp\misids.exe

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/2220-133-0x0000000002210000-0x0000000002216000-memory.dmp

          Filesize

          24KB

        • memory/2220-134-0x0000000002230000-0x0000000002236000-memory.dmp

          Filesize

          24KB

        • memory/3852-149-0x00000000006C0000-0x00000000006C6000-memory.dmp

          Filesize

          24KB