Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2023 08:16

General

  • Target

    3.exe

  • Size

    140KB

  • MD5

    71d6ba66466828dfe5c7d8cadfd44c79

  • SHA1

    b79ba0d33150e22e8afa5a9360e9a0dbc2df7e2d

  • SHA256

    012d5c38bb315e316b4e53101f7bf44dc55b6b2301e626f13a8a5cad8fac0ba9

  • SHA512

    3c7a1eb705e2188f9b0e355ec853a98529083a67051a567aa22f94770ae15c9105746fb1059ad6b840fc14f5fc680034c47be004c5ba28b907fab137a9ebb699

  • SSDEEP

    1536:Vua+BTv3tIO8MtM+/6jRVGIk1MgHjsPGYYwOda2CqqZOIgQJb0lfjtO+vbWL8xJb:Vn+htWMtf+7GZYGVA2QJgi8xJLDoU

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Fatal Rat payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Modifies data under HKEY_USERS 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3.exe
    "C:\Users\Admin\AppData\Local\Temp\3.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3528
  • C:\Windows\3.exe
    C:\Windows\3.exe
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4352
    • C:\Windows\3.exe
      C:\Windows\3.exe Win7
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3632

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\3.exe

    Filesize

    140KB

    MD5

    71d6ba66466828dfe5c7d8cadfd44c79

    SHA1

    b79ba0d33150e22e8afa5a9360e9a0dbc2df7e2d

    SHA256

    012d5c38bb315e316b4e53101f7bf44dc55b6b2301e626f13a8a5cad8fac0ba9

    SHA512

    3c7a1eb705e2188f9b0e355ec853a98529083a67051a567aa22f94770ae15c9105746fb1059ad6b840fc14f5fc680034c47be004c5ba28b907fab137a9ebb699

  • C:\Windows\3.exe

    Filesize

    140KB

    MD5

    71d6ba66466828dfe5c7d8cadfd44c79

    SHA1

    b79ba0d33150e22e8afa5a9360e9a0dbc2df7e2d

    SHA256

    012d5c38bb315e316b4e53101f7bf44dc55b6b2301e626f13a8a5cad8fac0ba9

    SHA512

    3c7a1eb705e2188f9b0e355ec853a98529083a67051a567aa22f94770ae15c9105746fb1059ad6b840fc14f5fc680034c47be004c5ba28b907fab137a9ebb699

  • C:\Windows\3.exe

    Filesize

    140KB

    MD5

    71d6ba66466828dfe5c7d8cadfd44c79

    SHA1

    b79ba0d33150e22e8afa5a9360e9a0dbc2df7e2d

    SHA256

    012d5c38bb315e316b4e53101f7bf44dc55b6b2301e626f13a8a5cad8fac0ba9

    SHA512

    3c7a1eb705e2188f9b0e355ec853a98529083a67051a567aa22f94770ae15c9105746fb1059ad6b840fc14f5fc680034c47be004c5ba28b907fab137a9ebb699

  • memory/3528-0-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB

  • memory/4352-8-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB