Overview

overview

10

Static

static

7

b185b64ead...ad.exe

windows7-x64

10

b185b64ead...ad.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    06-09-2023 23:50

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe

  • Size

    376KB

  • MD5

    d4fa2ab258835cca6e64cbb5fa814604

  • SHA1

    4ae50d9f13aed652f977e73ca674c483e06c4266

  • SHA256

    b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad

  • SHA512

    d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd

  • SSDEEP

    6144:EORLKn/ocYlNMeBasmrfc2RrYZWC9sxNwhstAOWf4rE0G/saJ:E6+ANlNMeMx0MrG9EGwAOWf4rt8X

Score
10/10
fatalratinfostealerpersistenceratupx

Malware Config

Signatures

  • FatalRat

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

    infostealerratfatalrat
  • Fatal Rat payload 4 IoCs
    ratinfostealer
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
    "C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2956
    • C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
      "C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
    Filesize

    376KB

    MD5

    d4fa2ab258835cca6e64cbb5fa814604

    SHA1

    4ae50d9f13aed652f977e73ca674c483e06c4266

    SHA256

    b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad

    SHA512

    d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd

    Download Submit

  • C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
    Filesize

    376KB

    MD5

    d4fa2ab258835cca6e64cbb5fa814604

    SHA1

    4ae50d9f13aed652f977e73ca674c483e06c4266

    SHA256

    b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad

    SHA512

    d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd

    Download Submit

  • C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
    Filesize

    376KB

    MD5

    d4fa2ab258835cca6e64cbb5fa814604

    SHA1

    4ae50d9f13aed652f977e73ca674c483e06c4266

    SHA256

    b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad

    SHA512

    d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd

    Download Submit

  • \Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
    Filesize

    376KB

    MD5

    d4fa2ab258835cca6e64cbb5fa814604

    SHA1

    4ae50d9f13aed652f977e73ca674c483e06c4266

    SHA256

    b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad

    SHA512

    d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd

    Download Submit

  • \Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
    Filesize

    376KB

    MD5

    d4fa2ab258835cca6e64cbb5fa814604

    SHA1

    4ae50d9f13aed652f977e73ca674c483e06c4266

    SHA256

    b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad

    SHA512

    d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd

    Download Submit

  • memory/1608-18-0x0000000000400000-0x0000000000517000-memory.dmp

    Filesize

    1.1MB

    Download

  • memory/1608-19-0x0000000010000000-0x000000001002A000-memory.dmp

    Filesize

    168KB

    Download

  • memory/1608-25-0x0000000000400000-0x0000000000517000-memory.dmp

    Filesize

    1.1MB

    Download

  • memory/2956-0-0x0000000000400000-0x0000000000517000-memory.dmp

    Filesize

    1.1MB

    Download

  • memory/2956-1-0x0000000010000000-0x000000001002A000-memory.dmp

    Filesize

    168KB

    Download

  • memory/2956-15-0x0000000002C20000-0x0000000002D37000-memory.dmp

    Filesize

    1.1MB

    Download

  • memory/2956-17-0x0000000000400000-0x0000000000517000-memory.dmp

    Filesize

    1.1MB

    Download