Overview

overview

10

Static

static

3

35c9b6da79...5b.exe

windows7-x64

10

35c9b6da79...5b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-03-2024 01:36

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General

  • Target

    35c9b6da794925ee797ce0f6aff3b65b.exe

  • Size

    192KB

  • MD5

    35c9b6da794925ee797ce0f6aff3b65b

  • SHA1

    8b2b5d61fc207ffc1483af64da93b61ea6f822f3

  • SHA256

    032fa2a25fe3191577ef3e046b524d1af6d7a94619603309a36d8746f02a8238

  • SHA512

    bcc4576d8f61a02711823e0cc66d9e008006335a28ead8b39cbe5459cf37c88b14c5aa086467c7a3cbb0c8f9f34197fcc30996dda3fc4a030949bc72599c1ecf

  • SSDEEP

    3072:T1ltd5LZseWDzoPZ6WS6BLfvgaSlpcD+05f:NSzkPDNGEf

Score
10/10
fatalratinfostealerrat

Malware Config

Signatures

  • FatalRat

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

    infostealerratfatalrat
  • Fatal Rat payload 1 IoCs
    ratinfostealer
  • Checks computer location settings 2 TTPs 1 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).

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\35c9b6da794925ee797ce0f6aff3b65b.exe
    "C:\Users\Admin\AppData\Local\Temp\35c9b6da794925ee797ce0f6aff3b65b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Users\Admin\AppData\Local\35c9b6da794925ee797ce0f6aff3b65b.exe
      "C:\Users\Admin\AppData\Local\35c9b6da794925ee797ce0f6aff3b65b.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3160
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3756 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3460

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\35c9b6da794925ee797ce0f6aff3b65b.exe
      Filesize

      192KB

      MD5

      35c9b6da794925ee797ce0f6aff3b65b

      SHA1

      8b2b5d61fc207ffc1483af64da93b61ea6f822f3

      SHA256

      032fa2a25fe3191577ef3e046b524d1af6d7a94619603309a36d8746f02a8238

      SHA512

      bcc4576d8f61a02711823e0cc66d9e008006335a28ead8b39cbe5459cf37c88b14c5aa086467c7a3cbb0c8f9f34197fcc30996dda3fc4a030949bc72599c1ecf

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    • memory/884-0-0x0000000010000000-0x000000001002A000-memory.dmp

      Filesize

      168KB

      Download