Overview

overview

10

Static

static

1

1144d0448f...27.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    103s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/04/2025, 08:21

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General

  • Target

    1144d0448fefe26f5b9db7e7a7522c9a46eded3a603daa903052373cecc92b27.exe

  • Size

    188KB

  • MD5

    db804c3f55c5d09dace40c76c99cab52

  • SHA1

    e170f46854f3ccda006528b14ff09ecf5756cf5e

  • SHA256

    1144d0448fefe26f5b9db7e7a7522c9a46eded3a603daa903052373cecc92b27

  • SHA512

    dc3775844855ce5a8436cdcde4a2f03bd0dac73ed5ac89ab94e2bdc5f1891ea347a6a89db7224e6522ac58ba61e0e9efba1695e23828eeb65853a336553e1a47

  • SSDEEP

    3072:Z0bRbeSCuF7PXuwFyoJ+mKTrZYzXlEmS6ZCHOoSnEYXosMM:Z2FeSCulPXuwIoWT9YlhD4dM

Score
10/10
hellokittydiscoveryransomware

Malware Config

Signatures

  • HelloKitty Ransomware

    Ransomware family which has been active since late 2020, and in early 2021 a variant compromised the CDProjektRed game studio.

    ransomwarehellokitty
  • Hellokitty family
    hellokitty
  • Renames multiple (180) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\1144d0448fefe26f5b9db7e7a7522c9a46eded3a603daa903052373cecc92b27.exe
    "C:\Users\Admin\AppData\Local\Temp\1144d0448fefe26f5b9db7e7a7522c9a46eded3a603daa903052373cecc92b27.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4164
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 127.0.0.1 & del 1144d0448fefe26f5b9db7e7a7522c9a46eded3a603daa903052373cecc92b27.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2936
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4752
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:216

Network

MITRE ATT&CK Enterprise v16

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Downloads

  • C:\Recovery\read_me_lkdtt.txt
    Filesize

    1KB

    MD5

    10c06898c1a8ee37c2eb262d5c477335

    SHA1

    363bbdda4afd09205a6434fd690a38b5758ff062

    SHA256

    97109718795f688bdeaec143eff588df1f053c5f1be69fdfd953c8751132fd3f

    SHA512

    0efbc79d3b684af74b85744cd390ac1bac2cca018f859447f686c83106590150d11e55f0e1bfba6b7e86b683659c3a0f4da49331dca8a0bf022fd7ed5e942b74

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