Overview

overview

10

Static

static

10

202407026a...ry.exe

windows7-x64

10

202407026a...ry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    92s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 09:13

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General

  • Target

    202407026ac60b3f3fc089844b316b8edcb6cbdbchaosdestroyerwannacry.exe

  • Size

    22KB

  • MD5

    6ac60b3f3fc089844b316b8edcb6cbdb

  • SHA1

    b4fc7bfd470f3dc67a3b3a9ddcf2dbd26dcaf2b3

  • SHA256

    657c0d869ee0e44742e138b18533577b7c9bca8d40ffe5b658d80459e4f8f4d9

  • SHA512

    af218350125ea6ab9da68bb2edc7dfbdb023f0fc7ff2c446059d739fccc3891ad1974882275cedd2bf42fbbf2fd9ea50fa2d149a4c5cfbd9a23fa37e29071ecf

  • SSDEEP

    384:3c3MLWHn3kI3mgzPvBNChppp3+vJAr91Cr8b5OeG:kn3kIF4pppGAr9S8bQeG

Score
10/10
chaosransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\read_it.txt

Ransom Note
----> You got ransom by FemboyCat <---- All of your files have been encrypted Your computer was infected with a ransomware virus. Your files have been encrypted and you won't be able to decrypt them without our help.What can I do to get my files back?You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is $1,500. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.1473766 BTC Bitcoin Address: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

    ransomwarechaos
  • Chaos Ransomware 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops desktop.ini file(s) 34 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 47 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\202407026ac60b3f3fc089844b316b8edcb6cbdbchaosdestroyerwannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\202407026ac60b3f3fc089844b316b8edcb6cbdbchaosdestroyerwannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:3600

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\svchost.exe
    Filesize

    22KB

    MD5

    6ac60b3f3fc089844b316b8edcb6cbdb

    SHA1

    b4fc7bfd470f3dc67a3b3a9ddcf2dbd26dcaf2b3

    SHA256

    657c0d869ee0e44742e138b18533577b7c9bca8d40ffe5b658d80459e4f8f4d9

    SHA512

    af218350125ea6ab9da68bb2edc7dfbdb023f0fc7ff2c446059d739fccc3891ad1974882275cedd2bf42fbbf2fd9ea50fa2d149a4c5cfbd9a23fa37e29071ecf

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  • C:\Users\Admin\Desktop\read_it.txt
    Filesize

    920B

    MD5

    96e58c047ee337ee491fbc24f95405a0

    SHA1

    00caeea02ff70f1e523a9d618ee22cac3b9cc30b

    SHA256

    e631d7ac377fb25957aef0cf348a9531682e88fb2c438b9e7ae828182d370419

    SHA512

    4d902a9c9a7b1b19d5e0d064da928d38c22d221405da9beb370fdef9cba252f8410a96a6d7c4e622cdccb4da1b06a92db8f09d300e7e7dc198068d9e72acb381

    Download Submit
  • memory/1128-14-0x00007FFBF0D80000-0x00007FFBF1841000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/1128-70-0x00007FFBF0D80000-0x00007FFBF1841000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/1988-0-0x00000000009F0000-0x00000000009FC000-memory.dmp
    Filesize

    48KB

    Download
  • memory/1988-1-0x00007FFBF0D83000-0x00007FFBF0D85000-memory.dmp
    Filesize

    8KB

    Download