Overview

overview

10

Static

static

3

374a979d2b...4a.exe

windows7-x64

10

374a979d2b...4a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2024 10:54

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General

  • Target

    374a979d2b8b45d23e3310676256624ab96bd604c2eb11f327c3e5044a95654a.exe

  • Size

    372KB

  • MD5

    05f62ecabc68ee01d8274a3c97f5b101

  • SHA1

    8128819b7fa55a7a331e933fce52051c66d5e72d

  • SHA256

    374a979d2b8b45d23e3310676256624ab96bd604c2eb11f327c3e5044a95654a

  • SHA512

    e53afc5c9f4cba52c521dbc6f24144bce4f182bdc40a39f94b0005d335cd5384472c48fb04b1e1f6e9dc0a94e58739d6ccda4eff9114f5020054a95c7b903df8

  • SSDEEP

    6144:MfkWFheyVxcO8fo66ZYB9LEpvkWohWS4rNaLGU:BAVgfl6iYpcWot5

Score
10/10
targetcompanyevasionransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\HOW TO BACK FILES.txt

Family

targetcompany

Ransom Note
Hello Your files are encrypted and can not be used We have downloaded your confidential data and are ready to publish it on our blog To return your files in work condition you need decryption tool Follow the instructions to decrypt all your data Do not try to change or restore files yourself, this will break them If you want, on our site you can decrypt one file for free. Free test decryption allowed only for not valuable file with size less than 3MB How to get decryption tool: 1) Download and install TOR browser by this link: https://www.torproject.org/download/ 2) If TOR blocked in your country and you can't access to the link then use any VPN software 3) Run TOR browser and open the site: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin 4) Copy your private ID in the input field. Your Private key: 83742EBCCF099B0FA95621CF 5) You will see payment information and we can make free test decryption here 6)After payment, you will receive a tool for decrypting files, and we will delete the data that was taken from you Our blog of leaked companies: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion If you are unable to contact us through the site, then you can email us: [email protected] Waiting for a response via mail can be several days. Do not use it if you have not tried contacting through the site.�
URLs

http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin

http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion

Signatures

  • TargetCompany,Mallox

    TargetCompany (aka Mallox) is a ransomware which encrypts files using a combination of ChaCha20, AES-128, and Curve25519, first seen in June 2021.

    ransomwaretargetcompany
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Renames multiple (3311) 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 24 IoCs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\374a979d2b8b45d23e3310676256624ab96bd604c2eb11f327c3e5044a95654a.exe
    "C:\Users\Admin\AppData\Local\Temp\374a979d2b8b45d23e3310676256624ab96bd604c2eb11f327c3e5044a95654a.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4776
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3588
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2828
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3780
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\HOW TO BACK FILES.txt
    Filesize

    1KB

    MD5

    90c92867f736b346fe617d76e85d9a11

    SHA1

    89b77e799875dc19d399544d5f477038101a1cbd

    SHA256

    262ad8e023c7bcb6ecef72792980391b74d0e50f6e994c528274c79e40fb29ff

    SHA512

    b37ea553f721711d31aa76ec6e6be63f07ce1f34420542fc3797ce11822c98d2e45359297bc6341bbec19390ef7b89b02f2a4d20484ff44a779421df98ce6088

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  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\UUFWLFGT\LKPZBU93.txt
    Filesize

    12B

    MD5

    8cf4dec152a9d79a3d62202b886eda9b

    SHA1

    0c1b3d3d02c0b655aa3526a58486b84872f18cc2

    SHA256

    c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01

    SHA512

    a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

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  • C:\Users\Admin\AppData\Local\Temp\debugLog.txt
    Filesize

    4KB

    MD5

    436b4ebeda2458ce76a3c8bb237082e8

    SHA1

    f9b9a54a0535e46c07acfe55c2eacc99330a64ea

    SHA256

    a847b3029ee1ee6e0634a861cf27cd58400046c5905a8585731cd259c44df1a8

    SHA512

    c247b6ea5845dd9e64d98b062bdc6dc8b992760bbe4cff73dc9b4d26d9564c9a7d568eedf8976a416495a04d55d95d024fa86c9da5185ae18177e56576ab366e

    Download Submit