Overview

overview

10

Static

static

3

2f5fac1aba...dc.exe

windows7-x64

10

2f5fac1aba...dc.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • 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 10:40

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General

  • Target

    2f5fac1ababd213d8010eda9ccb5320f25fd0f2e95bb86154bf7e8bcad6fc4dc.exe

  • Size

    478KB

  • MD5

    9f908f344ec041cc1ebe5324da2cf183

  • SHA1

    ec06c0d4c38acdd61e2bf940ae70b98a4661a08a

  • SHA256

    2f5fac1ababd213d8010eda9ccb5320f25fd0f2e95bb86154bf7e8bcad6fc4dc

  • SHA512

    494d4184e6e31af9b5dc04fcd807456899f789069b487e7a7e56b2d9dbba2f47427b1c477ceab454713a1b380d155fe1396ddc9d93e966755941668588d16c17

  • SSDEEP

    6144:20wmbI4/D4SHvrxw6zaIST1w9wEPDasWxxsBhS37b8o6XCFyPwCMa6ynkxq/y:Vzv66zaISTW9asWxxAh4IlXC4PUyMq/

Score
10/10
targetcompanyevasionransomware

Malware Config

Extracted

Path

\Device\HarddiskVolume1\HOW TO BACK FILES.txt

Ransom Note
Hello Your data has been stolen and encrypted We will delete the stolen data and help with the recovery of encrypted files after payment has been made Do not try to change or restore files yourself, this will break them We provide free decryption for any 3 files up to 3MB in size on our website How to contact with us: 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: A4E8456839F8D7CFB12A99AA 5) You will see chat, payment information and we can make free test decryption here Our blog of leaked companies: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion �
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 (6530) 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\2f5fac1ababd213d8010eda9ccb5320f25fd0f2e95bb86154bf7e8bcad6fc4dc.exe
    "C:\Users\Admin\AppData\Local\Temp\2f5fac1ababd213d8010eda9ccb5320f25fd0f2e95bb86154bf7e8bcad6fc4dc.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:2224
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3704
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3932
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\resources.b783ffe3.pri
    Filesize

    2KB

    MD5

    ef7e03ef3a99c35cce2be834c60ac65a

    SHA1

    db465748d93e47f7953df29f8dd0ec5d765cf363

    SHA256

    90de708134021605a84d1f541b091c475df56804149f5676f5327609967d6860

    SHA512

    246fa71f20edf2b8af4c003ba92405371e4c5c2f07082a325a0f705d85ac6ee27108a9cc4cd8624017f1f9be437ff8a6dc9c0e8888b05d68ce4064ab92b90326

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1YRVVION\00I0GQJO.txt
    Filesize

    12B

    MD5

    8cf4dec152a9d79a3d62202b886eda9b

    SHA1

    0c1b3d3d02c0b655aa3526a58486b84872f18cc2

    SHA256

    c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01

    SHA512

    a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

    Download Submit

  • \Device\HarddiskVolume1\HOW TO BACK FILES.txt
    Filesize

    910B

    MD5

    2337a7e24e872b05acfac2dfc7573937

    SHA1

    767c247cc58e1dc1e4c47f4074e917cf22c44623

    SHA256

    a0116cc816a5fb4b764280da7cdb93e10e5bfc043e1dcbf78a7a3c7f67e53605

    SHA512

    85a2cbc2f351fe7dae8af87ff6307bb466c255aa7122e8b8bd44192b5ae15e1e0a37de13621a871b21ca2f96c97d02ac614e8a6b2ad8dd5fa301c6ff2eaed88d

    Download Submit