Overview

overview

10

Static

static

3

45a236e7aa...8d.exe

windows7-x64

10

45a236e7aa...8d.exe

windows10-2004-x64

10

45a236e7aa...8d.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    115s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 20:21

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General

  • Target

    45a236e7aa80515aafb6c656c758faad6e77fb435b35bfa407aef3918212078d.exe

  • Size

    478KB

  • MD5

    71efe7a21da183c407682261612afc0f

  • SHA1

    0f1aea2cf0c9f2de55d2b920618a5948c5e5e119

  • SHA256

    45a236e7aa80515aafb6c656c758faad6e77fb435b35bfa407aef3918212078d

  • SHA512

    3cff597dbd7f0d5ab45b04e3c3731e38626b7b082a0ede7ab9a7826921848edb3c033f640da2cb13916febf84164f7415ca9ac50c3d927f04d9b61fcadb7801c

  • SSDEEP

    6144:W0wmbI4/Z4SHvrxw6zaIST1w9wEPDasWxxsBhS37b8o6XCFyPwCMa6qnXxq/y:7zv66zaISTW9asWxxAh4IlXC4PUqBq/

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: 4162D03CAFE36F918F176BDC 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 (6958) 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 2 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\45a236e7aa80515aafb6c656c758faad6e77fb435b35bfa407aef3918212078d.exe
    "C:\Users\Admin\AppData\Local\Temp\45a236e7aa80515aafb6c656c758faad6e77fb435b35bfa407aef3918212078d.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:3912
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4384
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2080
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4404
  • 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 --field-trial-handle=4360,i,16866810346450717340,3849854439116899380,262144 --variations-seed-version --mojo-platform-channel-handle=4080 /prefetch:8
    1⤵
      PID:2356
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\HOW TO BACK FILES.txt
      1⤵
        PID:7348

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\resources.5eee580c.pri
        Filesize

        2KB

        MD5

        45fe87702881f0fb4884befaa1e027f7

        SHA1

        3a0d346496c6b7834602506bad0054164e86abbb

        SHA256

        3f03509c1872da64207a067a37bafcd006adc5b1099c0dc57c027bd7d5f8f6fe

        SHA512

        433b4f0fb5d34efe31e603c0b68391f074254f10ce1f220c543343116ca1ff6466767be388b969ca20addc16b418d7d8e5c9cf73a980f6ba95a75ae0e2a1e58e

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      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\QZRYTBAT\K5GPT8MD.txt
        Filesize

        14B

        MD5

        1207bc197a1ebd72a77f1a771cad9e52

        SHA1

        8ed121ff66d407150d7390b9276fe690dd213b27

        SHA256

        260658b9cb063d6ce96f681b18704e02fae7bf8fc995fc249ab0be1400983476

        SHA512

        d037cfa3b6e6ced9652b2c781bb54cf48dbaa0aaff05039ae4fd0122749eda472807d4198981aa6ceffeba6d2b23d7ad08d7d96983dbd8539cf6b07e46e157f4

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

        910B

        MD5

        22649122a319b4157af9e8347a815a71

        SHA1

        50c9dd55dad5230fb40e19bc5b4b3bae4384984b

        SHA256

        9a78b66a7ec90d7215450a1ca3fa6f6bd5807d76ab77027d64aa8dba6abf4f67

        SHA512

        74aa54ccb5578990bc493b40482afad6b5267029e475d953ba057db3473e01c80cea686d2340d22f5db9c2695f504a5c5b619f8c208003d31b19b8eb30b60909

        Download Submit