Overview

overview

10

Static

static

3

738ce784cf...88.exe

windows7-x64

10

738ce784cf...88.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    133s
  • 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 10:55

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    738ce784cf11c22a28156408f28b7106896557ef1b410f4b91f68e5b7711dd88.exe

  • Size

    345KB

  • MD5

    12c722640a6c3e7a194a5d63c6694b89

  • SHA1

    ed5e37fd482cf3b571332b7162399879ccbd682b

  • SHA256

    738ce784cf11c22a28156408f28b7106896557ef1b410f4b91f68e5b7711dd88

  • SHA512

    da0ca434e1293e94e71783b8943a35da13b82680bb1ca091eb814246ebc6ab22eb11dc35b1a86628e54fbea38a88f4bf0e14b9af58ae929cb9fef730e8e1477c

  • SSDEEP

    6144:2Aps4bbIyJUXQQGrel8R8FN85Zohnhzf0Jn2KxXh:2aJtvcNGZoTIJnFh

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: 078351B5C6D5F28FE23F7D48 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 (3302) 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\738ce784cf11c22a28156408f28b7106896557ef1b410f4b91f68e5b7711dd88.exe
    "C:\Users\Admin\AppData\Local\Temp\738ce784cf11c22a28156408f28b7106896557ef1b410f4b91f68e5b7711dd88.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:2344
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2044
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1780
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    1KB

    MD5

    5b619d86e80eca8b985573362d58bcb0

    SHA1

    6b1cf22e61894f98d60ef6906a0c95ef9ca3291f

    SHA256

    03242d605de8f874e0b8e3eb22384f593e452ae019e28fe4475768effd5b2d46

    SHA512

    453dd83530edc8e302367a64e1bb4a5c4be3de175407adf8ee7764a3e3156275bb6621902da2c34d955e18629110daefd323d0ad1bb7fe29ef31a91210c9d1d2

    Download Submit

  • C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\microsoft.system.package.metadata\resources.5295ec3d.pri
    Filesize

    17KB

    MD5

    fdcaf1d4c78e99e547f2ca2d31aa36be

    SHA1

    e69b656d78d8b6eb4e087e6eaec8c2cb00130c96

    SHA256

    886fcb2b14d9979a8ad3d43118b9033e3fa694accc4459471bd586fc5994b2e7

    SHA512

    b10a56fe8dc206deb24406ba715c0e0b959ed5e61be87292dded79ee74d0c932db04fcda6f34f7cadde1e38eb244c38a2020c3dca3f9ffef36470520fd165be3

    Download Submit

  • C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\resources.35ca3df1.pri
    Filesize

    80KB

    MD5

    02c88e25e02e953aab665a22654a356d

    SHA1

    f46a612536ad0d142d30d4be6c4576e10b355ffd

    SHA256

    7a278581b0acc705ce1eea59d179c9bbf2b36dcae895894a8f8a472cf8ffc329

    SHA512

    66ab8614dd56c2261ff8682d244df259dbd65ea966e14cea8bbe7b79d306dfbbdb284345a81a92f18bb3c7ee490efd55ad569606195421d084a48b346b95963d

    Download Submit

  • C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\S-1-5-21-399997616-3400990511-967324271-1000-MergedResources-0.pri
    Filesize

    100KB

    MD5

    eeaf313ed824631ce370e9013d860349

    SHA1

    310728bd02a5e9941f209408b92ddb90a6447c13

    SHA256

    a33d0897b764cd289a5f0935784c596e698d041a39e7a52cc2447ddbac2b795c

    SHA512

    f0246d89e5e0068b597bdbfa3648ee37b63c656a2695c36d79451842dedc41f11c9c7c5e4b764926d9c8c98326cefab52b879117907ec4dabf5343ca233e576c

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\UUFWLFGT\H7I3L3AP.txt
    Filesize

    12B

    MD5

    8cf4dec152a9d79a3d62202b886eda9b

    SHA1

    0c1b3d3d02c0b655aa3526a58486b84872f18cc2

    SHA256

    c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01

    SHA512

    a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

    Download Submit