Overview

overview

10

Static

static

3

d7fa39f2cc...9f.exe

windows7-x64

10

d7fa39f2cc...9f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 11:29

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General

  • Target

    d7fa39f2cccc49479ac18fb0d014be8e98c7b732572d3a1126ce234364fc7c9f.exe

  • Size

    6.5MB

  • MD5

    151ae5f5eb71b7ab25a9c13803a86eaa

  • SHA1

    ebb0d17e6ef2186e300a4fc19b473f8a7e34cd80

  • SHA256

    d7fa39f2cccc49479ac18fb0d014be8e98c7b732572d3a1126ce234364fc7c9f

  • SHA512

    ce73cc13059491f720535f9f65f476e0b1a9e9f67cb8666ba98f72eaea656fa52c25fa44e2c4f70aa495ad9de7650c3d40fa1f3c50ae842427f98f5c1f2298ff

  • SSDEEP

    49152:fgUTQPyrmS1unws84+MguWuMa7lPlKkqfukf5dOFvmGWbqmLA8vz3OrzoqvMy4iC:5vJaBq35dUWFL33OrzoqvM

Score
10/10
targetcompanydiscoveryevasionransomware

Malware Config

Extracted

Path

C:\Users\Admin\Contacts\HOW TO BACK FILES.txt

Family

targetcompany

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: F1ADC71757642BE973F372F1 5) You will see chat, payment information and we can make free test decryption here 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
  • Targetcompany family
    targetcompany
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Renames multiple (6525) 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • 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\d7fa39f2cccc49479ac18fb0d014be8e98c7b732572d3a1126ce234364fc7c9f.exe
    "C:\Users\Admin\AppData\Local\Temp\d7fa39f2cccc49479ac18fb0d014be8e98c7b732572d3a1126ce234364fc7c9f.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:3916
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3460
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4444
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1960
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\OYG8WODM.txt
    Filesize

    13B

    MD5

    17bcf11dc5f1fa6c48a1a856a72f1119

    SHA1

    873ec0cbd312762df3510b8cccf260dc0a23d709

    SHA256

    a7bf504871a46343c2feab9d923e01b9dca4e980b2e122ad55fd4dbb3f6c16d9

    SHA512

    9c12db4c6a105e767ff27048d2f8f19de5c9721ce6503dbb497aedcc1fc8b910a6fa43ec987fecd26794aff7440cb984744698fec5741dd73400a299dc3b2a25

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  • C:\Users\Admin\Contacts\HOW TO BACK FILES.txt
    Filesize

    1KB

    MD5

    0de539749e405581a27eb6416a79e337

    SHA1

    c9308bcbea3bfd16c05fe1acc5dc08c48aad7b83

    SHA256

    38ef34b3d550cdba8ebd3abfdd0bc450d5ceb3037fe2d0e637c361512aacdb8e

    SHA512

    de42a6ae338fec3a5f3b20b75e3934b2c1b785640e0b3940f476ee3374e359398261d1f381558dd7a694666012ff7b6bba8108e3565d3bd0fe5780a34486347b

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