Overview

overview

10

Static

static

3

tmp.exe

windows7-x64

10

tmp.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    127s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-04-2024 17:32

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General

  • Target

    tmp.exe

  • Size

    940KB

  • MD5

    6e45b98d4ffb2d2b229f395272e35f99

  • SHA1

    d8492fa2ca7ad3f1bd081ff43aa326fc65fc4311

  • SHA256

    758600c927adb10386bfad3863e5fd950edf6340214628e5ea9260ddb994ac86

  • SHA512

    ab71b249dbc676e72a9e27074c6b043af30bf4ceb2d157062879982273336dc1cbf6604e730bc343f9c71353cf171998f6d116f78ed4fa08bcc3d01dd17838ce

  • SSDEEP

    24576:sBe5pdi9+vEJzbFHahHGP9S648nOUdP0P:3ezZahHL1PUy

Score
10/10
targetcompanyzgratevasionpersistenceransomwarerat

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: 47BEED8F3F5946AB99CE7D63 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

  • Detect ZGRat V1 34 IoCs
  • 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
  • ZGRat

    ZGRat is remote access trojan written in C#.

    ratzgrat
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 18 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5108
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • 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:4420
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2524
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {current} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:1724
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3272
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {current} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:1192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Documents and Settings\Admin\Local Settings\Microsoft\CLR_v4.0\UsageLogs\tmp.exe.log
    Filesize

    1KB

    MD5

    17d337be835d2f6717acd1f9f4fcd6a6

    SHA1

    340bf47c5cd9aef6888cba1432c6636e76b89095

    SHA256

    c4c2e5e1824ff4d24dba80e0b77af1321883fc9d4679013b41216b56ee333bdd

    SHA512

    5c9e6871c7d279a573bf7947c43bcf67a1a8f2c11dcf3a3b1dbfd7fb3472ac5da154f9d1b1cae6d21018dfda1d53d617e396348436794979d5d3640a279520ba

    Download Submit

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

    1KB

    MD5

    a7eb9b7f19ae1e0e99645bc2f1583c30

    SHA1

    e37b2c6b7c46f12e5a4c6c0a8a0c9b3e8eb08a4b

    SHA256

    547128d1a2d04981a2418a89ba996372c0537a499c90fd9db2cbc17a16fe46bc

    SHA512

    6bc66747516cd0580ef19b0a1c8a568b143a7db115fd81897c6c9b6dc53c549fd28fdf429b5610bd35af5f4d7ff9fc23496c634a32380b2410abee362e5c91b3

    Download Submit

  • memory/4420-4897-0x0000000140000000-0x0000000140083000-memory.dmp

    Filesize

    524KB

    Download

  • memory/4420-11467-0x0000000140000000-0x0000000140083000-memory.dmp

    Filesize

    524KB

    Download

  • memory/5108-43-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-9-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-7-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-45-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-11-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-13-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-15-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-17-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-19-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-21-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-0-0x000001B4EC1B0000-0x000001B4EC2A0000-memory.dmp

    Filesize

    960KB

    Download

  • memory/5108-25-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-47-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-29-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-31-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-33-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-35-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-37-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-39-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-41-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-23-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-5-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-27-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-49-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-51-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-53-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-55-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-57-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-59-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-61-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-63-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-65-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-67-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-1785-0x00007FFFF0130000-0x00007FFFF0BF1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/5108-2259-0x000001B4EE870000-0x000001B4EE880000-memory.dmp

    Filesize

    64KB

    Download

  • memory/5108-4886-0x000001B4EC690000-0x000001B4EC691000-memory.dmp

    Filesize

    4KB

    Download

  • memory/5108-4887-0x000001B4EE7D0000-0x000001B4EE862000-memory.dmp

    Filesize

    584KB

    Download

  • memory/5108-4888-0x000001B4EEC10000-0x000001B4EEC5C000-memory.dmp

    Filesize

    304KB

    Download

  • memory/5108-4889-0x000001B4EEC60000-0x000001B4EECB4000-memory.dmp

    Filesize

    336KB

    Download

  • memory/5108-4896-0x00007FFFF0130000-0x00007FFFF0BF1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/5108-4-0x000001B4EE9C0000-0x000001B4EEC10000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-3-0x000001B4EE9C0000-0x000001B4EEC16000-memory.dmp

    Filesize

    2.3MB

    Download

  • memory/5108-2-0x000001B4EE870000-0x000001B4EE880000-memory.dmp

    Filesize

    64KB

    Download

  • memory/5108-1-0x00007FFFF0130000-0x00007FFFF0BF1000-memory.dmp

    Filesize

    10.8MB

    Download