Overview

overview

10

Static

static

3

683a09da21...96.exe

windows7-x64

10

unpacked.exe

windows7-x64

Analysis

  • max time kernel
    76s
  • max time network
    76s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    03/08/2024, 03:42

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Errors

Reason
Machine shutdown

General

  • Target
    unpacked.exe
  • Size 72KB
  • Sample240803-d9gp7asbrl
  • SHA256 b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
satanabootkitdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\Users\Admin\AppData\Local\Temp\!satana!.txt

Ransom Note
  • You had bad luck.There was crypting of all your files in a FS bootkit virus <!SATANA!> To decrypt you need send on this E-mail: [email protected] your private code: A3D90235E1136671AB1195C6078184FF and pay on a Bitcoin Wallet: XbvKCGr8VowpBLwE8VxHNL2oL24ukKcNFw total 0,5 btc After that during 1 - 2 days the software will be sent to you - decryptor - and the necessary instructions. All changes in hardware configurations of your computer can make the decryption of your files absolutely impossible! Decryption of your files is possible only on your PC! Recovery is possible during 7 days, after which the program - decryptor - can not ask for the necessary signature from a public certificate server. Please contact via e-mail, which you can find as yet in the form of a text document in a folder with encrypted files, as well as in the name of all encrypted files.If you do not appreciate your files we recommend you format all your disks and reinstall the system. Read carefully this warning as it is no longer able to see at startup of the computer. We remind once again- it is all serious! Do not touch the configuration of your computer! E-mail: [email protected] - this is our mail CODE: A3D90235E1136671AB1195C6078184FF this is code; you must send BTC: XbvKCGr8VowpBLwE8VxHNL2oL24ukKcNFw here need to pay 0,5 bitcoins How to pay on the Bitcoin wallet you can easily find on the Internet. Enter your unlock code, obtained by E-mail here and press "ENTER" to continue the normal download on your computer. Good luck! May God help you! <!SATANA!>

Signatures

  • Satana

    Ransomware family which also encrypts the system's Master Boot Record (MBR).

    ransomwaresatana
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\unpacked.exe
    "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Users\Admin\AppData\Local\Temp\uzl.exe
      "C:\Users\Admin\AppData\Local\Temp\uzl.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\SysWOW64\VSSADMIN.EXE
        "C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:1652
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\!satana!.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:12100
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:12064
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:12160
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:12244
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1060
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:12212
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:2512

      Network

            MITRE ATT&CK Enterprise v15

            Reconnaissance

            Resource Development

            Initial Access

            Execution

            Windows Management Instrumentation

            1
            T1047

            Persistence

            Boot or Logon Autostart Execution

            1
            T1547

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Pre-OS Boot

            1
            T1542

            Bootkit

            1
            T1542.003

            Privilege Escalation

            Boot or Logon Autostart Execution

            1
            T1547

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Defense Evasion

            Direct Volume Access

            1
            T1006

            Indicator Removal

            2
            T1070

            File Deletion

            2
            T1070.004

            Modify Registry

            1
            T1112

            Pre-OS Boot

            1
            T1542

            Bootkit

            1
            T1542.003

            Credential Access

            Unsecured Credentials

            1
            T1552

            Credentials In Files

            1
            T1552.001

            Discovery

            System Information Discovery

            1
            T1082

            System Location Discovery

            1
            T1614

            System Language Discovery

            1
            T1614.001

            Lateral Movement

            Collection

            Data from Local System

            1
            T1005

            Command and Control

            Exfiltration

            Impact

            Inhibit System Recovery

            2
            T1490

            Replay Monitor

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            Downloads

            !satana!.txt
            • Path C:\Users\Admin\AppData\Local\Temp\!satana!.txt
            • Size 1KB
            • SHA256 2589edce2a56c21be1fbc97cc19dff9805051b6095d6afe2d25c51d5a5b50c24
            • MD5 SHA1 SHA512
            Submit Download

            uzl.exe
            • Path \Users\Admin\AppData\Local\Temp\uzl.exe
            • Size 72KB
            • SHA256 b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            memory/12064-2448-0x0000000000090000-0x0000000000091000-memory.dmp
            Download

            memory/12064-2446-0x0000000000090000-0x0000000000091000-memory.dmp
            Download