Overview

overview

10

Static

static

3

683a09da21...96.exe

windows10-1703-x64

5

unpacked.exe

windows10-1703-x64

10

Analysis

  • max time kernel
    22s
  • max time network
    26s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17-08-2024 21:26

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General

  • Target

    unpacked.exe

  • Size

    72KB

  • MD5

    108756f41d114eb93e136ba2feb838d0

  • SHA1

    8c6b51923ee7da2f4642c7717db95fbb77d96164

  • SHA256

    b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

  • SHA512

    d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

  • SSDEEP

    768:F9NJK3qZRhxXHIQBsLL16BKc+bBQZ/UMc2:rXzXol6cc+lQZMMc2

Score
10/10
satanabootkitdefense_evasiondiscoveryexecutionimpactpersistenceransomware

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: 4FC9020C6DF368FD44274FDF115638E9 and pay on a Bitcoin Wallet: XsrR2he2Z8un5ysGWnJ1wveZRPRS96XEoX 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: 4FC9020C6DF368FD44274FDF115638E9 this is code; you must send BTC: XsrR2he2Z8un5ysGWnJ1wveZRPRS96XEoX 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
  • 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 3 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 4 IoCs
  • Suspicious use of WriteProcessMemory 6 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⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\fdn.exe
      "C:\Users\Admin\AppData\Local\Temp\fdn.exe" {fd2f86db-f2bf-11ee-a2ee-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • 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:312
      • 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:3944
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    1KB

    MD5

    2301f9ccf36d6f2b0df80e56c9b21a57

    SHA1

    9ca5f2ee8d12492b9fcd7f0f2d76aebc57b4dfa1

    SHA256

    2588ebab6deb5afc2627b0040e4122b0e37fe6aba35bbd5179115b97f4c1449d

    SHA512

    e45be3c75ef1b692b942aaa3ef93b2b513e36b37a3b6fca589b15a11bfc1ac1a3fac8d2c0f5fbded003e9c6b5c6106f7433e7a90648135cef36693fbbac935f2

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  • C:\Users\Admin\AppData\Local\Temp\fdn.exe
    Filesize

    72KB

    MD5

    108756f41d114eb93e136ba2feb838d0

    SHA1

    8c6b51923ee7da2f4642c7717db95fbb77d96164

    SHA256

    b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

    SHA512

    d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

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