Overview

overview

10

Static

static

b23fe1a321...b7.exe

windows7_x64

10

b23fe1a321...b7.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    13-02-2022 12:21

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General

  • Target

    b23fe1a321b8f7b9f0736574a98d115853c84ca6934752e4be13771eec4ac7b7.exe

  • Size

    72KB

  • MD5

    2c0d06420d5af53d3324717bc2e4f280

  • SHA1

    f0d10df44ee7ae8e2da6c02eb1fb9ed1517c26fa

  • SHA256

    b23fe1a321b8f7b9f0736574a98d115853c84ca6934752e4be13771eec4ac7b7

  • SHA512

    7e6c63d1bcba6e22a0f6a2539c25daf451c698fb2579747dd42b059e3780787582263b42ee57e1f8448764fb29b07173a5b8ec43c250fe2e725c6e44b1e3c583

Score
10/10
satanabootkitpersistenceransomware

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: Xqz5WKhkQJBub7XABd4TJANXtQXGCacNUG 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: Xqz5WKhkQJBub7XABd4TJANXtQXGCacNUG 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 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 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). Likely ransomware behaviour.

  • Interacts with shadow copies 2 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b23fe1a321b8f7b9f0736574a98d115853c84ca6934752e4be13771eec4ac7b7.exe
    "C:\Users\Admin\AppData\Local\Temp\b23fe1a321b8f7b9f0736574a98d115853c84ca6934752e4be13771eec4ac7b7.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\tasbqbc.exe
      "C:\Users\Admin\AppData\Local\Temp\tasbqbc.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\B23FE1~1.EXE"
      2⤵
      • Executes dropped EXE
      • Deletes itself
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1660
      • C:\Windows\SysWOW64\VSSADMIN.EXE
        "C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1504
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2012

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\!satana!.txt
    MD5

    9c4bbcbddbb76e27f2a802b2781bc877

    SHA1

    b6da6284c1e5c47c7f7e5510f314a142cbfe4dc4

    SHA256

    3a9488c4673728924f52637cca68f200849478f9a210e9ef8a8fabeb0cdfa246

    SHA512

    b96a05740b4c965c46047bc1d1725746c065cf46fe284fc33e24bf6d2cfceb15452788e45b18064b9ae01c993bdede5cbabd96191470001860c2713cf54b58e1

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tasbqbc.exe
    MD5

    2c0d06420d5af53d3324717bc2e4f280

    SHA1

    f0d10df44ee7ae8e2da6c02eb1fb9ed1517c26fa

    SHA256

    b23fe1a321b8f7b9f0736574a98d115853c84ca6934752e4be13771eec4ac7b7

    SHA512

    7e6c63d1bcba6e22a0f6a2539c25daf451c698fb2579747dd42b059e3780787582263b42ee57e1f8448764fb29b07173a5b8ec43c250fe2e725c6e44b1e3c583

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tasbqbc.exe
    MD5

    2c0d06420d5af53d3324717bc2e4f280

    SHA1

    f0d10df44ee7ae8e2da6c02eb1fb9ed1517c26fa

    SHA256

    b23fe1a321b8f7b9f0736574a98d115853c84ca6934752e4be13771eec4ac7b7

    SHA512

    7e6c63d1bcba6e22a0f6a2539c25daf451c698fb2579747dd42b059e3780787582263b42ee57e1f8448764fb29b07173a5b8ec43c250fe2e725c6e44b1e3c583

    Download Submit

  • \Users\Admin\AppData\Local\Temp\tasbqbc.exe
    MD5

    2c0d06420d5af53d3324717bc2e4f280

    SHA1

    f0d10df44ee7ae8e2da6c02eb1fb9ed1517c26fa

    SHA256

    b23fe1a321b8f7b9f0736574a98d115853c84ca6934752e4be13771eec4ac7b7

    SHA512

    7e6c63d1bcba6e22a0f6a2539c25daf451c698fb2579747dd42b059e3780787582263b42ee57e1f8448764fb29b07173a5b8ec43c250fe2e725c6e44b1e3c583

    Download Submit

  • \Users\Admin\AppData\Local\Temp\tasbqbc.exe
    MD5

    2c0d06420d5af53d3324717bc2e4f280

    SHA1

    f0d10df44ee7ae8e2da6c02eb1fb9ed1517c26fa

    SHA256

    b23fe1a321b8f7b9f0736574a98d115853c84ca6934752e4be13771eec4ac7b7

    SHA512

    7e6c63d1bcba6e22a0f6a2539c25daf451c698fb2579747dd42b059e3780787582263b42ee57e1f8448764fb29b07173a5b8ec43c250fe2e725c6e44b1e3c583

    Download Submit

  • \Users\Admin\AppData\Local\Temp\tasbqbc.exe
    MD5

    2c0d06420d5af53d3324717bc2e4f280

    SHA1

    f0d10df44ee7ae8e2da6c02eb1fb9ed1517c26fa

    SHA256

    b23fe1a321b8f7b9f0736574a98d115853c84ca6934752e4be13771eec4ac7b7

    SHA512

    7e6c63d1bcba6e22a0f6a2539c25daf451c698fb2579747dd42b059e3780787582263b42ee57e1f8448764fb29b07173a5b8ec43c250fe2e725c6e44b1e3c583

    Download Submit

  • \Users\Admin\AppData\Local\Temp\tasbqbc.exe
    MD5

    2c0d06420d5af53d3324717bc2e4f280

    SHA1

    f0d10df44ee7ae8e2da6c02eb1fb9ed1517c26fa

    SHA256

    b23fe1a321b8f7b9f0736574a98d115853c84ca6934752e4be13771eec4ac7b7

    SHA512

    7e6c63d1bcba6e22a0f6a2539c25daf451c698fb2579747dd42b059e3780787582263b42ee57e1f8448764fb29b07173a5b8ec43c250fe2e725c6e44b1e3c583

    Download Submit

  • \Users\Admin\AppData\Local\Temp\tasbqbc.exe
    MD5

    2c0d06420d5af53d3324717bc2e4f280

    SHA1

    f0d10df44ee7ae8e2da6c02eb1fb9ed1517c26fa

    SHA256

    b23fe1a321b8f7b9f0736574a98d115853c84ca6934752e4be13771eec4ac7b7

    SHA512

    7e6c63d1bcba6e22a0f6a2539c25daf451c698fb2579747dd42b059e3780787582263b42ee57e1f8448764fb29b07173a5b8ec43c250fe2e725c6e44b1e3c583

    Download Submit

  • memory/1628-54-0x0000000075531000-0x0000000075533000-memory.dmp

    Filesize

    8KB

    Download