Analysis

  • max time kernel
    156s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    13-02-2022 12:21

General

  • Target

    7a2e499274f7d6140dd2679fc8cea05afb434f6721f952a9ff87293938a936b5.exe

  • Size

    72KB

  • MD5

    fb6f23927a2170bba9af65ca88d7664a

  • SHA1

    37612c59c31dca457e54f5ebba1c4939f6505d63

  • SHA256

    7a2e499274f7d6140dd2679fc8cea05afb434f6721f952a9ff87293938a936b5

  • SHA512

    3df1c1ade15acf27426221ea9459e1b4913f4cd3ead29c0b0c59618a3dbf03a92ecd764b990cf7c6f98b5aa93f9651ea77725e37b28144ef4945ed22d8012b48

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: XsHmuuiWcMgjitqGaxdaafnBGCnP13zcy6 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: XsHmuuiWcMgjitqGaxdaafnBGCnP13zcy6 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).

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

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

  • 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.

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a2e499274f7d6140dd2679fc8cea05afb434f6721f952a9ff87293938a936b5.exe
    "C:\Users\Admin\AppData\Local\Temp\7a2e499274f7d6140dd2679fc8cea05afb434f6721f952a9ff87293938a936b5.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Users\Admin\AppData\Local\Temp\vmxx.exe
      "C:\Users\Admin\AppData\Local\Temp\vmxx.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\7A2E49~1.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:776
      • C:\Windows\SysWOW64\VSSADMIN.EXE
        "C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1368
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    cbdfae2e2620b9e56d869e484fcfdac3

    SHA1

    719c2e760f4453c323ac06635844823b966fbbb3

    SHA256

    61139bf5ee5be48f83bef4d9e9ff3a31355e48b2c890ce8fd2b3ec63a51f7018

    SHA512

    3a3bcf4d137cbc549a48ac08648c672ee0d780f4e57cbf6348a5c11dc9c84823fcb134646306c66aac007bb56577e223e2681701f55c779858f7ee633e9e0a4d

  • C:\Users\Admin\AppData\Local\Temp\vmxx.exe

    MD5

    fb6f23927a2170bba9af65ca88d7664a

    SHA1

    37612c59c31dca457e54f5ebba1c4939f6505d63

    SHA256

    7a2e499274f7d6140dd2679fc8cea05afb434f6721f952a9ff87293938a936b5

    SHA512

    3df1c1ade15acf27426221ea9459e1b4913f4cd3ead29c0b0c59618a3dbf03a92ecd764b990cf7c6f98b5aa93f9651ea77725e37b28144ef4945ed22d8012b48

  • C:\Users\Admin\AppData\Local\Temp\vmxx.exe

    MD5

    fb6f23927a2170bba9af65ca88d7664a

    SHA1

    37612c59c31dca457e54f5ebba1c4939f6505d63

    SHA256

    7a2e499274f7d6140dd2679fc8cea05afb434f6721f952a9ff87293938a936b5

    SHA512

    3df1c1ade15acf27426221ea9459e1b4913f4cd3ead29c0b0c59618a3dbf03a92ecd764b990cf7c6f98b5aa93f9651ea77725e37b28144ef4945ed22d8012b48

  • \Users\Admin\AppData\Local\Temp\vmxx.exe

    MD5

    fb6f23927a2170bba9af65ca88d7664a

    SHA1

    37612c59c31dca457e54f5ebba1c4939f6505d63

    SHA256

    7a2e499274f7d6140dd2679fc8cea05afb434f6721f952a9ff87293938a936b5

    SHA512

    3df1c1ade15acf27426221ea9459e1b4913f4cd3ead29c0b0c59618a3dbf03a92ecd764b990cf7c6f98b5aa93f9651ea77725e37b28144ef4945ed22d8012b48

  • \Users\Admin\AppData\Local\Temp\vmxx.exe

    MD5

    fb6f23927a2170bba9af65ca88d7664a

    SHA1

    37612c59c31dca457e54f5ebba1c4939f6505d63

    SHA256

    7a2e499274f7d6140dd2679fc8cea05afb434f6721f952a9ff87293938a936b5

    SHA512

    3df1c1ade15acf27426221ea9459e1b4913f4cd3ead29c0b0c59618a3dbf03a92ecd764b990cf7c6f98b5aa93f9651ea77725e37b28144ef4945ed22d8012b48

  • \Users\Admin\AppData\Local\Temp\vmxx.exe

    MD5

    fb6f23927a2170bba9af65ca88d7664a

    SHA1

    37612c59c31dca457e54f5ebba1c4939f6505d63

    SHA256

    7a2e499274f7d6140dd2679fc8cea05afb434f6721f952a9ff87293938a936b5

    SHA512

    3df1c1ade15acf27426221ea9459e1b4913f4cd3ead29c0b0c59618a3dbf03a92ecd764b990cf7c6f98b5aa93f9651ea77725e37b28144ef4945ed22d8012b48

  • \Users\Admin\AppData\Local\Temp\vmxx.exe

    MD5

    fb6f23927a2170bba9af65ca88d7664a

    SHA1

    37612c59c31dca457e54f5ebba1c4939f6505d63

    SHA256

    7a2e499274f7d6140dd2679fc8cea05afb434f6721f952a9ff87293938a936b5

    SHA512

    3df1c1ade15acf27426221ea9459e1b4913f4cd3ead29c0b0c59618a3dbf03a92ecd764b990cf7c6f98b5aa93f9651ea77725e37b28144ef4945ed22d8012b48

  • \Users\Admin\AppData\Local\Temp\vmxx.exe

    MD5

    fb6f23927a2170bba9af65ca88d7664a

    SHA1

    37612c59c31dca457e54f5ebba1c4939f6505d63

    SHA256

    7a2e499274f7d6140dd2679fc8cea05afb434f6721f952a9ff87293938a936b5

    SHA512

    3df1c1ade15acf27426221ea9459e1b4913f4cd3ead29c0b0c59618a3dbf03a92ecd764b990cf7c6f98b5aa93f9651ea77725e37b28144ef4945ed22d8012b48

  • memory/1180-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

    Filesize

    8KB