Analysis

  • max time kernel
    123s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    13-02-2022 12:22

General

  • Target

    021e24623d999c5bd993873735d8c62202b6591199200d680ff94ca1cf2f58d3.exe

  • Size

    19KB

  • MD5

    b7bbcacddaf239ec748b21ac54007c0e

  • SHA1

    d6b9b0edbe1b2bfde48a9d91bfebec1035e2d821

  • SHA256

    021e24623d999c5bd993873735d8c62202b6591199200d680ff94ca1cf2f58d3

  • SHA512

    8c46cdb5c8e25c965a64c5d704dfb5da6e5b8cab390b74b413353c03f6ec121d7aaad2c43fc222eefbf8e5a0057f35dc2e4fcb632ee3584f9d2311cc9aa20f7d

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 3 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\021e24623d999c5bd993873735d8c62202b6591199200d680ff94ca1cf2f58d3.exe
    "C:\Users\Admin\AppData\Local\Temp\021e24623d999c5bd993873735d8c62202b6591199200d680ff94ca1cf2f58d3.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\zdcosa.exe
      "C:\Users\Admin\AppData\Local\Temp\zdcosa.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\021E24~1.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:664
      • C:\Windows\SysWOW64\VSSADMIN.EXE
        "C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:564
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    b71b6af79019846d34214f364eb8ced2

    SHA1

    9461884badbf7a07867dea559cb2967514565ba0

    SHA256

    06199fc48bb1560d90955f6b1c23ba827cea5f74db32eb568fa32de1fcec8ece

    SHA512

    6d7f5c9032cdc0feeb0a07e2bbb7d3e63762d1723c309da9553521fff412d268c8a3ed15d06b4c8db1102354b5d83bda915585f50c9d38695f432bf9abb6e6c7

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

    b7bbcacddaf239ec748b21ac54007c0e

    SHA1

    d6b9b0edbe1b2bfde48a9d91bfebec1035e2d821

    SHA256

    021e24623d999c5bd993873735d8c62202b6591199200d680ff94ca1cf2f58d3

    SHA512

    8c46cdb5c8e25c965a64c5d704dfb5da6e5b8cab390b74b413353c03f6ec121d7aaad2c43fc222eefbf8e5a0057f35dc2e4fcb632ee3584f9d2311cc9aa20f7d

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

    b7bbcacddaf239ec748b21ac54007c0e

    SHA1

    d6b9b0edbe1b2bfde48a9d91bfebec1035e2d821

    SHA256

    021e24623d999c5bd993873735d8c62202b6591199200d680ff94ca1cf2f58d3

    SHA512

    8c46cdb5c8e25c965a64c5d704dfb5da6e5b8cab390b74b413353c03f6ec121d7aaad2c43fc222eefbf8e5a0057f35dc2e4fcb632ee3584f9d2311cc9aa20f7d

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

    b7bbcacddaf239ec748b21ac54007c0e

    SHA1

    d6b9b0edbe1b2bfde48a9d91bfebec1035e2d821

    SHA256

    021e24623d999c5bd993873735d8c62202b6591199200d680ff94ca1cf2f58d3

    SHA512

    8c46cdb5c8e25c965a64c5d704dfb5da6e5b8cab390b74b413353c03f6ec121d7aaad2c43fc222eefbf8e5a0057f35dc2e4fcb632ee3584f9d2311cc9aa20f7d

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

    b7bbcacddaf239ec748b21ac54007c0e

    SHA1

    d6b9b0edbe1b2bfde48a9d91bfebec1035e2d821

    SHA256

    021e24623d999c5bd993873735d8c62202b6591199200d680ff94ca1cf2f58d3

    SHA512

    8c46cdb5c8e25c965a64c5d704dfb5da6e5b8cab390b74b413353c03f6ec121d7aaad2c43fc222eefbf8e5a0057f35dc2e4fcb632ee3584f9d2311cc9aa20f7d

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

    b7bbcacddaf239ec748b21ac54007c0e

    SHA1

    d6b9b0edbe1b2bfde48a9d91bfebec1035e2d821

    SHA256

    021e24623d999c5bd993873735d8c62202b6591199200d680ff94ca1cf2f58d3

    SHA512

    8c46cdb5c8e25c965a64c5d704dfb5da6e5b8cab390b74b413353c03f6ec121d7aaad2c43fc222eefbf8e5a0057f35dc2e4fcb632ee3584f9d2311cc9aa20f7d

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

    b7bbcacddaf239ec748b21ac54007c0e

    SHA1

    d6b9b0edbe1b2bfde48a9d91bfebec1035e2d821

    SHA256

    021e24623d999c5bd993873735d8c62202b6591199200d680ff94ca1cf2f58d3

    SHA512

    8c46cdb5c8e25c965a64c5d704dfb5da6e5b8cab390b74b413353c03f6ec121d7aaad2c43fc222eefbf8e5a0057f35dc2e4fcb632ee3584f9d2311cc9aa20f7d

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

    b7bbcacddaf239ec748b21ac54007c0e

    SHA1

    d6b9b0edbe1b2bfde48a9d91bfebec1035e2d821

    SHA256

    021e24623d999c5bd993873735d8c62202b6591199200d680ff94ca1cf2f58d3

    SHA512

    8c46cdb5c8e25c965a64c5d704dfb5da6e5b8cab390b74b413353c03f6ec121d7aaad2c43fc222eefbf8e5a0057f35dc2e4fcb632ee3584f9d2311cc9aa20f7d

  • memory/1664-54-0x00000000754B1000-0x00000000754B3000-memory.dmp
    Filesize

    8KB