Analysis

  • max time kernel
    149s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2022 16:28

General

  • Target

    unpacked.exe

  • Size

    72KB

  • MD5

    108756f41d114eb93e136ba2feb838d0

  • SHA1

    8c6b51923ee7da2f4642c7717db95fbb77d96164

  • SHA256

    b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

  • SHA512

    d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

  • SSDEEP

    768:F9NJK3qZRhxXHIQBsLL16BKc+bBQZ/UMc2:rXzXol6cc+lQZMMc2

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: Xmw3ufNfX5zWkspZAmCWgcF1epMahhZWTR 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: Xmw3ufNfX5zWkspZAmCWgcF1epMahhZWTR 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
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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\unpacked.exe
    "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\xqpgfby.exe
      "C:\Users\Admin\AppData\Local\Temp\xqpgfby.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\unpacked.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:616
      • C:\Windows\SysWOW64\VSSADMIN.EXE
        "C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1484
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    c1f8f874e887c677c6524b90cb5683b6

    SHA1

    e16eaf03fa111bde33cbfaf77dddf8501e76db0e

    SHA256

    1a9e18e5db9000c421fc7390666a04a3fe7b44331c3f7fd53957c1c5b00b46d5

    SHA512

    cf7067dcd7d6c0139651df314588d9efda7a8a1057e2e9b554d482f03527d5a1717f80333baa01c32de6a4b3dd4492d3975bae910ec102b98701de754af3f009

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

    Filesize

    72KB

    MD5

    108756f41d114eb93e136ba2feb838d0

    SHA1

    8c6b51923ee7da2f4642c7717db95fbb77d96164

    SHA256

    b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

    SHA512

    d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

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

    Filesize

    72KB

    MD5

    108756f41d114eb93e136ba2feb838d0

    SHA1

    8c6b51923ee7da2f4642c7717db95fbb77d96164

    SHA256

    b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

    SHA512

    d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

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

    Filesize

    72KB

    MD5

    108756f41d114eb93e136ba2feb838d0

    SHA1

    8c6b51923ee7da2f4642c7717db95fbb77d96164

    SHA256

    b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

    SHA512

    d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

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

    Filesize

    72KB

    MD5

    108756f41d114eb93e136ba2feb838d0

    SHA1

    8c6b51923ee7da2f4642c7717db95fbb77d96164

    SHA256

    b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

    SHA512

    d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

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

    Filesize

    72KB

    MD5

    108756f41d114eb93e136ba2feb838d0

    SHA1

    8c6b51923ee7da2f4642c7717db95fbb77d96164

    SHA256

    b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

    SHA512

    d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

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

    Filesize

    72KB

    MD5

    108756f41d114eb93e136ba2feb838d0

    SHA1

    8c6b51923ee7da2f4642c7717db95fbb77d96164

    SHA256

    b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

    SHA512

    d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

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

    Filesize

    72KB

    MD5

    108756f41d114eb93e136ba2feb838d0

    SHA1

    8c6b51923ee7da2f4642c7717db95fbb77d96164

    SHA256

    b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

    SHA512

    d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

  • memory/2036-54-0x0000000076151000-0x0000000076153000-memory.dmp

    Filesize

    8KB