Overview

overview

10

Static

static

MSUpdate.bin.exe

windows7-x64

10

MSUpdate.bin.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    117s
  • max time network
    112s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    18-11-2022 15:39

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General

  • Target

    MSUpdate.bin.exe

  • Size

    360KB

  • MD5

    9ce01dfbf25dfea778e57d8274675d6f

  • SHA1

    1bd767beb5bc36b396ca6405748042640ad57526

  • SHA256

    5343947829609f69e84fe7e8172c38ee018ede3c9898d4895275f596ac54320d

  • SHA512

    d6ba89c1f221a94e3061bc4da896760d99935a7c766b8e4e30146266cf3356acd883835e75dbb86574bc869c83d381c8f63f23392101f6062bba4343af49978b

  • SSDEEP

    6144:4qZbqZToxIizLBZ6R56VkGM4ceLJ5vs5JGJceO/QCErIiuNAvwu:4qZb8oR3D6R5QHXZJy/Q50imAvB

Score
10/10
teslacryptpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-3406023954-474543476-3319432036-1000\_RECOVERY_+qeplg.txt

Family

teslacrypt

Ransom Note
NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with AES More information about the encryption keys using AES can be found here: http://en.wikipedia.org/wiki/AES How did this happen ? !!! Specially for your PC was generated personal AES KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/DC455AAC55F4AC90 2. http://tes543berda73i48fsdfsd.keratadze.at/DC455AAC55F4AC90 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/DC455AAC55F4AC90 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser 3. Type in the address bar: xlowfznrg4wf7dli.onion/DC455AAC55F4AC90 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/DC455AAC55F4AC90 http://tes543berda73i48fsdfsd.keratadze.at/DC455AAC55F4AC90 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/DC455AAC55F4AC90 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/DC455AAC55F4AC90
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/DC455AAC55F4AC90

http://tes543berda73i48fsdfsd.keratadze.at/DC455AAC55F4AC90

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/DC455AAC55F4AC90

http://xlowfznrg4wf7dli.ONION/DC455AAC55F4AC90

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\Certificates\_RECOVERY_+qeplg.html

Ransom Note
NOT YOUR LANGUAGE? USE Google Translate What happened to your files? of your files were protected by a strong encryption with AES More information about the encryption AES can be found https://en.wikipedia.org/wiki/AES at does this mean? his means that the structure and data within your files have been irrevocably changed, you will not be able work with them, read them or see them, it is the same thing as losing them forever, but with our help, you can restore them How did this happen? Especially for you, on our SERVER was generated the secret key All your files were encrypted with the public key, which has been transferred to your computer via the Internet. Decrypting of YOUR FILES is only possible with the help of the private key and decrypt program which is on our Secret Server!!! at do I do? do not take the necessary measures for the specified time then the conditions for obtaining the private key will be changed If you really need your data, then we suggest you do not waste valuable time searching for other solutions becausen they do not exist. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1 - http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/DC455AAC55F4AC90 2 - http://tes543berda73i48fsdfsd.keratadze.at/DC455AAC55F4AC90 3 - http://tt54rfdjhb34rfbnknaerg.milerteddy.com/DC455AAC55F4AC90 If for some reasons the addresses are not available, follow these steps: 1 - Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2 - After a successful installation, run the browser and wait for initialization. 3 - Type in the tor-browser address bar: xlowfznrg4wf7dli.onion/DC455AAC55F4AC90 4 - Follow the instructions on the site. !!! IMPORTANT INFORMATION: Your Personal PAGES : http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/DC455AAC55F4AC90 http://tes543berda73i48fsdfsd.keratadze.at/DC455AAC55F4AC90 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/DC455AAC55F4AC90 Your Personal TOR-Browser page : xlowfznrg4wf7dli.onion/DC455AAC55F4AC90 Your personal ID (if you open the site directly):
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/DC455AAC55F4AC90

http://tes543berda73i48fsdfsd.keratadze.at/DC455AAC55F4AC90

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/DC455AAC55F4AC90

http://xlowfznrg4wf7dli.onion/DC455AAC55F4AC90

Signatures

  • TeslaCrypt, AlphaCrypt

    Ransomware based on CryptoLocker. Shut down by the developers in 2016.

    ransomwareteslacrypt
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Executes dropped EXE 1 IoCs
  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Deletes itself 1 IoCs
  • Drops startup file 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
    adwarespyware
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\MSUpdate.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\MSUpdate.bin.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Windows\rkyawgtedppw.exe
      C:\Windows\rkyawgtedppw.exe
      2⤵
      • Executes dropped EXE
      • Modifies extensions of user files
      • Drops startup file
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2000
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1896
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\RECOVERY.TXT
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:1076
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\RECOVERY.HTM
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:212
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:212 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1328
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:784
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Windows\RKYAWG~1.EXE
        3⤵
          PID:1568
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\MSUPDA~1.EXE
        2⤵
        • Deletes itself
        PID:852
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1900
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:904

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\CRLs\_RECOVERY_+qeplg.html
      Filesize

      11KB

      MD5

      07179129d8ab9d2f96b1b16050db5a90

      SHA1

      75774646fa27ac6e6f63cbab6eb94e83f2d2aaeb

      SHA256

      b8ae9527b86eba1af9b1cd72ad6ce5debf841811663ece5a93e1e38fca7525fe

      SHA512

      8243688fee3a778fa11f952056af993ccb16e1b5a604dec75f9f5a58c849c55fc7e6a3f2c1be75da132f66dd40004c695f99541e5a0c01d3ff18c882cb2619f7

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\CRLs\_RECOVERY_+qeplg.png
      Filesize

      62KB

      MD5

      83d5f96ce588f6d73f33742366af7a5c

      SHA1

      c4fc56f803276dd002582d48e39de01cc395a9bd

      SHA256

      a0314056f043c7a6a2582a0324e9077f0f88afb82996901cbb76f011b9721d59

      SHA512

      0b517a17aa34ed7dc0e4f9cc22c7ee99080cf085a92c576ff025d9792180324b074c49382df947c8168ece301e3e4d1989c833d55a98aec87a5f2bc2ade25fb6

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\CRLs\_RECOVERY_+qeplg.txt
      Filesize

      1KB

      MD5

      e60331dd4514e6554972f27a104e987c

      SHA1

      bcf6344e06cdbeabaf13cb341d4686eb3f3babeb

      SHA256

      93023a11ec8a653c0e253866617e721973c6b8b5006daa813e54ab9c1f142cef

      SHA512

      90ed52bb222f37a3e17dd5c765fa308a42aae9ff07353b333e5e90341273c4fb88eb855080a45037242f7f19f69982d630424629ae433a8400633b57ebf24189

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\CTLs\_RECOVERY_+qeplg.html
      Filesize

      11KB

      MD5

      07179129d8ab9d2f96b1b16050db5a90

      SHA1

      75774646fa27ac6e6f63cbab6eb94e83f2d2aaeb

      SHA256

      b8ae9527b86eba1af9b1cd72ad6ce5debf841811663ece5a93e1e38fca7525fe

      SHA512

      8243688fee3a778fa11f952056af993ccb16e1b5a604dec75f9f5a58c849c55fc7e6a3f2c1be75da132f66dd40004c695f99541e5a0c01d3ff18c882cb2619f7

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\CTLs\_RECOVERY_+qeplg.png
      Filesize

      62KB

      MD5

      83d5f96ce588f6d73f33742366af7a5c

      SHA1

      c4fc56f803276dd002582d48e39de01cc395a9bd

      SHA256

      a0314056f043c7a6a2582a0324e9077f0f88afb82996901cbb76f011b9721d59

      SHA512

      0b517a17aa34ed7dc0e4f9cc22c7ee99080cf085a92c576ff025d9792180324b074c49382df947c8168ece301e3e4d1989c833d55a98aec87a5f2bc2ade25fb6

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\CTLs\_RECOVERY_+qeplg.txt
      Filesize

      1KB

      MD5

      e60331dd4514e6554972f27a104e987c

      SHA1

      bcf6344e06cdbeabaf13cb341d4686eb3f3babeb

      SHA256

      93023a11ec8a653c0e253866617e721973c6b8b5006daa813e54ab9c1f142cef

      SHA512

      90ed52bb222f37a3e17dd5c765fa308a42aae9ff07353b333e5e90341273c4fb88eb855080a45037242f7f19f69982d630424629ae433a8400633b57ebf24189

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\Certificates\_RECOVERY_+qeplg.html
      Filesize

      11KB

      MD5

      07179129d8ab9d2f96b1b16050db5a90

      SHA1

      75774646fa27ac6e6f63cbab6eb94e83f2d2aaeb

      SHA256

      b8ae9527b86eba1af9b1cd72ad6ce5debf841811663ece5a93e1e38fca7525fe

      SHA512

      8243688fee3a778fa11f952056af993ccb16e1b5a604dec75f9f5a58c849c55fc7e6a3f2c1be75da132f66dd40004c695f99541e5a0c01d3ff18c882cb2619f7

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\Certificates\_RECOVERY_+qeplg.png
      Filesize

      62KB

      MD5

      83d5f96ce588f6d73f33742366af7a5c

      SHA1

      c4fc56f803276dd002582d48e39de01cc395a9bd

      SHA256

      a0314056f043c7a6a2582a0324e9077f0f88afb82996901cbb76f011b9721d59

      SHA512

      0b517a17aa34ed7dc0e4f9cc22c7ee99080cf085a92c576ff025d9792180324b074c49382df947c8168ece301e3e4d1989c833d55a98aec87a5f2bc2ade25fb6

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\Certificates\_RECOVERY_+qeplg.txt
      Filesize

      1KB

      MD5

      e60331dd4514e6554972f27a104e987c

      SHA1

      bcf6344e06cdbeabaf13cb341d4686eb3f3babeb

      SHA256

      93023a11ec8a653c0e253866617e721973c6b8b5006daa813e54ab9c1f142cef

      SHA512

      90ed52bb222f37a3e17dd5c765fa308a42aae9ff07353b333e5e90341273c4fb88eb855080a45037242f7f19f69982d630424629ae433a8400633b57ebf24189

      Download Submit

    • C:\Users\Admin\Desktop\RECOVERY.HTM
      Filesize

      11KB

      MD5

      07179129d8ab9d2f96b1b16050db5a90

      SHA1

      75774646fa27ac6e6f63cbab6eb94e83f2d2aaeb

      SHA256

      b8ae9527b86eba1af9b1cd72ad6ce5debf841811663ece5a93e1e38fca7525fe

      SHA512

      8243688fee3a778fa11f952056af993ccb16e1b5a604dec75f9f5a58c849c55fc7e6a3f2c1be75da132f66dd40004c695f99541e5a0c01d3ff18c882cb2619f7

      Download Submit

    • C:\Users\Admin\Desktop\RECOVERY.TXT
      Filesize

      1KB

      MD5

      e60331dd4514e6554972f27a104e987c

      SHA1

      bcf6344e06cdbeabaf13cb341d4686eb3f3babeb

      SHA256

      93023a11ec8a653c0e253866617e721973c6b8b5006daa813e54ab9c1f142cef

      SHA512

      90ed52bb222f37a3e17dd5c765fa308a42aae9ff07353b333e5e90341273c4fb88eb855080a45037242f7f19f69982d630424629ae433a8400633b57ebf24189

      Download Submit

    • C:\Users\Admin\Desktop\RECOVERY.png
      Filesize

      62KB

      MD5

      83d5f96ce588f6d73f33742366af7a5c

      SHA1

      c4fc56f803276dd002582d48e39de01cc395a9bd

      SHA256

      a0314056f043c7a6a2582a0324e9077f0f88afb82996901cbb76f011b9721d59

      SHA512

      0b517a17aa34ed7dc0e4f9cc22c7ee99080cf085a92c576ff025d9792180324b074c49382df947c8168ece301e3e4d1989c833d55a98aec87a5f2bc2ade25fb6

      Download Submit

    • C:\Windows\rkyawgtedppw.exe
      Filesize

      360KB

      MD5

      9ce01dfbf25dfea778e57d8274675d6f

      SHA1

      1bd767beb5bc36b396ca6405748042640ad57526

      SHA256

      5343947829609f69e84fe7e8172c38ee018ede3c9898d4895275f596ac54320d

      SHA512

      d6ba89c1f221a94e3061bc4da896760d99935a7c766b8e4e30146266cf3356acd883835e75dbb86574bc869c83d381c8f63f23392101f6062bba4343af49978b

      Download Submit

    • C:\Windows\rkyawgtedppw.exe
      Filesize

      360KB

      MD5

      9ce01dfbf25dfea778e57d8274675d6f

      SHA1

      1bd767beb5bc36b396ca6405748042640ad57526

      SHA256

      5343947829609f69e84fe7e8172c38ee018ede3c9898d4895275f596ac54320d

      SHA512

      d6ba89c1f221a94e3061bc4da896760d99935a7c766b8e4e30146266cf3356acd883835e75dbb86574bc869c83d381c8f63f23392101f6062bba4343af49978b

      Download Submit

    • memory/784-76-0x0000000000000000-mapping.dmp

      Download

    • memory/852-62-0x0000000000000000-mapping.dmp

      Download

    • memory/1076-72-0x0000000000000000-mapping.dmp

      Download

    • memory/1236-54-0x0000000076941000-0x0000000076943000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1236-59-0x00000000004A0000-0x0000000000525000-memory.dmp

      Filesize

      532KB

      Download

    • memory/1236-55-0x0000000000400000-0x000000000049E000-memory.dmp

      Filesize

      632KB

      Download

    • memory/1568-88-0x0000000000000000-mapping.dmp

      Download

    • memory/1896-71-0x0000000000000000-mapping.dmp

      Download

    • memory/2000-69-0x00000000002D0000-0x0000000000355000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2000-65-0x0000000000400000-0x000000000049E000-memory.dmp

      Filesize

      632KB

      Download

    • memory/2000-60-0x0000000000000000-mapping.dmp

      Download