Overview

overview

10

Static

static

10

e48138f165...ef.exe

windows7-x64

10

e48138f165...ef.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    94s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 10:54

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General

  • Target

    e48138f16524da77e9d85ec11596e668664c116bcd3c995641af0d52c0526def.exe

  • Size

    335KB

  • MD5

    baad3244b1b5663e0a7f121d90edd298

  • SHA1

    22a518e2ab331a1eaff6069b722d627638fbfbef

  • SHA256

    e48138f16524da77e9d85ec11596e668664c116bcd3c995641af0d52c0526def

  • SHA512

    9a3d61ef1061528aa9ca7289aa50af1d5d5b755159dd231d4a1594354992719f3f29058411a1bac38fc97b2a73cf6159b181b55e416a002404f053d5140a58ca

  • SSDEEP

    6144:0D9c9kL94GeFdhL29TuuXglosdU4GjbKqBaQy/oOERKlJ6LaY8:0x54GeFddmpXg+sdUhjWsat/oOERKz6G

Score
10/10
chaosevasionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\3D Objects\read_me.txt

Ransom Note
Внимание! Ваша ОС заражена вирусом XznShirkiCry, а все ваши файлы были зашифрованы. Для того чтобы расшифровать ваши файлы, необходимо заплатить выкуп 5$ на BitCoin-кошелек. После этого написать на нашу электронную почту. BitCoin-кошелек:33KahcFtpmK3kX3zXQ8fonKL5HNYrhWwy8 Электронная почта:[email protected] Важно! Зашифрованы файлы: Не удалять Не изменять расширение файлов В случаи если вы удалите наш вирус или ваш антивирус его удалит, то расшифровка станет невозможна!!! Ваш ID:17666. Данный ID понадобится для расшифровки. English: Attention! Your OS is infected with the XznShirkiCry virus, and all your files have been encrypted. In order to decrypt your files, you need to pay a $5 ransom to a BitCoin wallet. After that, write to our email address. BitCoin Wallet:33KahcFtpmK3kX3zXQ8fonKL5HNYrhWwy8 e-mail:[email protected] Important! Encrypted files: Do not delete Do not change the file extension If you delete our virus or your antivirus deletes it, then decryption will be impossible!!! Your ID:17666. You will need this ID for decryption.
Emails

почта:[email protected]

e-mail:[email protected]

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

    ransomwarechaos
  • Chaos Ransomware 2 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Detects command variations typically used by ransomware 2 IoCs
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Renames multiple (166) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Disables Task Manager via registry modification
    evasion
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 64 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 49 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\e48138f16524da77e9d85ec11596e668664c116bcd3c995641af0d52c0526def.exe
    "C:\Users\Admin\AppData\Local\Temp\e48138f16524da77e9d85ec11596e668664c116bcd3c995641af0d52c0526def.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Users\Admin\AppData\Roaming\XznShirkiCry.exe
      "C:\Users\Admin\AppData\Roaming\XznShirkiCry.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Sets desktop wallpaper using registry
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1304
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3664
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:468
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3376
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3008
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:3952
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2508
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2520
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:4076
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_me.txt
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:2392
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1212
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2528
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:3904
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3924

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\3D Objects\read_me.txt
      Filesize

      1KB

      MD5

      52a83c495f5a828fe1b086b6d75944a9

      SHA1

      7deaf788edbe768fc3216ebe0f51822882657d8c

      SHA256

      f84164610a055bd6ee157f10503b845bb96baa96d6969d466192fc4ee5cb742d

      SHA512

      61e8974e4329d8b33639e570fc4fc0f0babd64c7c4f6a61839988ec02b01f6647e73d9822fee3e54b3cfc992554c1994cb49d07767be10700a1a5c7ca2a78e20

      Download Submit

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\e48138f16524da77e9d85ec11596e668664c116bcd3c995641af0d52c0526def.exe.log
      Filesize

      226B

      MD5

      28d7fcc2b910da5e67ebb99451a5f598

      SHA1

      a5bf77a53eda1208f4f37d09d82da0b9915a6747

      SHA256

      2391511d0a66ed9f84ae54254f51c09e43be01ad685db80da3201ec880abd49c

      SHA512

      2d8eb65cbf04ca506f4ef3b9ae13ccf05ebefab702269ba70ffd1ce9e6c615db0a3ee3ac0e81a06f546fc3250b7b76155dd51241c41b507a441b658c8e761df6

      Download Submit

    • C:\Users\Admin\AppData\Roaming\CloseRename.mpeg
      Filesize

      1B

      MD5

      d1457b72c3fb323a2671125aef3eab5d

      SHA1

      5bab61eb53176449e25c2c82f172b82cb13ffb9d

      SHA256

      8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

      SHA512

      ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

      Download Submit

    • C:\Users\Admin\AppData\Roaming\XznShirkiCry.exe
      Filesize

      335KB

      MD5

      baad3244b1b5663e0a7f121d90edd298

      SHA1

      22a518e2ab331a1eaff6069b722d627638fbfbef

      SHA256

      e48138f16524da77e9d85ec11596e668664c116bcd3c995641af0d52c0526def

      SHA512

      9a3d61ef1061528aa9ca7289aa50af1d5d5b755159dd231d4a1594354992719f3f29058411a1bac38fc97b2a73cf6159b181b55e416a002404f053d5140a58ca

      Download Submit

    • memory/1304-15-0x00007FFB35A30000-0x00007FFB364F1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1304-29-0x000000001B080000-0x000000001B090000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1304-1124-0x00007FFB35A30000-0x00007FFB364F1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1304-1125-0x000000001B080000-0x000000001B090000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4572-0-0x00000000001F0000-0x000000000024A000-memory.dmp

      Filesize

      360KB

      Download

    • memory/4572-1-0x00007FFB35A30000-0x00007FFB364F1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4572-14-0x00007FFB35A30000-0x00007FFB364F1000-memory.dmp

      Filesize

      10.8MB

      Download