Overview

overview

10

Static

static

3

022091772d...d1.exe

windows7-x64

10

022091772d...d1.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 19:44

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General

  • Target

    022091772db14e763fcceeb462d150d1.exe

  • Size

    969KB

  • MD5

    022091772db14e763fcceeb462d150d1

  • SHA1

    dcc81069eccf55b6b292fa0b284265c6af4c4e74

  • SHA256

    b2f1ec9408272cc125b96a4f3b7c06c23742d69845e9b6a24f7eafad4da72faa

  • SHA512

    67ac81a397f7e0c73167ead29a412e0d2f5e9d552f68059d431bbb8b04767d0783ea49bbedabe025331cc9067a3a959666765ccd7b88b16e28ca9ed5d53c131b

  • SSDEEP

    24576:PbqIi4vsu1NQ9+aubOj+vCVCdN/4yMdkzkxwccmiF:DqIiW7Qoau174IkxwVD

Score
10/10
lockbitdiscoveryevasionpersistenceransomware

Malware Config

Extracted

Path

C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\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: FCE1FD7644DB7C6D8B3F46C32A826DB0
URLs

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

https://bigblog.at

http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion

http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion

https://decoding.at

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • 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 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • 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\022091772db14e763fcceeb462d150d1.exe
    "C:\Users\Admin\AppData\Local\Temp\022091772db14e763fcceeb462d150d1.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1404
    • 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:3860
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1080
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1612
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4036
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3740
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1188

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\Restore-My-Files.txt
          Filesize

          512B

          MD5

          f4be0eb9fb089fa773acdb0ce1eb55a7

          SHA1

          e6ffe32d0fed16e64c68eb7e76361a4f8db0ffdd

          SHA256

          fed994119f80b823eed512d0acc8ba5b3261fcbec339c80ca14f373ef26f1514

          SHA512

          07da03b6ed10ead428844feaa916b1259b9092ffd90f5b01b9abcf1563e34b179f6d5dbde52a972440a47424e0847ded0d80007bd95423e7e3e4272cbd5f2e19

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