Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 08:36

General

  • Target

    bbdf95831d8fff14ce1341b41f8540841137fb05aa1443a1a68966ab1cdfe0f0.exe

  • Size

    483KB

  • MD5

    59c3704795eeb6aed7b31cd2be1ba4a9

  • SHA1

    dbb44d900dee0b00ed2f4f5c472d700811ba3e00

  • SHA256

    bbdf95831d8fff14ce1341b41f8540841137fb05aa1443a1a68966ab1cdfe0f0

  • SHA512

    1043b98837ed8c6392e9a438ee0cb81461f1cd3a30532c804bd281cdd133dfe7d0291fe5cc1de5b885c76985c499bd28f02a443c9e6a0945574904f145f013fb

  • SSDEEP

    12288:oCy1uEgiPripqTLYwnGmp3LSrqQmv295hyd58aVe8JauMI:yuEgiriuY2GyLSrFWc5hkTVladI

Malware Config

Extracted

Path

C:\Program Files\Java\jdk1.7.0_80\db\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: DDFDBB89A5BFC07A92C15B2D2408A8B0
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.

  • Creates a large amount of network flows 1 TTPs

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

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 21 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.

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 16 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\bbdf95831d8fff14ce1341b41f8540841137fb05aa1443a1a68966ab1cdfe0f0.exe
    "C:\Users\Admin\AppData\Local\Temp\bbdf95831d8fff14ce1341b41f8540841137fb05aa1443a1a68966ab1cdfe0f0.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • 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:3016
    • 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:2484
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2288
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1880
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:828
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1800
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Java\jdk1.7.0_80\db\Restore-My-Files.txt

    Filesize

    512B

    MD5

    4ce90b5e4d1111a46d482a7f9b0af870

    SHA1

    09ce57a70a5378e1665352459deadb21dde84e74

    SHA256

    e26c07496070b7f549d69ba0aaf9ac8cbdc6c0240c2fcbf8bd9fcf60e47eea51

    SHA512

    9aca8652f57b5d58daed500fe2ee62ddd8df4a7ccf7aa28be6c5ab99176fe7bb9d9e37f90f020d62b3f777e30969992f51f93fc7cb93496045ce1c76cf895a61

  • memory/3016-1-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/3016-6-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/3016-6747-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/3016-0-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/3016-7706-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/3016-5-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/3016-7-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/3016-7705-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/3016-4-0x0000000000401000-0x00000000004E1000-memory.dmp

    Filesize

    896KB

  • memory/3016-3-0x0000000000290000-0x00000000002CB000-memory.dmp

    Filesize

    236KB

  • memory/3016-2-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/3016-7707-0x0000000000290000-0x00000000002CB000-memory.dmp

    Filesize

    236KB

  • memory/3016-7709-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/3016-7708-0x0000000000401000-0x00000000004E1000-memory.dmp

    Filesize

    896KB

  • memory/3016-7710-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/3016-7711-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/3016-7713-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB