Overview

overview

10

Static

static

10

LB3.exe

windows7-x64

10

LB3.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    41s
  • max time network
    34s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2025 16:02

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General

  • Target

    LB3.exe

  • Size

    147KB

  • MD5

    7d22648cc82617f20b631d91ad4112d0

  • SHA1

    491f2cda7ba7500ad67d686faa6d866f1b49c708

  • SHA256

    dee450c1654e768ba58402bebd7834c2f36a321284d736917d76934578992bca

  • SHA512

    a5e48ca717a49977078f35a98b560460ccafefef87f17925e3807d0971dfd896441f08c1646708fc517ad89787a799527b77c076d219d4014384e5486c708f5d

  • SSDEEP

    3072:9qJogYkcSNm9V7DoZVNgBlA+GiQ4pfOT:9q2kc4m9tD9A+wc

Score
10/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\hA89nI93a.README.txt

Ransom Note
======================================== !!! ATTENTION !!! Your Files Have Been Encrypted ======================================== What Happened? -------------- All of your important files, documents, photos, and databases have been encrypted using RSA. Without our decryption program, your files cannot be restored. Why Trust Us: -------------------- If we dont give you the decryption program after payment, nobody will trust us. What You Need to Do: -------------------- To get the decryption program, you must contact us. Steps to Restore Your Files: ---------------------------- 1. Open Discord and add the username ballets4. 2. Send us a message and mention your situation. 3. We will provide further instructions for obtaining the decryption program. Important Information: ----------------------- - DO NOT attempt to recover your files using third-party tools. They may damage your data and make recovery impossible. - DO NOT rename, move, or modify the encrypted files. This will also make decryption impossible. - Only we have the tools required to decrypt your files safely and effectively. We are waiting for your message. Time is critical. ======================================== Your Files. Your Responsibility. ========================================

Signatures

  • Renames multiple (609) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 2 IoCs
    ransomware
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 33 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LB3.exe
    "C:\Users\Admin\AppData\Local\Temp\LB3.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:216
    • C:\ProgramData\F463.tmp
      "C:\ProgramData\F463.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4876
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\F463.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:732
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:6112
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\DisableSkip.xml.hA89nI93a
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:320
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4640
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4108
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{F6817534-6B13-4D8B-A812-408A988E5F60}.xps" 133816034029080000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        PID:2168
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\hA89nI93a.README.txt
      1⤵
      • Opens file in notepad (likely ransom note)
      PID:5176

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-940901362-3608833189-1915618603-1000\desktop.ini
      Filesize

      129B

      MD5

      4580e2618bee5c35a62d315eaea877b9

      SHA1

      de0ad62a2e38f37c1f2d7b7af1c39667b0d73725

      SHA256

      a3519ac604c24b0a6afec89b560ab1e47c2714c1e492151f62034bd539adf1ef

      SHA512

      9997928c991ef272b68ffc8006c87a057d7987286c963f8f6e70b4d00b525cc8f2250a3df9212a5095824f3ea027b17c82b1b77131c15448d5951c843649760c

      Download Submit

    • C:\ProgramData\F463.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\DDDDDDD
      Filesize

      147KB

      MD5

      d2499f820927eb21028c8bea95827659

      SHA1

      ab57dce74dd7b0bc757b14a2824ceef620d048fd

      SHA256

      9c8a2a38431f19d349e94df6a04211099502787f5cedb51f3641abc28d79f963

      SHA512

      ef55dcdbb14a9679f9505b430ad2f9cc6b27a73f97be59756c02f726452a03522ec4f0f686e20989efab69d0d33ee58102a826e9c5a1c69df6d872f7756fbf7f

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{E01B0A27-C932-4F84-81DD-72CB6203B949}
      Filesize

      4KB

      MD5

      812897990fca989dcaa7728074f75bd0

      SHA1

      96a02c42d2c216a9fdd2cdeb37c02cd1f065b7db

      SHA256

      cb881fe64bb127be642aa34555f4e460bd4be687a9a6ef386ffef6374b85c22b

      SHA512

      9c7d62215f9180dc483b20a26778130961e9adad610ef831ea63f50f4dc3a64804b2d8e919a4e3bbc45f0afe68f91277442ff77e0fb3010b8d847215706194be

      Download Submit

    • C:\Users\Admin\Desktop\DisableSkip.xml.hA89nI93a
      Filesize

      1007KB

      MD5

      27fbe0d3253def4e13d0ee9c05f3deb1

      SHA1

      22cd48b82be311a2f1f97a383e790d5986393212

      SHA256

      d8d7bcf4bfcdc51fdc3856f8a4cd5de186a95f202fa63b692b3658807fd2e5b3

      SHA512

      b6f7576114cc1ddfb55cc9af1fb75d3f07524ce65cbb68dba22b53577d325dc3b0dc49049e9d2b78d87a27aac1bdcd989ad9787b73af1f60aac86e7b04e2f2b5

      Download Submit

    • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
      Filesize

      4KB

      MD5

      e48007630990e42e26b715a25660e500

      SHA1

      a987023c3667145a772270f127a3bd8a804d36a8

      SHA256

      31261747099cb59842e7171a7fe248d571a605ace427190e8e20b1ea19745ae0

      SHA512

      694639ad8a5a402a159d8f37e49c0aba678057d8120e06537c7800fb58c99d8254044cfd14a8bc9653e83455e813830898825742d85fd36013a3ab9646c77248

      Download Submit

    • C:\hA89nI93a.README.txt
      Filesize

      1KB

      MD5

      9d929639812d5118dfac981317b00e8f

      SHA1

      d7cb2fc79cd41c6bfcc967ef9db0fd435f9a0251

      SHA256

      f1accb03261d1ae9e542b57b6e9f07bf0c0c18c12c8f59f8cb3961823420d039

      SHA512

      971b2ec4271b2b8ef8fc6e61a09174f183e93de50b7ee374afa76cfbaee51b3f3faa481c539106e3fcc243c27ade39ea163798e35692971ba2ecb928d7997171

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-940901362-3608833189-1915618603-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      eb55eebd167cbfd37c23c6c710dccbe9

      SHA1

      ece66eeb5ed66cc0d8a7f6387a2991f62f0bad01

      SHA256

      04d65550e46a6a92b1d7c43570b90ea287c8727e103303864333e345e9fbe947

      SHA512

      59a008913e855bb7dc2899578c136762eb959f6e432febe8a2e73e628f0f8617bfd2268d1fbe0d9ed40a73e3c3c14873e2bea9a8d9a6a83f9f6c37d7d483adfe

      Download Submit

    • memory/2024-1-0x0000000002D50000-0x0000000002D60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2024-2983-0x0000000002D50000-0x0000000002D60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2024-2984-0x0000000002D50000-0x0000000002D60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2024-2985-0x0000000002D50000-0x0000000002D60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2024-0-0x0000000002D50000-0x0000000002D60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2024-2-0x0000000002D50000-0x0000000002D60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2168-2996-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2168-3002-0x00007FF8BB7C0000-0x00007FF8BB7D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2168-3003-0x00007FF8BB7C0000-0x00007FF8BB7D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2168-3001-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2168-2997-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2168-3000-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2168-2998-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2168-3073-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2168-3074-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2168-3075-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2168-3076-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

      Filesize

      64KB

      Download