Overview

overview

10

Static

static

10

LB3.exe

windows7-x64

10

LB3.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    06-01-2025 12:42

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    LB3.exe

  • Size

    147KB

  • MD5

    0b6da3700a1bf266d6d2bbf27fd23165

  • SHA1

    f64c2ebf3892e2d498f23b9a7886f67ebbbb2f28

  • SHA256

    4f1c9befcc873120533559c6915aaafd34497eba94d840db4ed28ceba2ebcd49

  • SHA512

    d39d6c9fa03ea2ed2c5aebf9f8811c1b3f3fca2092a8e25d980e8c0ab624d864d841bca9673c7fa843b44204d4f7fbcf1fcfe4fe3678e66a854ddfbf67240cce

  • SSDEEP

    3072:t6glyuxE4GsUPnliByocWep4dd1fL5B594:t6gDBGpvEByocWeAfFn9

Score
10/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\MWlosDcWa.README.txt

Ransom Note
~~~ RdpLocker Recode the world's fastest ransomware~~~ >>>> Your data are stolen and encrypted >>>> Info Our encryption is undetectable and we can encrypt terabytes of data in minutes. A unique public and private key is generated exclusively for you. No one else can decrypt the files we have encrypted. Our services are cheap and reliable. >>>> What guarantees that we will not deceive you? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters, or we do not delete your data after payment, then nobody will pay us in the future. Therefore to us our reputation is very important. We attack the companies worldwide and there is no dissatisfied victim after payment. You can contact us using Tox messenger without registration and SMS to negotiate the price. https://tox.chat/download.html Using Tox messenger, we will never know your real name, it means your privacy is guaranteed. RdpLocker Tox ID: CE93C52BFAFA16570B9821C7D0EE7999C78475AD964ACEEF80767B653210D27E3CE6C88F61A5
URLs

https://tox.chat/download.html

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 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
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LB3.exe
    "C:\Users\Admin\AppData\Local\Temp\LB3.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\ProgramData\5ED3.tmp
      "C:\ProgramData\5ED3.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\5ED3.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:980
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x158
    1⤵
      PID:2724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3692679935-4019334568-335155002-1000\desktop.ini
      Filesize

      129B

      MD5

      15379732bf227f26b26274b29015277a

      SHA1

      b7e5bc371f833da07ec07cfd2b154f30ae2a411f

      SHA256

      905f1b5f38bb55e35c914df373626b7c0610ce2097175da0933ccbb0e30d2cda

      SHA512

      c74d663954893bb88261191c60e3f9cf837247373ef13d198d3ed2853fa3e2edc1d0139c95b094837e4b16dc7691e59db78896251f8e3d1fb2bf7383f9c90fba

      Download Submit

    • C:\MWlosDcWa.README.txt
      Filesize

      1KB

      MD5

      0fc102c3422c21c1aadfaa1a656dc970

      SHA1

      49cc540c7a5eaa4f12cacdb21e788335d535ccc0

      SHA256

      fe49a063ebe0b4154321062c1110876bab03710ab367d8a5e3dee6e75fc79029

      SHA512

      8cf822ec2d69b4f4bfdc3303b142ff21315d6e5483a98efa834d039f68a6f57e249d374d3c127a65f524123464532afa5700b4dd4808236b082f7a420a260ab0

      Download Submit

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

      147KB

      MD5

      4391d94e1837afda0daeac58aa2fa2f2

      SHA1

      5428eea18734e4b7c59696e60b9acf6dc68bfc00

      SHA256

      1e6f31ee5f2fc99e33267ff0497310a2ef4b643bfaff3d982c175a3f61ffd712

      SHA512

      447d9745895abbd94fe9fbdc4915c26553415a2b8c18838239294e14fe0182a920707d709a40f33a3ad7d91c32885b9809a521c681ec8d093932180b8e4769f3

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-3692679935-4019334568-335155002-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      f563009af1685781139b08aa7d98a7d6

      SHA1

      90ae18501dd86e3d31a605a54f2b4ad6305a1230

      SHA256

      5706f7ff35714c60bf5c0a3e6c8007545ea32198c88aaf6b48320198f2247564

      SHA512

      2094e39860c0971f55d1b68e6eed2a422670b1dda79369acf59aa71d5bc7a0c464704094d04e899b4739da4f1e7e2b04c7f779555e3d7a0cf95ef53fc3910844

      Download Submit

    • \ProgramData\5ED3.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/1080-864-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

      Download

    • memory/1080-865-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1080-868-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1080-866-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1080-869-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2860-0-0x0000000002260000-0x00000000022A0000-memory.dmp

      Filesize

      256KB

      Download