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Overview

overview

10

Static

static

10

LB3.exe

windows7-x64

10

LB3.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    03/08/2024, 20:48

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General

  • Target

    LB3.exe

  • Size

    147KB

  • MD5

    1973ccbab82020881d531ccd1f2ca48e

  • SHA1

    7e18f712e26ea32b0e8aeb4cd3c958eb8d32dfed

  • SHA256

    d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847

  • SHA512

    67654e67afe6a3e1ddf335dff4b976e254c45d8046853607cb4e98af6cd43accee8f2e35e296b932385bc9a6b7fed96ee4be6e113457eb5eb057bd8301f476f6

  • SSDEEP

    1536:PzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xD8UhzyIccE+72p2Kbm+0ep3PeAM:wqJogYkcSNm9V7D8URMcS0ep3BcTT

Score
10/10
lockbitdefense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\xcEElHqGu.README.txt

Family

lockbit

Ransom Note
~~~ LockBit 3.0 the world's fastest ransomware~~~ >>>> Your data are stolen and encrypted The data will be published on TOR website if you do not pay the ransom All of your files have been encrypted! (Warning: Attempting to remove the software will corrupt your hard drives meaning no further use even when wiped. We simply charge $25 which is far cheaper than buying a new drive.) Your computer was infected with a ransomware software. Your files have been encrypted and you won't be able to decrypt them without purchasing $25 BTC. What can I do to get my files back? You will send payment of $25 BTC to gain access to your files again, once payment is made after 3 confirmations on the blockchain (15 mins) your files will be restored and the software will un-install itself from your computer. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment will increase soon to double, be cooperative and your files will be released. Payment information Amount: 0.000385636 BTC Bitcoin Address: bc1qc76qr24pxnms9f93mytfg4dn7ztuvmje7g43dr

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit
  • Renames multiple (331) files with added filename extension

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

    ransomware
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 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
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • 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
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • 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)
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\ProgramData\C0A1.tmp
      "C:\ProgramData\C0A1.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:1368
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\C0A1.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2160
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:1668

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3434294380-2554721341-1919518612-1000\desktop.ini
      Filesize

      129B

      MD5

      e0f6a33943deb802cefc7d17307bd740

      SHA1

      c453140b3823d3f2d6acc76c72a30ed4c06f2889

      SHA256

      1dbb3352c6bafa4ced6f2ac5f01fcabb1a60a06cbba2676c2a4dcec5b5e72035

      SHA512

      1abe55cc5d20b38811b9552f29c6d6eacac7b08fcbcff7c15e80f42271523ef8b5d2d771a973ec161bcc566da54ac0f66cdb26f451601b8d72ac12ae47d3bb11

      Download Submit

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

      147KB

      MD5

      f4603ee0f6ec510f5459580941d07d41

      SHA1

      be1436a8f35002aebf6e051f6100c28009d1c81d

      SHA256

      bd37e0f5a4e3ff2c38d775f1228001c18ca947a93eb0f0bbf1fa4b7ba1a4b4c6

      SHA512

      a9761ee73bd2dc9efd538c4b2f9a775e7166ab413530cddc13862c3bbc307aa290c92817e2ebab445af3c040e65f369baac638d210095d3150c9f560453427dc

      Download Submit

    • C:\xcEElHqGu.README.txt
      Filesize

      1KB

      MD5

      7fd2336a4cae4c2f51bb0860a6748860

      SHA1

      69ef22fd3afb86945d371d4be0fe9c507880dd1b

      SHA256

      413dd9df6327c861bd0ba99a1e99b2b00b75961230d8b499c993419da1ecca29

      SHA512

      8791bd4195522517edd5a05cec17473fb01bd9865d4f4ea9966ee105fc0dc9d720c56c84af278d3bb5b31915aba678b7786e086f4890ea138f2ff47f0288c523

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-3434294380-2554721341-1919518612-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      2415fd39f4a9df14654bfec47b26790e

      SHA1

      df7b76ffbc9402dc25c635e07a6a5e199cb13ec7

      SHA256

      38bae038dcc276fb2c1376a98092749d3cd0eb1f8ea68257a819c2b1596622ec

      SHA512

      82ad1777704ee1e207496b4305663e16289f7aa36219ca24368ff79f528b1d29ed31cd097b75ba17d4eaab6dfab207836b6b2748ae91e808c2b7cb456f43f64f

      Download Submit

    • \ProgramData\C0A1.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/1368-865-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1368-868-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1368-867-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1368-866-0x0000000000290000-0x00000000002D0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/1368-898-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1368-897-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3060-0-0x00000000021E0000-0x0000000002220000-memory.dmp

      Filesize

      256KB

      Download