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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
    147s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 (616) 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 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
  • 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 11 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
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:4304
    • C:\ProgramData\B641.tmp
      "C:\ProgramData\B641.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:2220
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B641.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4836
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:2780
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2248
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{E80B744F-CA3F-4FFA-82B5-F4C2A7495B73}.xps" 133671916950430000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:3996

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-786284298-625481688-3210388970-1000\IIIIIIIIIII
      Filesize

      129B

      MD5

      49965a5ebf33c8b1dd5221fd7f32b573

      SHA1

      a2f001010a905d3df0eedba8e4a400ee2806e277

      SHA256

      7d85680762ac50abf4ad017c5924ada480260308beb1d6802be28bbdccf98361

      SHA512

      b7e529648fca8c6c375045cf4c5bdfde1447c1a921bdc0ccae35b825e3783a0a62dafc3a0a63b283a9caa73d8fa24c55c037ba71adcf53a3bbb526bcea568a78

      Download Submit

    • C:\ProgramData\B641.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      147KB

      MD5

      2f602946c8fbef6c6ce4814d2cde60ea

      SHA1

      3790f4fdae6cc37ca5a32aa47817e5a45ec19b2a

      SHA256

      5a0dc9b127e9bf30a83f68d1f9e32c1ebcd3a5746169ffc0d4a6c896f7c75678

      SHA512

      2f0da647979ae43f30632d8d62d044fd91940367a520e2aff9f64472bd0a2caf3f3b6a4d328a67427173a042c9e84b3c32c04d11a079ee7ddc4455fce2304a80

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{3A55A6BD-7D45-449B-8AF7-22C77FD137D3}
      Filesize

      4KB

      MD5

      8bdc3450880a1b29a27e6ee3102f8c88

      SHA1

      0dd3a8f4471c07f4eeffb72c3916f51096807f10

      SHA256

      42547368ea56069f665045b5345c6a56040347d10b98b2074d9b96dcbe89fafb

      SHA512

      a3dd25dd755b6e707ff47b5c8b959d187019ed6cea476df66966e2553d4478deecae28104410f3b7237f4d29fe0e0cc374f85c5a8b80963973d1024c7c61cd44

      Download Submit

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

      4KB

      MD5

      30ea6ff61365b24c5644a07e31568734

      SHA1

      9d6264dee6b92bdb5d351667fae5c2abc9f3ebbb

      SHA256

      9c21ed40518c0967b99d3bba0aee768980d116348739236ab17c97f6b541ff1e

      SHA512

      2ce63b122de61abe2fc7c278e94212fec703a181dcaa88789945fc2e9ea9eafae5e0292cde2405ea03052b64f9ed77da8f9df77572d3fb82182866937468bc93

      Download Submit

    • C:\xcEElHqGu.README.txt
      Filesize

      1KB

      MD5

      7fd2336a4cae4c2f51bb0860a6748860

      SHA1

      69ef22fd3afb86945d371d4be0fe9c507880dd1b

      SHA256

      413dd9df6327c861bd0ba99a1e99b2b00b75961230d8b499c993419da1ecca29

      SHA512

      8791bd4195522517edd5a05cec17473fb01bd9865d4f4ea9966ee105fc0dc9d720c56c84af278d3bb5b31915aba678b7786e086f4890ea138f2ff47f0288c523

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-786284298-625481688-3210388970-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      51a7d0f9c2f1cec7998fe98a2c4598d9

      SHA1

      567dfcfb0b33d3176bfadee499838d34ad467b07

      SHA256

      9614588174db6ecdce6dddb1aba9edc2ef63d5b097e3ec0c4b8912e70bbbaa9b

      SHA512

      a1bba10e6244b23df282b9faeca0e58d99066270770b8a0cefc0fb51b192f2c24655e429ef1da74c8c1044fbbba678b22130e85f4fc62da4db4eed8c32438f8a

      Download Submit

    • memory/1668-0-0x0000000002CA0000-0x0000000002CB0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1668-1-0x0000000002CA0000-0x0000000002CB0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1668-2-0x0000000002CA0000-0x0000000002CB0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3996-2879-0x00007FF7FEC50000-0x00007FF7FEC60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3996-2882-0x00007FF7FEC50000-0x00007FF7FEC60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3996-2884-0x00007FF7FEC50000-0x00007FF7FEC60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3996-2885-0x00007FF7FEC50000-0x00007FF7FEC60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3996-2881-0x00007FF7FEC50000-0x00007FF7FEC60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3996-2913-0x00007FF7FC540000-0x00007FF7FC550000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3996-2916-0x00007FF7FC540000-0x00007FF7FC550000-memory.dmp

      Filesize

      64KB

      Download