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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/07/2024, 17:28

General

  • Target

    3c13ae9a53b29849fd3bb75d3259a23658cd687441f8bdd610487007c51d2eac.exe

  • Size

    147KB

  • MD5

    11c051782c327c662507801124f0b95b

  • SHA1

    5dd92a1ab1cfc5b73b5dcdb3edd6ea6d498339df

  • SHA256

    3c13ae9a53b29849fd3bb75d3259a23658cd687441f8bdd610487007c51d2eac

  • SHA512

    239f6eba567c59cf956e4f6c8ffe6588bb2b16ede03e939f79db69ae23631881285475f634780a40f94038035fb1329743c9b57c92a9690ec927f6d372d9ca2e

  • SSDEEP

    1536:GzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDuc1UR7zBEDZhT+IhMjo9Uyz:9qJogYkcSNm9V7DJ1URfqVXmjo9T

Malware Config

Extracted

Path

C:\Users\Admin\d093fD6aI.README.txt

Ransom Note
~~~ LockBit 5.01 the world's fastest ransomware since 2019~~~ >>>> Your data are stolen and encrypted The data will be published on TOR website if you do not pay the ransom BTC amount 0.01 = up to 12hr BTC amount 0.02 = up to 24hr BTC amount 0.1 = up 48 hr BTC amount 0 , deleted all files from you PC, and post all infirmation to public. where send BTC: bc1qm7sg7p2jkgthv7pkjy856sh9lr5x3yrpzv099d :not valid after 07/23/2024 10PM EST. Time just 12 hr, after everythink will be removed You can buy them on the exchange or at an ATM https://coinatmradar.com. You can find the addresses here buy with credit or debet card online https://www.moonpay.com/buy. You have 12 hours for the transfer, 24 hours for the amount of 0.02, and of course, you can always wait 48 hours and pay 0.1. After that, send a request with confirmation to TOX , faster way! You can contact us using Tox messenger without registration and SMS https://tox.chat/download.html. Using Tox messenger, we will never know your real name, it means your privacy is guaranteed. If you want to contact us, tox. Tox ID LockBitSupp: B90F5C1EC3C13400F6D0B22B772C5FAB086F8C41A0C87B92A8B3C7F2ECBBCE191A455140273E
URLs

https://coinatmradar.com

https://www.moonpay.com/buy

https://tox.chat/download.html

Signatures

  • Renames multiple (626) files with added filename extension

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

  • 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.

  • 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.

  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • 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.

  • 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
  • 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\3c13ae9a53b29849fd3bb75d3259a23658cd687441f8bdd610487007c51d2eac.exe
    "C:\Users\Admin\AppData\Local\Temp\3c13ae9a53b29849fd3bb75d3259a23658cd687441f8bdd610487007c51d2eac.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:4024
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:928
    • C:\ProgramData\D9B7.tmp
      "C:\ProgramData\D9B7.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:4200
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D9B7.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4372
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4716
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2960
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{36A065F9-AD2E-4B0B-8D06-011127BC45EB}.xps" 133668341193290000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:4348

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-1266786182-1874524688-71015548-1000\AAAAAAAAAAA

      Filesize

      129B

      MD5

      fd933b7a6e5abf53b2737f5e168a4365

      SHA1

      e5658873b959d88105a9b68acb10021747294e37

      SHA256

      649dcecb6e4341e31b04fdf72dff7af241b03bdb3e11f46b935c93d19577a3db

      SHA512

      30f65f1b412d729f061e7bb4e4a42a53e2eb1fc370e9c1789c0816b349321be1a97285877fa8619001c7cbd5840720fc81bb2fc1faec27ddbc67e4e45ff3e01e

    • C:\ProgramData\D9B7.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

    • C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

      Filesize

      147KB

      MD5

      30af07d7398f16ccb828eb716f719873

      SHA1

      caeff59895b6412adc8861756b534de5106de084

      SHA256

      1b90422350e1245a5bbe88abb45b7738d78313fd117c09e8c9b3c19f9c3a7011

      SHA512

      b0bf7df718d7c3365632166da5366dc290b8f9e336dd33e8bde1b10028aebe67fbfe24b0968b3b31a0e639cde064f4f0dced0e1a234b13f9ef7592bab63ae4b1

    • C:\Users\Admin\AppData\Local\Temp\{2B149946-7DB7-44C9-8F1E-44D39D29EBA0}

      Filesize

      4KB

      MD5

      a8aaa6d8d0f6213b8480733b33de19dd

      SHA1

      2fdfcebd1486cf686c232542a54fa90c1ce86098

      SHA256

      167d495f2301423bf3779bc5ff2b6626fd4e6124326faf3ad647ec618d4c0186

      SHA512

      bdff88a71a98b283d8db66d9eadebe96d76e040c0149450b51ca1104a49ee3721589b9fdff6ecf45d13ac3e537f4be78f85dfc84b4621f8bafeac9587ee9773f

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

      Filesize

      4KB

      MD5

      1388645d7df7af0836083412f782f3ac

      SHA1

      aba5004be06a9cc255368d8bde2301b783cd1655

      SHA256

      63ee0aa32e365254bdf68204035e1bd22a38213c06de3fd92044bbd400c330d0

      SHA512

      622e7029049c28d35539c93ccb3efb59f12af7a21a82441944d0c1ffad7145401bb9f425967acc5a087c77bba936190298fff8d28c02d2301ce9da130bf77eab

    • C:\Users\Admin\d093fD6aI.README.txt

      Filesize

      1KB

      MD5

      c98594c43506b3f4802ebd608ba6be0f

      SHA1

      d8e090434533229fbdcc104b6a43903bfdf8c081

      SHA256

      804575f74fe5b2f28c181f3413b23a0355693ffd9a2c1e69546bb598ce67ebae

      SHA512

      5e3767a0606dae51c49a41ddfde2dd90a17eb53c79212d46c556141bcc6c54bd1c06348a7077251ff75228a5e3604880cabb1309a68490736203e3c49f5c6cba

    • F:\$RECYCLE.BIN\S-1-5-21-1266786182-1874524688-71015548-1000\DDDDDDDDDDD

      Filesize

      129B

      MD5

      1b29b7ef82114f90709289c87c43e38c

      SHA1

      70338f047b3eabf0a819d6c4e785257c8dc7d04e

      SHA256

      2642e41fe50d7bd230c5ced1ce43a8ed945d40616232980c8c1a8bf485013f3d

      SHA512

      a70b3322a9fcc5296741d1452472c3ab7978b68666aa5fbf8b10f647efa1d1163ea91bf7600fb71d4c162907899f58ec253035ffce32ffe7634605456515f92c

    • memory/4024-0-0x00000000008C0000-0x00000000008D0000-memory.dmp

      Filesize

      64KB

    • memory/4024-2-0x00000000008C0000-0x00000000008D0000-memory.dmp

      Filesize

      64KB

    • memory/4024-1-0x00000000008C0000-0x00000000008D0000-memory.dmp

      Filesize

      64KB

    • memory/4348-2980-0x00007FFC59E30000-0x00007FFC59E40000-memory.dmp

      Filesize

      64KB

    • memory/4348-2979-0x00007FFC59E30000-0x00007FFC59E40000-memory.dmp

      Filesize

      64KB

    • memory/4348-2978-0x00007FFC59E30000-0x00007FFC59E40000-memory.dmp

      Filesize

      64KB

    • memory/4348-2977-0x00007FFC59E30000-0x00007FFC59E40000-memory.dmp

      Filesize

      64KB

    • memory/4348-2981-0x00007FFC59E30000-0x00007FFC59E40000-memory.dmp

      Filesize

      64KB

    • memory/4348-3010-0x00007FFC57710000-0x00007FFC57720000-memory.dmp

      Filesize

      64KB

    • memory/4348-3011-0x00007FFC57710000-0x00007FFC57720000-memory.dmp

      Filesize

      64KB