Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-03-2024 04:14

General

  • Target

    77a9d533452247d58d64c05f469703fac3f3fe69294fd51f86b24cb7b2d4a710.exe

  • Size

    151KB

  • MD5

    033b58faabb72627b43d7048448e635a

  • SHA1

    f29a804d3d98681e556f95351b0ed9c74770e903

  • SHA256

    77a9d533452247d58d64c05f469703fac3f3fe69294fd51f86b24cb7b2d4a710

  • SHA512

    bbee4304bea99f4df82339beff68999f6d544fe021876e6dd2572c3ac4184f3ecddc061e442c20b9a3a4b8b439afcd62f9ebfa6018d7c0b6f51da18658b2f92b

  • SSDEEP

    3072:rqJogYkcSNm9V7DOYvvNzONDmi3iluo9dhg+rxaeP8MT:rq2kc4m9tDptOckiYo9d6mYek

Malware Config

Extracted

Path

C:\cfNIlfFVm.README.txt

Ransom Note
~~~New LockBitBlack 4.0 the world's fastest ransomware since 2022~~~ >>>> Your data are stolen and encrypted You need to pay 250 BTC to this address = 3GPDWEAGj5dYmbfr4zuncDcibkBJ3LHLRS The data will be published on TOR website if you do not pay the ransom >>>> 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. Life is too short to be sad. Be not sad, money, it is only paper. 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 need contact us and decrypt one file for free on these TOR sites with your personal DECRYPTION ID Download and install TOR Browser https://www.torproject.org/ Write to a chat and wait for the answer, we will always answer you. Sometimes you will need to wait for our answer because we attack many companies. Links for Tor Browser: http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion If you do not get an answer in the chat room for a long time, the site does not work and in any other emergency, you can contact us in jabber or tox. Tox ID LockBitBlack 4.0 : BF395E7EC83012FD8FD175223FE9A632CB5F30599C97868D582399BFC38F57093C76DC8A0C58 Mail ID : [email protected] >>>> Your personal DECRYPTION ID: >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems! >>>> Warning! If you do not pay the ransom we will attack your company repeatedly again! >>>> Advertisement Would you like to earn millions of dollars $$$ ? Our company acquire access to networks of various companies, as well as insider information that can help you steal the most valuable data of any company. You can provide us accounting data for the access to any company, for example, login and password to RDP, VPN, corporate email, etc. Open our letter at your email. Launch the provided virus on any computer in your company. You can do it both using your work computer or the computer of any other employee in order to divert suspicion of being in collusion with us. Companies pay us the foreclosure for the decryption of files and prevention of data leak. 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, write in mail or tox. Tox ID LockBit3.0 : BF395E7EC83012FD8FD175223FE9A632CB5F30599C97868D582399BFC38F57093C76DC8A0C58 Mail ID : [email protected] Links for Tor Browser: http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion Links for the normal browser http://lockbitapt.uz http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion.ly http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion.ly http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion.ly http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion.ly http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion.ly http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion.ly http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion.ly http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion.ly http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion.ly
Wallets

3GPDWEAGj5dYmbfr4zuncDcibkBJ3LHLRS

URLs

http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion

http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion

http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion

https://tox.chat/download.html

http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion

http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion

http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion

http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion

http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion

http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion

http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion

http://lockbitapt.uz

http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion.ly

http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion.ly

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion.ly

http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion.ly

http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion.ly

http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion.ly

Signatures

  • Renames multiple (304) files with added filename extension

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

  • 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.

  • Drops desktop.ini file(s) 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Modifies Control Panel 2 IoCs
  • 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\77a9d533452247d58d64c05f469703fac3f3fe69294fd51f86b24cb7b2d4a710.exe
    "C:\Users\Admin\AppData\Local\Temp\77a9d533452247d58d64c05f469703fac3f3fe69294fd51f86b24cb7b2d4a710.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\ProgramData\29EE.tmp
      "C:\ProgramData\29EE.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\29EE.tmp >> NUL
        3⤵
          PID:2424
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x14c
      1⤵
        PID:1876

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\$Recycle.Bin\S-1-5-21-3452737119-3959686427-228443150-1000\FFFFFFFFFFF

        Filesize

        129B

        MD5

        b020e3cd06e05148a319c1ddd6132e74

        SHA1

        a6957524785d1bfa93b5253cffe4a26ce20a833d

        SHA256

        668da8e2e05f0ae7c27bd9ad7c1c9dc31cc224b8e7a61f5680056e006ef00529

        SHA512

        14f72424adb306a30f0fd933fe0f885feb772d2a16820d63df2cc049ed03c42dee50622e628539f1a59ada4b8b18458c5efcb177ca69082e8a064a1b1d7596e7

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

        Filesize

        151KB

        MD5

        a701fd2ca0d09ceea81ebc69442c734e

        SHA1

        f76e43f8b0eb95dd1430ee98e0f6afe3ce7f3da3

        SHA256

        4ce9b353cf41b5472ff2965bbde3393f9fdd0a6adcf88a6ab45902fce26c7695

        SHA512

        640c804f2d52b859c6c1255a766286c36639364345f095ad85f5f647f07f3e2cdf248811ebcb6b2f950803933918a469f2d0a7a3a73ab6b534000f1c2d75450e

      • C:\cfNIlfFVm.README.txt

        Filesize

        4KB

        MD5

        6fddbb67449386a250339c4149205c15

        SHA1

        3a26c951d7674776d27a80ee60fa531728961889

        SHA256

        42eb2e6b157ea363039e1678a18fa8c546163bdd2dad6cd3a060f1970670c0c6

        SHA512

        671749adc6d245d369fc67aa843a9e7edf07336a395c7703abdd082973234e131134fee65a8ce9ac9fe5d379e9c57271f59a93942d96b4200bc561a75e8d6ff7

      • F:\$RECYCLE.BIN\S-1-5-21-3452737119-3959686427-228443150-1000\DDDDDDDDDDD

        Filesize

        129B

        MD5

        ba9ac26bb0304d1ed3f4b23691b6fb3e

        SHA1

        e1bf42f90a6143801b0a0e6dd54e314d575f97c7

        SHA256

        34bf1b9f4086a270cb65407ede6f26ac17719faf9bd3c69c3a18747b4a915b47

        SHA512

        d29935ab724ae0654dbc664c94337bf0a42071098d5b6a4d10937e32fb33f2dfc53325d631afee889353cf53139ce6355cd5970d4dba28662d3a4d10d67a1509

      • \ProgramData\29EE.tmp

        Filesize

        14KB

        MD5

        294e9f64cb1642dd89229fff0592856b

        SHA1

        97b148c27f3da29ba7b18d6aee8a0db9102f47c9

        SHA256

        917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

        SHA512

        b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      • memory/1464-822-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

        Filesize

        4KB

      • memory/1464-823-0x00000000002E0000-0x0000000000320000-memory.dmp

        Filesize

        256KB

      • memory/1464-829-0x000000007EF80000-0x000000007EF81000-memory.dmp

        Filesize

        4KB

      • memory/1464-830-0x000000007EF20000-0x000000007EF21000-memory.dmp

        Filesize

        4KB

      • memory/1464-855-0x000000007EF60000-0x000000007EF61000-memory.dmp

        Filesize

        4KB

      • memory/1464-854-0x000000007EF40000-0x000000007EF41000-memory.dmp

        Filesize

        4KB

      • memory/2384-0-0x00000000023C0000-0x0000000002400000-memory.dmp

        Filesize

        256KB