Windows 7 deprecation

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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    03/08/2024, 13:43

General

  • Target

    2024-08-03_b4373babe6adc1f37cf4c0ea4e8c3633_darkside.exe

  • Size

    156KB

  • MD5

    b4373babe6adc1f37cf4c0ea4e8c3633

  • SHA1

    6c843ec38c70c7f58109108cab4ab998c9d039ed

  • SHA256

    df9f2257213ba558c371752312f007084ca537a693be020d01202ca995fd1ce6

  • SHA512

    438f84a8aa27720dc5732683e840b69165139d0191cfd4f46cb61a511886baa02ec5e64eb3adac8bb197232f26066f2ccbad27c2429e880942fa8287eb3615d0

  • SSDEEP

    3072:KDDDDDDDDDDDDDDDDDDDE45d/t6sVkgZqltP3368/n5BaKkP9Y20+WEJ9W:M5d/zugZqll3tBa1E/E

Malware Config

Extracted

Path

C:\Users\rf9xIIM0o.README.txt

Ransom Note
~~ LockBit 3.0 the world's fastest and most stable ransomware from 2019~~~ >>>>> Your data is stolen and encrypted. BLOG Tor Browser Links: http://lockbit3753ekiocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2id.onion/ http://lockbit3g3ohd3katajf6zaehxz4h4cnhmz5t735zpltywhwpc6oy3id.onion/ http://lockbit3olp7oetlc4tl5zydnoluphh7fvdt5oa6arcp2757r7xkutid.onion/ http://lockbit435xk3ki62yun7z5nhwz6jyjdp2c64j5vge536if2eny3gtid.onion/ http://lockbit4lahhluquhoka3t4spqym2m3dhe66d6lr337glmnlgg2nndad.onion/ http://lockbit6knrauo3qafoksvl742vieqbujxw7rd6ofzdtapjb4rrawqad.onion/ http://lockbit7ouvrsdgtojeoj5hvu6bljqtghitekwpdy3b6y62ixtsu5jqd.onion/ >>>>> What guarantee is there that we won't cheat you? We are the oldest ransomware affiliate program on the planet, nothing is more important than our reputation. We are not a politically motivated group and we want nothing more than money. If you pay, we will fulfill all the terms we agree on during the negotiation process. Treat this situation simply as a paid training session for your system administrators, because it was the misconfiguration of your corporate network that allowed us to attack you. Our pentesting services should be paid for the same way you pay your system administrators salaries. You can get more information about us on Ilon Musk's Twitter https://twitter.com/hashtag/lockbit?f=live >>>>> You need to contact us on TOR darknet sites with your personal ID Download and install Tor Browser https://www.torproject.org/ Write to the chat room and wait for an answer, we'll guarantee a response from us. If you need a unique ID for correspondence with us that no one will know about, ask it in the chat, we will generate a secret chat for you and give you his ID via private one-time memos service, no one can find out this ID but you. Sometimes you will have to wait some time for our reply, this is because we have a lot of work and we attack hundreds of companies around the world. Tor Browser personal link for CHAT available only to you (available during a ddos attack): http://lockbit7a2g6ve7etbcy6iyizjnuleffz4szgmxaawcbfauluavi5jqd.onion Tor Browser Links for CHAT (sometimes unavailable due to ddos attacks): http://lockbit5eevg7vec4vwwtzgkl4kulap6oxbic2ye4mnmlq6njnpc47qd.onion http://lockbit74beza5z3e3so7qmjnvlgoemscp7wtp33xo7xv7f7xtlqbkqd.onion http://lockbit75naln4yj44rg6ez6vjmdcrt7up4kxmmmuvilcg4ak3zihxid.onion http://lockbit7a2g6ve7etbcy6iyizjnuleffz4szgmxaawcbfauluavi5jqd.onion http://lockbitaa46gwjck2xzmi2xops6x4x3aqn6ez7yntitero2k7ae6yoyd.onion http://lockbitb42tkml3ipianjbs6e33vhcshb7oxm2stubfvdzn3y2yqgbad.onion http://lockbitcuo23q7qrymbk6dsp2sadltspjvjxgcyp4elbnbr6tcnwq7qd.onion >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >> Your personal Black ID: 3101C6171318A54916F8E37D5108BBDB << >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>> Warning! Do not delete or modify encrypted files, it will lead to problems with decryption of files! >>>>> Don't go to the police or the FBI for help and don't tell anyone that we attacked you.
URLs

http://lockbit3753ekiocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2id.onion/

http://lockbit3g3ohd3katajf6zaehxz4h4cnhmz5t735zpltywhwpc6oy3id.onion/

http://lockbit3olp7oetlc4tl5zydnoluphh7fvdt5oa6arcp2757r7xkutid.onion/

http://lockbit435xk3ki62yun7z5nhwz6jyjdp2c64j5vge536if2eny3gtid.onion/

http://lockbit4lahhluquhoka3t4spqym2m3dhe66d6lr337glmnlgg2nndad.onion/

http://lockbit6knrauo3qafoksvl742vieqbujxw7rd6ofzdtapjb4rrawqad.onion/

http://lockbit7ouvrsdgtojeoj5hvu6bljqtghitekwpdy3b6y62ixtsu5jqd.onion/

https://twitter.com/hashtag/lockbit?f=live

http://lockbit7a2g6ve7etbcy6iyizjnuleffz4szgmxaawcbfauluavi5jqd.onion

http://lockbit5eevg7vec4vwwtzgkl4kulap6oxbic2ye4mnmlq6njnpc47qd.onion

http://lockbit74beza5z3e3so7qmjnvlgoemscp7wtp33xo7xv7f7xtlqbkqd.onion

http://lockbit75naln4yj44rg6ez6vjmdcrt7up4kxmmmuvilcg4ak3zihxid.onion

http://lockbitaa46gwjck2xzmi2xops6x4x3aqn6ez7yntitero2k7ae6yoyd.onion

http://lockbitb42tkml3ipianjbs6e33vhcshb7oxm2stubfvdzn3y2yqgbad.onion

http://lockbitcuo23q7qrymbk6dsp2sadltspjvjxgcyp4elbnbr6tcnwq7qd.onion

Signatures

  • Renames multiple (162) 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
  • 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.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 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.

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-03_b4373babe6adc1f37cf4c0ea4e8c3633_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-03_b4373babe6adc1f37cf4c0ea4e8c3633_darkside.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\ProgramData\CC92.tmp
      "C:\ProgramData\CC92.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:2900
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\CC92.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1844
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2932
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x148
    1⤵
      PID:2152

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3502430532-24693940-2469786940-1000\desktop.ini

      Filesize

      129B

      MD5

      d79fe5785f716366252196109519e7bc

      SHA1

      4c7d4dcb0d44aaae346ae42b92f63024f4e8b924

      SHA256

      8a18c65f0d29ae6bea1c054df7bed340bdb8820e6d3f295e631cff14ed2a7908

      SHA512

      edddefd4c87ee6fc06657f91d45feb3bff48a02e98bc9be755965f90e7471a897d85afbf04f9ab4a0350eee8385985c6decc00269a511173ae67d3f3ad73e8a7

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

      Filesize

      156KB

      MD5

      f1c3ec5544f9df4d7b37b3f274626bb6

      SHA1

      2e148d626e64e42def977eb029153d3f3a12a2b8

      SHA256

      f4022fb13dfde94222deafbd009812ec78b4d66d34b3acc92fd443f96eac5be7

      SHA512

      bd843883e2f5df07514fad7ec5f8ef3872efeec84ec7b392883b1c1a54303893c3fb21c14842c16c03847404346fd6e2a0dae1d76d16d59e41a33ba5748d50e5

    • C:\Users\rf9xIIM0o.README.txt

      Filesize

      3KB

      MD5

      14d9a9c0300f37b275c91f375a1656ac

      SHA1

      5c8aa66b92e3c65cb41c88668b1ffac914149688

      SHA256

      e51cbd3d4bd4dd011e6e9463a3ec26f1697925eae0fd11afd3d5f0487721ffd9

      SHA512

      e516f6bcee2c66ddfd48a639cf248efa4ab3ef73db8f8e6758563bd9f399e710bb055893de643b7c4dd5c98923ef485d81eb3b454860fabd33c8eb2725406de3

    • F:\$RECYCLE.BIN\S-1-5-21-3502430532-24693940-2469786940-1000\DDDDDDDDDDD

      Filesize

      129B

      MD5

      1176e45536a2ed51eb36347310378ac7

      SHA1

      8ed5c5b337201aa4a4d28fb84672718c0129b140

      SHA256

      e2d2c28a447f987c95f1b9310aa80e0a0f6a2bffb9cd30786f25c6683fd2df73

      SHA512

      9c85826c07eee67632ae6e99c4f6e12ecc3831020f5b8666f28923bcbdcf1532d565ae82dee985d91a9ccb4315567d0a7d3a12d951e43c67d3b00b57fd2cc1f4

    • \ProgramData\CC92.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

    • memory/2016-0-0x0000000000E90000-0x0000000000ED0000-memory.dmp

      Filesize

      256KB

    • memory/2900-294-0x0000000002290000-0x00000000022D0000-memory.dmp

      Filesize

      256KB

    • memory/2900-296-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

    • memory/2900-295-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

    • memory/2900-293-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

    • memory/2900-327-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

    • memory/2900-328-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB