Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2025, 00:51

General

  • Target

    SuperBlack-0xb.exe

  • Size

    146KB

  • MD5

    c6c371198124b086a547407a7d36fcc6

  • SHA1

    1a3108ecb72ca0da0c04bd5c29caebee0ffd795d

  • SHA256

    a17f22b67ecf9312bf59c8bb77445969bd6bbe61cf2b5ba98255f6cf30130d8c

  • SHA512

    568da365e16e806593d5bb9ca335a4b1e7585148b29fe131d3fffb45275962991948de6700c28d3afb4302ebbb8570e20781933bdcfb3685cde325b64efc19d5

  • SSDEEP

    1536:szICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDzp6HbSCkHdMBfusRDARJbWUyz:DqJogYkcSNm9V7Dzx19pODObWT

Malware Config

Extracted

Path

C:\ni8pxbvnx.README.txt

Ransom Note
>>>> Your data are stolen and encrypted! >>>> Sensitive data on your system was DOWNLOADED and it will be PUBLISHED if you refuse to cooperate. Your competitors or law enforcement may get them on the web. Data includes: - Employees personal data, CVs, DL, SSN. - Complete network map including credentials for local and remote services. - Financial information including clients data, bills, budgets, annual reports, bank statements. - Complete datagrams/schemas/drawings for manufacturing in solidworks format - And more... You can request the tree of files that we have. >>>> You need contact us and decrypt one file for free, send a small file for test decryption with your personal DECRYPTION ID to tox chat: >>>> Your personal DECRYPTION ID: 6791ACA56D6F7E5478381100A9122848 1)Download and install TOX chat: https://tox.chat 2)Write to this tox id: DED25DCB2AAAF65A05BEA584A0D1BB1D55DD2D8BB4185FA39B5175C60C8DDD0C0A7F8A8EC815 and wait for the answer, we will always answer you. >>>> DO NOT MODIFY FILES YOURSELF. >>>> DO NOT USE THIRD PARTY SOFTWARE TO RESTORE YOUR DATA. >>>> YOU MAY DAMAGE YOUR FILES, IT WILL RESULT IN PERMANENT DATA LOSS. >>>> YOUR DATA IS STRONGLY ENCRYPTED, YOU CAN NOT DECRYPT IT WITHOUT CIPHER KEY.
URLs

https://tox.chat

Signatures

  • Renames multiple (623) 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 3 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\SuperBlack-0xb.exe
    "C:\Users\Admin\AppData\Local\Temp\SuperBlack-0xb.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:1104
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:5088
    • C:\ProgramData\B603.tmp
      "C:\ProgramData\B603.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:4344
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B603.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2616
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:2224
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:5152
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{3E6C8B1E-41BD-4F24-976B-7C44BA58C150}.xps" 133882014829530000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:3732

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-869607583-2483572573-2297019986-1000\MMMMMMMMMMM

      Filesize

      129B

      MD5

      fa53320ca36e0903ee3395647c156d8c

      SHA1

      4599764cffd09daa38bd086ee6992a5ad28a9d0d

      SHA256

      f8df92bf437009d98500117676ef2dfbc783c8d47ab6e00e5f51570777580287

      SHA512

      b2c995f75bbec326b50cdc57b6b2623e29e070b39774302e93f08f5bceebcbb94f2cfe84063faefa4ec1cd21f8764464350ee6a5c012131485d8453564f3ed14

    • C:\ProgramData\B603.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

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

      Filesize

      146KB

      MD5

      c9e3013252fceefff1311b4a57bd9ad4

      SHA1

      0f8699cc43be707e55bcd51eb91267e79ba80f60

      SHA256

      0b65c7b14e655acfca435aeb8f7061c12e3731ab455eecc7b512286aff381999

      SHA512

      a2504a29e7e11c2f81b86a8627e1c68cfb92e8614ab19f3b523d574fbf4cf0391e68605dfc20f517d41abd3b3330c3923747799ab300aa380524679fc56c79d8

    • C:\Users\Admin\AppData\Local\Temp\{5B53562D-84D6-4AF3-BA5B-58B891E0CE8A}

      Filesize

      4KB

      MD5

      276c9e61afaa45ec1e0c9d5b3e74b27f

      SHA1

      97092393f18e7f70b4a68747a485b8deec01d397

      SHA256

      cd4b24feb682dbd31c95801beefbd9831bbe6dca1f7b4f59fe34672bde5306e2

      SHA512

      2758926d97430fd532c80c1623ec51c55653930ead8a62ff2a3ad8b0df95ca56b1d073004897304839e1fa9169379a5bb681e486a95547b17eb9fb4c3819161a

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

      Filesize

      4KB

      MD5

      ce019fa9ba58f7cf9d8d86518a8c23d3

      SHA1

      47b3ed4f1398ccf1c54ac74b2dbf1246eb5f05a7

      SHA256

      6eef32b6c40bd52cc4009d3e45d2bd6a9e61fc719a3bbeb3f382dabec72e6bdf

      SHA512

      24e6e5fe69ff9a508f8dc3fb12a2b8df9528053f342b353b8bbbb78b3cc31b859ff68233725d49474742d26ee9606e4dc1a775d25d503b28127485f349e701db

    • C:\ni8pxbvnx.README.txt

      Filesize

      1KB

      MD5

      6c1992650b7fa3550e29aa482c070b10

      SHA1

      35899a9fd97bf051cb69fcb78fd007d4975b521e

      SHA256

      09d00102d6c2a4b6894b85297cdbd2cb7e4ce7d4d50717dd55a63c4b149d3cf4

      SHA512

      3b7faefcb5218c0c28f437cf73d830db5ad3d31990125793e2defcdcadbfafa211adde1fc84d01952fdf0cc8bb454c9a2ad5a5e9269a3d8afafc23a0d405919b

    • F:\$RECYCLE.BIN\S-1-5-21-869607583-2483572573-2297019986-1000\DDDDDDDDDDD

      Filesize

      129B

      MD5

      1a457de8043e56468c0e5130010a67db

      SHA1

      ca087692874f7ee402e2c0f3d6048e26ebf1c8f4

      SHA256

      ad18226aa697c3f1dc3a227248ec6b4c76e55f3070f40533770af2f0d2e74c49

      SHA512

      bc47a3dade93540dce5ee26cadeaf9a06cedb2296111c664cd6ea47a4ac3837953da7c62efdd9a1c7ccb881b64f98961d3cdc381d77d160bda34169d369d33cf

    • memory/1104-3155-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

      Filesize

      64KB

    • memory/1104-3154-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

      Filesize

      64KB

    • memory/1104-1-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

      Filesize

      64KB

    • memory/1104-2-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

      Filesize

      64KB

    • memory/1104-0-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

      Filesize

      64KB

    • memory/1104-3153-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

      Filesize

      64KB

    • memory/3732-3167-0x00007FFDDB630000-0x00007FFDDB640000-memory.dmp

      Filesize

      64KB

    • memory/3732-3175-0x00007FFDDB630000-0x00007FFDDB640000-memory.dmp

      Filesize

      64KB

    • memory/3732-3169-0x00007FFDDB630000-0x00007FFDDB640000-memory.dmp

      Filesize

      64KB

    • memory/3732-3204-0x00007FFDD9290000-0x00007FFDD92A0000-memory.dmp

      Filesize

      64KB

    • memory/3732-3205-0x00007FFDD9290000-0x00007FFDD92A0000-memory.dmp

      Filesize

      64KB

    • memory/3732-3172-0x00007FFDDB630000-0x00007FFDDB640000-memory.dmp

      Filesize

      64KB

    • memory/3732-3170-0x00007FFDDB630000-0x00007FFDDB640000-memory.dmp

      Filesize

      64KB