Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2024 12:32

General

  • Target

    2024-12-27_d0729e9b53b9ae6898be31d4c82fcedd_darkside.exe

  • Size

    147KB

  • MD5

    d0729e9b53b9ae6898be31d4c82fcedd

  • SHA1

    4cc9743bb3a016eb97d5e12807a52789b13584a2

  • SHA256

    74b812ac49287fd6161fdad78223821f7005501fec4644eaa1dd89b6e40c2f34

  • SHA512

    21e945d238f1e00b7becbccbc1666d1e67f842ef485a5980e7da1975d2c6ccbe99af28d4a9cce36c32511ecf388456d2ead1355ed8c5c123b04b10e369bcf555

  • SSDEEP

    3072:y6glyuxE4GsUPnliByocWep0d0EVvOkEig5ErIiRq:y6gDBGpvEByocWe6ay8icEd

Malware Config

Extracted

Path

C:\gfDvEmfFb.README.txt

Ransom Note
YOUR FILES ARE ENCRYPTED Your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique decryptor. Only we can give you this decryptor and only we can recover your files. To be sure we have the decryptor and it works you can send an email: [email protected] and decrypt one file for free. But this file should be of not valuable! Your personal DECRYPTION ID: B5FEFD6406D1719DA3047E5337E0D34C Do you really want to restore your files? Write to email: [email protected] Reserved email: [email protected] telegram: @somran2024 Attention! * Do not rename or edit encrypted files and archives containing encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam. * We have been in your network for a long time. We know everything about your company most of your information has already been downloaded to our server. We recommend you to do not waste your time if you dont wont we start 2nd part. * You have 24 hours to contact us. * Otherwise, your data will be sold or made public.

Signatures

  • Renames multiple (639) 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-27_d0729e9b53b9ae6898be31d4c82fcedd_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-27_d0729e9b53b9ae6898be31d4c82fcedd_darkside.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\ProgramData\D60D.tmp
      "C:\ProgramData\D60D.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:1596
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D60D.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-2045521122-590294423-3465680274-1000\CCCCCCCCCCC

    Filesize

    129B

    MD5

    9931f38ba88f69f61b4f612a3fc35094

    SHA1

    a11dd630c4fee7aa12d45885bce257696222c07c

    SHA256

    1b36abc3dec08fb19d6caec0610c791e7e8aa9b7f11138d346e62faa8977e3b3

    SHA512

    d3958cb44cf9bd480c39aaaaeeac31e9e581699e7a013fc54c906c78a3db3dd67cc33fd6610456d11bb32dd5fb0be75146ca1ff493495a87ae911bd3ffea1843

  • C:\ProgramData\D60D.tmp

    Filesize

    14KB

    MD5

    294e9f64cb1642dd89229fff0592856b

    SHA1

    97b148c27f3da29ba7b18d6aee8a0db9102f47c9

    SHA256

    917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

    SHA512

    b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

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

    Filesize

    147KB

    MD5

    ab162f2bb78f2b53e83db00543af2fd3

    SHA1

    67b9415c19ccbe21068155b141e416af5a3a2924

    SHA256

    9b2d120bb3a6a5b873b26f1d0212100ffddec729df8305564451173f2dc64d16

    SHA512

    f3abf241370f69f33519074bb8ddff3946f0ec9bd45a60b1f073a3dcd295cd30e458437eb95cd2abc48bea75ea937df46512d4e50d4290d6014846547f8f64dc

  • C:\gfDvEmfFb.README.txt

    Filesize

    1KB

    MD5

    a9a68a2d2bc95b4a1c77415a87ca468c

    SHA1

    54c1bb34c5dc56d7e3ea28345124af3c6f5e5356

    SHA256

    e08dc6ab1246a1042603a2031a25493a68f6778ae878f01588ced4ff24734212

    SHA512

    f0a02a39e9d9f65edf72f442d45d12deaa15dd7e2b2b6c2df034b85ecf5b6886da997f72bcacba1569afcbfe6c789fa6a70a156d74c0830409a2fc9c04ee1bc5

  • F:\$RECYCLE.BIN\S-1-5-21-2045521122-590294423-3465680274-1000\DDDDDDDDDDD

    Filesize

    129B

    MD5

    74958bf631c00f252798ae64f0f280c8

    SHA1

    e177267a9e3e7e1d420c28fb45f85599111fbaa3

    SHA256

    69df31152c8f589c0fbff7fc0ab45b18952328090452bd1004fce2e912d6a67b

    SHA512

    6e416a90d6cca2c3d717538252c8fd2b8c5c5ca62df760f1707198e417b2f54667ca3abfee5052b216e2f75df52030c0659f45fb4b20bafef66126374c3a33c0

  • memory/1596-2980-0x000000007FE40000-0x000000007FE41000-memory.dmp

    Filesize

    4KB

  • memory/1596-2983-0x000000007FDC0000-0x000000007FDC1000-memory.dmp

    Filesize

    4KB

  • memory/1596-2981-0x0000000002670000-0x0000000002680000-memory.dmp

    Filesize

    64KB

  • memory/1596-2982-0x000000007FE20000-0x000000007FE21000-memory.dmp

    Filesize

    4KB

  • memory/1596-3012-0x000000007FDE0000-0x000000007FDE1000-memory.dmp

    Filesize

    4KB

  • memory/1596-3013-0x000000007FE00000-0x000000007FE01000-memory.dmp

    Filesize

    4KB

  • memory/1952-0-0x0000000000F80000-0x0000000000F90000-memory.dmp

    Filesize

    64KB

  • memory/1952-2973-0x0000000000F80000-0x0000000000F90000-memory.dmp

    Filesize

    64KB

  • memory/1952-2974-0x0000000000F80000-0x0000000000F90000-memory.dmp

    Filesize

    64KB

  • memory/1952-2-0x0000000000F80000-0x0000000000F90000-memory.dmp

    Filesize

    64KB

  • memory/1952-2979-0x0000000000F80000-0x0000000000F90000-memory.dmp

    Filesize

    64KB

  • memory/1952-1-0x0000000000F80000-0x0000000000F90000-memory.dmp

    Filesize

    64KB