Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 01:45

General

  • Target

    2024-12-12_543b24178d7aa05e2eeef7ad056d8311_darkside.exe

  • Size

    148KB

  • MD5

    543b24178d7aa05e2eeef7ad056d8311

  • SHA1

    bb74278fce64674315889c09bfbf52c74185ae4b

  • SHA256

    7076b6c554055cb2061d240b670ac904ed5593892a7b99ac39a1b0bd5882e4aa

  • SHA512

    4c96d67e48ce55a45ad36e859e14b35ad49e5488a59a6f86e8ce6611aaae8c64eb19a2e350ccdeade11fb3352dcee55201ca8e27d12665f2dd1ae341534ca46c

  • SSDEEP

    3072:f6glyuxE4GsUPnliByocWepFWGvh+gZqVoq:f6gDBGpvEByocWeNvh+Ro

Malware Config

Extracted

Path

C:\AP8hWv7RB.README.txt

Ransom Note
Ni hao! Your data are stolen and encrypted. In case of nonpayment - all information will be sold or made publicly accessible, and we will also continue to attack your servers. Compared to other ransomware we charge a lot less, so don't be stingy!:-) If you pay - we will provide you with decryption software and remove your data from our servers. We will also let you know about the vulnerability in your servers that we used to infiltrate your network. WARNING! Do not delete or modify any files, it can lead to recovery problems! You can contact us using Session messenger without registration and sms https://getsession.org/download My Session ID: 05839c6cce78c3f3043e7a65c27e881cbb9efbda3bab942d273a496876340b254f You also can contact us using Tox messenger without registration and SMS https://tox.chat/download.html My Tox ID: BF2FBB22C4CFD24EF9AFE2CAB694D8C1E3E2340393E846514659C59D8C52F43CBD76209603AE You can send us any 1 file for free decryption. Good luck! 您好! 您的数据已被窃取并加密。 如果不付款,所有信息将被出售或公开,我们将继续攻击您的服务器。 与其他勒索软件相比,我们的收费要低得多,所以不要小气! 如果您付款,我们将为您提供解密软件,并从我们的服务器上删除您的数据。 我们还会让你知道我们利用你服务器上的漏洞来渗透你的网络。 警告:请勿删除或修改任何文件,否则可能导致恢复问题! 您可以使用无需注册的会话信使和短信 https://getsession.org/download 与我们联系。 我的会话 ID: 05839c6cce78c3f3043e7a65c27e881cbb9efbda3bab942d273a496876340b254f 您也可以使用 Tox 使者(无需注册)和 SMS https://tox.chat/download.html 与我们联系。 我的 ID: BF2FBB22C4C4CFD24EF9AF9AFE2CAB694D8C1E3E2340393E846514659C59C59D8C52F43CBD76209603AE 您可以将任意 1 个文件发送给我们进行免费转录。 祝您好运
URLs

https://getsession.org/download

https://tox.chat/download.html

Signatures

  • Renames multiple (8019) 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 5 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.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Drops file in Program Files directory 64 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 64 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\2024-12-12_543b24178d7aa05e2eeef7ad056d8311_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-12_543b24178d7aa05e2eeef7ad056d8311_darkside.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\ProgramData\5909.tmp
      "C:\ProgramData\5909.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:2612
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\5909.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2148
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:1956

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-312935884-697965778-3955649944-1000\desktop.ini

      Filesize

      129B

      MD5

      a02f3948e97fad2bb009a373f980c787

      SHA1

      ea6463a5d33dc521c576dd1cd7b20c45b3e2ad09

      SHA256

      b9a878e51bddcc27f02555426efe7bdd2cafd81a701c17ecc6d8d491dbd9e9bd

      SHA512

      245f3b6eefc0879857f9a84e8d72699401b8dcf866eb30ddcec2df332d66b78cc86fe6605e2ccb629b91bbc9ea9ea89f0cba2c2c5877bd9f5455eef1268eaac5

    • C:\AP8hWv7RB.README.txt

      Filesize

      2KB

      MD5

      d16734b43544f0e05d570563c001e4eb

      SHA1

      73cef7171e473b7ebbec10511baa694ba51d38ae

      SHA256

      a0514422de97e9ebcd6f4fd7e1de1e978a67abe298aa7be582f653fedd4bceff

      SHA512

      f321cb9b4a6df1e3dd3ff1163ac447e87543d2ed77079d07a45a11069b95d98ef4448a1d5f5a971f8ca69ddede80eff17d0ccf3784438a6ccd9e638659d66004

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

      Filesize

      148KB

      MD5

      0fd0a9e2f8baf2c2b657694d1b7b613a

      SHA1

      663ca4721fe7097527b23837070a0f05cf87c90f

      SHA256

      6e8fbdbccdcb076702eb87edfb8275a298e1889c03c63e09d0f96dca90062326

      SHA512

      bac8dc9ae95cc60103c3e2eda65745f174d5b84b7c0dabefbb235d4ce0697ee5d425d946ec9817eaa48df5403b1d2e90f5b2c806af6e50c1723654c923bcef78

    • F:\$RECYCLE.BIN\S-1-5-21-312935884-697965778-3955649944-1000\PPPPPPPPPPP

      Filesize

      129B

      MD5

      1d466e1e205bf3a392213a3e07bf7518

      SHA1

      312a0e585d7e491bcd0a4bb76851eb94ba4e1a30

      SHA256

      8c1691ecda4bc3bf74d8c8b368d07a0c8d303e4ba6666e817e54348d42e14f47

      SHA512

      ed6db90f202494d9e248558695e04d76459e840e1c07922a507395ab1759629c344cdff8b943e04c27789757d8333b58c07a53cafc898925908d852f74b6225e

    • \Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE

      Filesize

      4.7MB

      MD5

      61bffb5f57ad12f83ab64b7181829b34

      SHA1

      945d94fef51e0db76c2fd95ee22ed2767be0fe0b

      SHA256

      1dd0dd35e4158f95765ee6639f217df03a0a19e624e020dba609268c08a13846

      SHA512

      e569639d3bb81a7b3bd46484ff4b8065d7fd15df416602d825443b2b17d8c0c59500fb6516118e7a65ea9fdd9e4be238f0319577fa44c114eaca18b0334ba521

    • \ProgramData\5909.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

    • memory/2456-0-0x0000000000A30000-0x0000000000A70000-memory.dmp

      Filesize

      256KB

    • memory/2612-11975-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

    • memory/2612-11979-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

    • memory/2612-11978-0x00000000004D0000-0x0000000000510000-memory.dmp

      Filesize

      256KB

    • memory/2612-11977-0x00000000004D0000-0x0000000000510000-memory.dmp

      Filesize

      256KB

    • memory/2612-11980-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

    • memory/2612-12010-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

    • memory/2612-12009-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB