Analysis

  • max time kernel
    110s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • submitted
    06/10/2024, 05:14

General

  • Target

    863809b03627315676be588f4027d45989029eb627e7361adbada53adb44345cN.exe

  • Size

    777KB

  • MD5

    d570b2529c442ad6b2c51a727a580800

  • SHA1

    b95185702eb795a6f1e36c1ef6e6fb55ea4b2a17

  • SHA256

    863809b03627315676be588f4027d45989029eb627e7361adbada53adb44345c

  • SHA512

    954d0b529441c4654237da996a69a9e609f66a56f35bb831e356bcf1119401061d287c6e88f658668c6d7fb78db19bb7f4b267ec07231a7020d66c5dff3a5eb3

  • SSDEEP

    12288:SMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9tnIj:SnsJ39LyjbJkQFMhmC+6GD99o

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Path

C:\Users\Admin\Documents\READ_THIS.txt

Family

chaos

Ransom Note
----> Chaos is multi language ransomware. Translate your note to any language <---- All of your files have been encrypted and stolen Your computer was infected with a ransomware virus. Your files have been encrypted and stolen and you won't be able to decrypt them without our help.What can I do to get my files back?You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is $150. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.00240923 BTC Bitcoin Address: bc1q5dct32xckc9352ze647cf8lsv0vjaldp9vpvk6

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 9 IoCs
  • Chaos family
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Drops startup file 3 IoCs
  • Executes dropped EXE 4 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 34 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • 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\863809b03627315676be588f4027d45989029eb627e7361adbada53adb44345cN.exe
    "C:\Users\Admin\AppData\Local\Temp\863809b03627315676be588f4027d45989029eb627e7361adbada53adb44345cN.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Users\Admin\AppData\Local\Temp\._cache_863809b03627315676be588f4027d45989029eb627e7361adbada53adb44345cN.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_863809b03627315676be588f4027d45989029eb627e7361adbada53adb44345cN.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2572
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Drops desktop.ini file(s)
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2352
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2008
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            5⤵
            • Interacts with shadow copies
            PID:2840
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1952
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1372
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} bootstatuspolicy ignoreallfailures
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:348
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} recoveryenabled no
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1772
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2252
          • C:\Windows\system32\wbadmin.exe
            wbadmin delete catalog -quiet
            5⤵
            • Deletes backup catalog
            PID:552
        • C:\Windows\system32\NOTEPAD.EXE
          "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\READ_THIS.txt
          4⤵
          • Opens file in notepad (likely ransom note)
          PID:1252
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2496
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2876
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 2876 -s 564
          4⤵
            PID:1888
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
      1⤵
      • System Location Discovery: System Language Discovery
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2024
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2908
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1464
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:2784
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
          PID:1988

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\Synaptics\Synaptics.exe

          Filesize

          777KB

          MD5

          d570b2529c442ad6b2c51a727a580800

          SHA1

          b95185702eb795a6f1e36c1ef6e6fb55ea4b2a17

          SHA256

          863809b03627315676be588f4027d45989029eb627e7361adbada53adb44345c

          SHA512

          954d0b529441c4654237da996a69a9e609f66a56f35bb831e356bcf1119401061d287c6e88f658668c6d7fb78db19bb7f4b267ec07231a7020d66c5dff3a5eb3

        • C:\Users\Admin\AppData\Local\Temp\._cache_863809b03627315676be588f4027d45989029eb627e7361adbada53adb44345cN.exe

          Filesize

          23KB

          MD5

          a264ca73aaced0a81a0b7fa14bc201f4

          SHA1

          77a1624cbc6d2d5066f7e23b42f05fd2703fb394

          SHA256

          5404595684deb101a7d8d6a11c104dc1401151149f69cb9a60ebb223b6f7e5b2

          SHA512

          d141ce0021b3352a79eb1401401f072e25fa06773ed567b9922d99967740e07a88e5d5b1daa77a61d9f8a53b51a36441c8e3c1a00a25de203ad05d82b1929ed4

        • C:\Users\Admin\AppData\Local\Temp\ksGZdP5G.xlsm

          Filesize

          25KB

          MD5

          6bc9bb342e53e4d6542d7cebb667a424

          SHA1

          7a0f2b1c4cc6f78727e8219a10b4374baaedbfd1

          SHA256

          fc3f88112e520e4b1403696363423447be697c122c56a81b492b4ad30f0e81cb

          SHA512

          d7332ebfc6637a96c1de39952284e1372fc99715485c29091581f3af45abeef98b139b091155550a5474618901a2c9da5edd4e44d41dfd45925d3b4e4f39a2e3

        • C:\Users\Admin\AppData\Local\Temp\ksGZdP5G.xlsm

          Filesize

          17KB

          MD5

          e566fc53051035e1e6fd0ed1823de0f9

          SHA1

          00bc96c48b98676ecd67e81a6f1d7754e4156044

          SHA256

          8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

          SHA512

          a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

        • C:\Users\Admin\Documents\ApproveWait.xlsm

          Filesize

          34KB

          MD5

          b7417052f8efeedf19a7764ff9307750

          SHA1

          0d0433c249b99b1fd92ce3ee64fcbaf8999ed58c

          SHA256

          e8d6bf9e2ba440165c5767b25262c88411373e7a64cd857213d5107cc4826e25

          SHA512

          4cd3a3a4380de6b6bedd356a95501cbfcc58edbc21e73d63ba7bd7c0a98fd75f211ef17e79f884bc676de57d3e6b921e2fed122ca9b650be4a1ddbb30da674df

        • C:\Users\Admin\Documents\READ_THIS.txt

          Filesize

          985B

          MD5

          46839c94712706c9b4bea9c0b5f89693

          SHA1

          af8af5265aa72bd8c30c63d7999f7f52c738b9ff

          SHA256

          4afb727589a35a9ee9422855723f7e8a6b95a09e72d1683c57f92b3e3e0e9ca6

          SHA512

          afd0bae86ab302883f83f1ab0534fb6a49d45a155e7320958387dc5a2721f854c6cd34f546931ea3b8da932b8f8bb13e0869d42b41684671cd606fb4023db382

        • C:\Users\Admin\Documents\StartPop.xlsm

          Filesize

          34KB

          MD5

          5d1001f47aee36521771b62fabd2f45e

          SHA1

          d1b58840cdb71b4f5d3921e0a5ee09cad24d0d3e

          SHA256

          6337bd2969d0ca53dd45db70bf491fbd3b870fbd99793a0f76093c8b01299230

          SHA512

          0d2db140641945061eefac4f13752f4b2ed571132e68d8406b9434b85ca40fd77945b85ff820c78c496d482b7c2a1e12462c6f8a541d02fe0876c4ea052f4ad8

        • memory/2024-37-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/2352-70-0x0000000001330000-0x000000000133C000-memory.dmp

          Filesize

          48KB

        • memory/2388-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

          Filesize

          4KB

        • memory/2388-25-0x0000000000400000-0x00000000004C8000-memory.dmp

          Filesize

          800KB

        • memory/2496-589-0x0000000000400000-0x00000000004C8000-memory.dmp

          Filesize

          800KB

        • memory/2496-590-0x0000000000400000-0x00000000004C8000-memory.dmp

          Filesize

          800KB

        • memory/2496-624-0x0000000000400000-0x00000000004C8000-memory.dmp

          Filesize

          800KB

        • memory/2572-28-0x0000000000800000-0x000000000080C000-memory.dmp

          Filesize

          48KB

        • memory/2876-36-0x0000000000990000-0x000000000099C000-memory.dmp

          Filesize

          48KB