Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2024, 10:31

General

  • Target
    valyzt.msi
  • Size 1.7MB
  • Sample241230-mkdrnsvkdr
  • SHA256 e86d059bd44bc6e4252972320cb811497ea87f3b0ef10eed5edfcd7acf44a3d8
  • MD5 SHA1 SHA512 SSDEEP

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

Signatures

  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 16 IoCs

    AutoIT scripts compiled to PE executables.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in System32 directory 5 IoCs
  • UPX packed file 19 IoCs

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

  • Drops file in Windows directory 8 IoCs
  • Executes dropped EXE 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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 registry class 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\valyzt.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2520
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:720
    • C:\Windows\Installer\MSI9C22.tmp
      "C:\Windows\Installer\MSI9C22.tmp"
      2⤵
      • Adds Run key to start application
      • Checks computer location settings
      • Drops file in System32 directory
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:768
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Checks computer location settings
        • Drops file in System32 directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:3912
        • C:\Windows\SysWOW64\._cache_Synaptics.exe
          "C:\Windows\system32\._cache_Synaptics.exe" InjUpdate
          4⤵
          • Drops startup file
          • Adds Run key to start application
          • Drops file in System32 directory
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of WriteProcessMemory
          PID:3276
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c schtasks /create /tn HBMQLS.exe /tr C:\Users\Admin\AppData\Roaming\Windata\EWZJGF.exe /sc minute /mo 1
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3132
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn HBMQLS.exe /tr C:\Users\Admin\AppData\Roaming\Windata\EWZJGF.exe /sc minute /mo 1
              6⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:2560
          • C:\Windows\SysWOW64\WSCript.exe
            WSCript C:\Users\Admin\AppData\Local\Temp\HBMQLS.vbs
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2300
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4644
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1536
  • C:\Users\Admin\AppData\Roaming\Windata\EWZJGF.exe
    C:\Users\Admin\AppData\Roaming\Windata\EWZJGF.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4980
  • C:\Users\Admin\AppData\Roaming\Windata\EWZJGF.exe
    C:\Users\Admin\AppData\Roaming\Windata\EWZJGF.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4688

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        e579aeb.rbs

        • Path C:\Config.Msi\e579aeb.rbs
        • Size 623B
        • SHA256 580e0b07818fd19cf2a94f877449e4fe6233c06b26ee808fdcf3f2e59d48d2aa
        • MD5 SHA1 SHA512

        29A75E00

        • Path C:\Users\Admin\AppData\Local\Temp\29A75E00
        • Size 26KB
        • SHA256 8c9043155df56e472823cf53548f81a0c58156893a2e3676920bf7156877b9fa
        • MD5 SHA1 SHA512 SSDEEP

        HBMQLS.vbs

        • Path C:\Users\Admin\AppData\Local\Temp\HBMQLS.vbs
        • Size 840B
        • SHA256 cbee270ed61982f063979c013888bb288d5db2720d2d69f86ee13263a26ffe36
        • MD5 SHA1 SHA512

        uzGhlCnd.xlsm

        • Path C:\Users\Admin\AppData\Local\Temp\uzGhlCnd.xlsm
        • Size 17KB
        • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
        • MD5 SHA1 SHA512 SSDEEP

        MSI9C22.tmp

        • Path C:\Windows\Installer\MSI9C22.tmp
        • Size 1.6MB
        • SHA256 c1317da0fd0dc3d73b38634ea586016f6f651f52acc576fbae8b82721c83e9ae
        • MD5 SHA1 SHA512 SSDEEP

        ._cache_Synaptics.exe

        • Path C:\Windows\SysWOW64\._cache_Synaptics.exe
        • Size 930KB
        • SHA256 1fe023f69f42fcd4be4baa180bbff00b7ffe51c553211dd0df45fb7ff71148b8
        • MD5 SHA1 SHA512 SSDEEP

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 53a29bcbf498cdb591c023c144375e5cef8a49c6800f8b6290d9e988571fd4ee
        • MD5 SHA1 SHA512 SSDEEP

        {ee2a8135-7c6b-48a5-9371-3f4184b689ba}_OnDiskSnapshotProp

        • Path \??\Volume{1541411d-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{ee2a8135-7c6b-48a5-9371-3f4184b689ba}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 167e6ce98aade47be06e7cdc804bf1c4cec791146b0f1e13753ae335c8693472
        • MD5 SHA1 SHA512 SSDEEP

        memory/768-81-0x0000000000400000-0x00000000005AB000-memory.dmp

        memory/1536-158-0x00007FFB88D40000-0x00007FFB88D50000-memory.dmp

        memory/1536-153-0x00007FFB8B370000-0x00007FFB8B380000-memory.dmp

        memory/1536-160-0x00007FFB88D40000-0x00007FFB88D50000-memory.dmp

        memory/1536-154-0x00007FFB8B370000-0x00007FFB8B380000-memory.dmp

        memory/1536-155-0x00007FFB8B370000-0x00007FFB8B380000-memory.dmp

        memory/1536-156-0x00007FFB8B370000-0x00007FFB8B380000-memory.dmp

        memory/1536-220-0x00007FFB8B370000-0x00007FFB8B380000-memory.dmp

        memory/1536-222-0x00007FFB8B370000-0x00007FFB8B380000-memory.dmp

        memory/1536-221-0x00007FFB8B370000-0x00007FFB8B380000-memory.dmp

        memory/1536-223-0x00007FFB8B370000-0x00007FFB8B380000-memory.dmp

        memory/1536-157-0x00007FFB8B370000-0x00007FFB8B380000-memory.dmp

        memory/3276-230-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-243-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-227-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-228-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-152-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-232-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-281-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-279-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-238-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-277-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-247-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-275-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-267-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-269-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3276-271-0x0000000000620000-0x0000000000820000-memory.dmp

        memory/3912-266-0x0000000000400000-0x00000000005AB000-memory.dmp

        memory/3912-226-0x0000000000400000-0x00000000005AB000-memory.dmp

        memory/4688-273-0x0000000000F50000-0x0000000001150000-memory.dmp

        memory/4980-236-0x0000000000F50000-0x0000000001150000-memory.dmp

        memory/4980-234-0x0000000000F50000-0x0000000001150000-memory.dmp