Analysis

  • max time kernel
    133s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/01/2025, 01:00

General

  • Target
    db69f19879e131fd35e882606148335c6dcb26cbea650d394ba519d76c57bb85.exe
  • Size 6KB
  • Sample250104-bct8xaspay
  • SHA256 db69f19879e131fd35e882606148335c6dcb26cbea650d394ba519d76c57bb85
  • 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
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Drops startup file 9 IoCs
  • Executes dropped EXE 9 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • 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 data under HKEY_USERS 25 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db69f19879e131fd35e882606148335c6dcb26cbea650d394ba519d76c57bb85.exe
    "C:\Users\Admin\AppData\Local\Temp\db69f19879e131fd35e882606148335c6dcb26cbea650d394ba519d76c57bb85.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Program Files (x86)\1.exe
      "C:\Program Files (x86)\1.exe" 0
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2872
      • C:\Users\Admin\AppData\Local\Temp\._cache_1.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_1.exe" 0
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4072
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:728
        • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4348
    • C:\Program Files (x86)\2.exe
      "C:\Program Files (x86)\2.exe" 0
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Users\Admin\AppData\Local\Temp\._cache_2.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_2.exe" 0
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3676
    • C:\Program Files (x86)\3.exe
      "C:\Program Files (x86)\3.exe" 0
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4588
    • C:\Program Files (x86)\4.exe
      "C:\Program Files (x86)\4.exe" 0
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3368
    • C:\Windows\wic.exe
      "C:\Windows\wic.exe" 0
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3520
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c "shutdown /r /t 0"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:544
        • C:\Windows\SysWOW64\shutdown.exe
          shutdown /r /t 0
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4472
  • 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:5108
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa39b5055 /state1:0x41c64e6d
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:628

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        1.exe

        • Path C:\Program Files (x86)\1.exe
        • Size 811KB
        • SHA256 e261d309f30de33a1ba0aa43604db15f3326c6c8c5b291bdd52f18ea361fe3dd
        • MD5 SHA1 SHA512 SSDEEP

        2.exe

        • Path C:\Program Files (x86)\2.exe
        • Size 4.4MB
        • SHA256 fcd8d4592cf92fb9f9235a2774cdc8aff4265d4015269fb7aa995182f8ce26e1
        • MD5 SHA1 SHA512 SSDEEP

        3.exe

        • Path C:\Program Files (x86)\3.exe
        • Size 9KB
        • SHA256 0ac1125284e2600d3714c0226f800f4d8d9aa291fa299bb1d33b7d8984b5e1c0
        • MD5 SHA1 SHA512 SSDEEP

        4.exe

        • Path C:\Program Files (x86)\4.exe
        • Size 338KB
        • SHA256 a176e32335d81e69906f1c062e62247e97b8863f2c6148a36713e5bed5d16195
        • MD5 SHA1 SHA512 SSDEEP

        LockScreen___1280_0720_notdimmed.jpg

        • Path C:\ProgramData\Microsoft\Windows\SystemData\S-1-5-21-4089630652-1596403869-279772308-1000\ReadOnly\LockScreen_O\LockScreen___1280_0720_notdimmed.jpg
        • Size 367KB
        • SHA256 b5564418cf817d01ef6f9eee241e97eed6ac790cc3e76bd96305c25ecfc8cab6
        • MD5 SHA1 SHA512 SSDEEP

        ._cache_1.exe

        • Path C:\Users\Admin\AppData\Local\Temp\._cache_1.exe
        • Size 58KB
        • SHA256 5cbe5888cd034b95b14f4ad7c63f84f9c9bc605558c5cc484e26c13f1978399e
        • MD5 SHA1 SHA512 SSDEEP

        ._cache_2.exe

        • Path C:\Users\Admin\AppData\Local\Temp\._cache_2.exe
        • Size 3.7MB
        • SHA256 f78dcb1b389c99240befde490f8c74d9c9487f54e1f523397aa056072003a4c2
        • MD5 SHA1 SHA512 SSDEEP

        09D75E00

        • Path C:\Users\Admin\AppData\Local\Temp\09D75E00
        • Size 23KB
        • SHA256 dd8481fc4fe88a612e0a68a004aebd8698e8b857337709b8fe49ac2d18ea8c5a
        • MD5 SHA1 SHA512 SSDEEP

        ZPNzJudw.xlsm

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

        wic.exe

        • Path C:\Windows\wic.exe
        • Size 3.3MB
        • SHA256 4d74eb72321c5137ed364541deef19ddc30593fff62abab2a3d17a0bad7bd5c6
        • MD5 SHA1 SHA512 SSDEEP

        memory/728-344-0x0000000000400000-0x00000000004D1000-memory.dmp

        memory/1176-246-0x0000000000400000-0x0000000000874000-memory.dmp

        memory/1868-325-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/1868-0-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/2872-119-0x0000000000400000-0x00000000004D1000-memory.dmp

        memory/2872-17-0x00000000006E0000-0x00000000006E1000-memory.dmp

        memory/4072-54-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/4072-343-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/4348-342-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/4348-153-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/4588-235-0x0000000000400000-0x000000000040C000-memory.dmp

        memory/4588-339-0x0000000000400000-0x000000000040C000-memory.dmp

        memory/5108-224-0x00007FFB37A90000-0x00007FFB37AA0000-memory.dmp

        memory/5108-175-0x00007FFB37A90000-0x00007FFB37AA0000-memory.dmp

        memory/5108-165-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp

        memory/5108-166-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp

        memory/5108-168-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp

        memory/5108-169-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp

        memory/5108-167-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp