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Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2024, 02:48

General

  • Target

    b5dcbbec05c4132e2221ee1be9a68d1ef4b0772a8568eab50f52ecbccca2c30d.vbs

  • Size

    664B

  • MD5

    f86e6209572e4aa47973b354ce16342f

  • SHA1

    651a612eb8b23c243341710deafe8b8032aabf09

  • SHA256

    b5dcbbec05c4132e2221ee1be9a68d1ef4b0772a8568eab50f52ecbccca2c30d

  • SHA512

    f66d205ab4f9db97bc51aecff2e05f07701bcb5b63c15702362eb526328461306ef166c8339d571124a0a744ad9f8b24fc0f60872f8832a4ed57df92559957b7

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
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • AutoIT Executable 10 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 14 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Modifies registry class 2 IoCs
  • NTFS ADS 1 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: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\b5dcbbec05c4132e2221ee1be9a68d1ef4b0772a8568eab50f52ecbccca2c30d.vbs"
    1⤵
    • Blocklisted process makes network request
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.exe"
      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:2968
      • C:\Users\Admin\AppData\Local\Temp\._cache_update.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_update.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • NTFS ADS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of WriteProcessMemory
        PID:4212
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c schtasks /create /tn WLJOQW.exe /tr C:\Users\Admin\AppData\Roaming\Windata\DELPQB.exe /sc minute /mo 1
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2636
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn WLJOQW.exe /tr C:\Users\Admin\AppData\Roaming\Windata\DELPQB.exe /sc minute /mo 1
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:4788
        • C:\Windows\SysWOW64\WSCript.exe
          WSCript C:\Users\Admin\AppData\Local\Temp\WLJOQW.vbs
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1456
      • 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:4324
        • 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:4032
  • C:\Users\Admin\AppData\Roaming\Windata\DELPQB.exe
    C:\Users\Admin\AppData\Roaming\Windata\DELPQB.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3636
  • C:\Users\Admin\AppData\Roaming\Windata\DELPQB.exe
    C:\Users\Admin\AppData\Roaming\Windata\DELPQB.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:680
  • C:\Users\Admin\AppData\Roaming\Windata\DELPQB.exe
    C:\Users\Admin\AppData\Roaming\Windata\DELPQB.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    898KB

    MD5

    66a4951d384b55633ab61add85514f07

    SHA1

    bbf7a65a664bb2b8001576bf670a8381aad3a185

    SHA256

    6068b17cf1c362bfe7736e0b192c362735a040a68a6d41eb8ccdd8be242ca191

    SHA512

    d4dc27627baa28e79ae6dbd375a08c2afb5d47f43dd1c15e41a5033ac3c95bad018ebe5087dafad62fe2266fa7b69599ec2bed92da521208aab5011f854c7123

  • C:\Users\Admin\AppData\Local\Temp\WLJOQW.vbs

    Filesize

    848B

    MD5

    4b0af3d3c9a204e96ee0d3cb3a1ea5d4

    SHA1

    78d936c44bcd927143531fdeaf20e4716cfe094c

    SHA256

    b0611905352bca899d39f431e554333b34d027fc11adc250aa31ac698b10e3d6

    SHA512

    5441ff2d0077b727c5825945c079d58eedfb2fc684692adb0ef13dbc38e2459b9558649fcc1cae32ab8e92aadbc6a811aba516561a585a33072e9be70fd5d888

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.exe

    Filesize

    1.6MB

    MD5

    1585cb2963dceb92fbcf6c4c057e191e

    SHA1

    2063f45e9c82553bbc41cb4bc8e10b2d06d701c9

    SHA256

    67d5fc80b6bf87eb6bc3d505b0102cfdf8e8727d3da004d982467ab08ded7f0b

    SHA512

    88475b49d4299519b978711b16e0ea40579a3b671eb898d3d3f8391fbc2de55665bc0a978a20578a4c83f6bf3894a857e4013f34b0e2e4db6de404f66ef9ce47

  • memory/680-249-0x00000000001D0000-0x00000000003C0000-memory.dmp

    Filesize

    1.9MB

  • memory/2968-8-0x0000000002550000-0x0000000002551000-memory.dmp

    Filesize

    4KB

  • memory/2968-139-0x0000000000400000-0x00000000005A3000-memory.dmp

    Filesize

    1.6MB

  • memory/3636-215-0x00000000001D0000-0x00000000003C0000-memory.dmp

    Filesize

    1.9MB

  • memory/3636-213-0x00000000001D0000-0x00000000003C0000-memory.dmp

    Filesize

    1.9MB

  • memory/4032-204-0x0000000000760000-0x0000000000950000-memory.dmp

    Filesize

    1.9MB

  • memory/4032-199-0x0000000000760000-0x0000000000950000-memory.dmp

    Filesize

    1.9MB

  • memory/4072-263-0x00000000001D0000-0x00000000003C0000-memory.dmp

    Filesize

    1.9MB

  • memory/4212-207-0x0000000000BC0000-0x0000000000DB0000-memory.dmp

    Filesize

    1.9MB

  • memory/4212-208-0x0000000000BC0000-0x0000000000DB0000-memory.dmp

    Filesize

    1.9MB

  • memory/4212-258-0x0000000000BC0000-0x0000000000DB0000-memory.dmp

    Filesize

    1.9MB

  • memory/4212-218-0x0000000000BC0000-0x0000000000DB0000-memory.dmp

    Filesize

    1.9MB

  • memory/4212-244-0x0000000000BC0000-0x0000000000DB0000-memory.dmp

    Filesize

    1.9MB

  • memory/4212-78-0x0000000000BC0000-0x0000000000DB0000-memory.dmp

    Filesize

    1.9MB

  • memory/4212-252-0x0000000000BC0000-0x0000000000DB0000-memory.dmp

    Filesize

    1.9MB

  • memory/4324-209-0x0000000000400000-0x00000000005A3000-memory.dmp

    Filesize

    1.6MB

  • memory/4324-245-0x0000000000400000-0x00000000005A3000-memory.dmp

    Filesize

    1.6MB