Overview

overview

10

Static

static

10

VKKDXE.exe

windows7-x64

10

VKKDXE.exe

windows10-2004-x64

10

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
    30-12-2024 10:28

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General

  • Target

    VKKDXE.exe

  • Size

    1.6MB

  • MD5

    31ba582dde7c48214dfc929a8c5d5662

  • SHA1

    39497422641176cb4b6f8828b43805cbd1258d53

  • SHA256

    35f873a09d5330e0c8c0e0bdabac9640e606ac7955b6e2082d9d1ca3d9880492

  • SHA512

    1357ffa717079a422ac2510f010722ec464c1f595fbba3a1df847ff3370f30d5b6adb393f846838c565de7b669c6e0968236c6ed8ce079da3281531373aa849e

  • SSDEEP

    24576:snsJ39LyjbJkQFMhmC+6GD9ChloDX0XOf4f/mlhxQfnmrAL4bHpZlF:snsHyjtk2MYC5GD4hloJfY/mlT/rLL

Score
10/10
xredbackdoordiscoverypersistenceupx

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.

    backdoorxred
  • Xred family
    xred
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 18 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 22 IoCs

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

    upx
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

    discovery
  • 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
  • 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.

    persistenceexecution
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VKKDXE.exe
    "C:\Users\Admin\AppData\Local\Temp\VKKDXE.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Users\Admin\AppData\Local\Temp\._cache_VKKDXE.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_VKKDXE.exe"
      2⤵
      • 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:2628
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c schtasks /create /tn CXNFQD.exe /tr C:\Users\Admin\AppData\Roaming\Windata\ZTCKPI.exe /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2844
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn CXNFQD.exe /tr C:\Users\Admin\AppData\Roaming\Windata\ZTCKPI.exe /sc minute /mo 1
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:740
      • C:\Windows\SysWOW64\WSCript.exe
        WSCript C:\Users\Admin\AppData\Local\Temp\CXNFQD.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3880
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:224
  • 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:1268
  • C:\Users\Admin\AppData\Roaming\Windata\ZTCKPI.exe
    C:\Users\Admin\AppData\Roaming\Windata\ZTCKPI.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1572
  • C:\Users\Admin\AppData\Roaming\Windata\ZTCKPI.exe
    C:\Users\Admin\AppData\Roaming\Windata\ZTCKPI.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:764

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe
    Filesize

    1.6MB

    MD5

    31ba582dde7c48214dfc929a8c5d5662

    SHA1

    39497422641176cb4b6f8828b43805cbd1258d53

    SHA256

    35f873a09d5330e0c8c0e0bdabac9640e606ac7955b6e2082d9d1ca3d9880492

    SHA512

    1357ffa717079a422ac2510f010722ec464c1f595fbba3a1df847ff3370f30d5b6adb393f846838c565de7b669c6e0968236c6ed8ce079da3281531373aa849e

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\._cache_VKKDXE.exe
    Filesize

    894KB

    MD5

    fe8fbb45f71518a33c161e70f6ee1037

    SHA1

    613ae22860d3e15053eea1343b6ca7cd817ee404

    SHA256

    0ee0aa62c8788b17ea2834a427c7a2e6f69b9bd9a8881a72397d35ad162fce1e

    SHA512

    1f9e0851d292fa65c60609796ec9f43e88b994e096171786805c608d924f65ca37cb655047d0717fa0d7c669e86b871fef15e68156c4e6a91bf4b3dc0dd6369b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\B3C75E00
    Filesize

    26KB

    MD5

    02316aa3280da473f0d966fb97db28fe

    SHA1

    e06d5c93292564aafb75f139b6c0d6e131a96bfd

    SHA256

    3ffd851d28930fb5b88e7a284d1ff575aebd4f6b8ece77764aad4d5674266359

    SHA512

    8632b1d688fd109fd1717782ad0a13e483ca161b6d77a3bbc326bb0e373cb713496c062995502814c3b842c70327f9b5a60aed7f1e1beef5717e1df61ff580c7

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\CXNFQD.vbs
    Filesize

    848B

    MD5

    4bbfeb98827b4a04b61e377474754224

    SHA1

    af659a2f70ec62acd94690a7bc0a8177f6e0d0f4

    SHA256

    a0839710938d4ac042eaa6d485291f05a773ac673d02fc87ec29d9549a639381

    SHA512

    d1aab3c978fdab922e36ac5b9142eb3f97f852269f9f868d1fed86129689524d6d87dea10a726bdbf30edd9ca75adab8fc5596f676540badaf4330273ab1b50f

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\ge3Tdznr.xlsm
    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    Download Submit

  • memory/224-197-0x00000000003E0000-0x00000000005CF000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/224-204-0x00000000003E0000-0x00000000005CF000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/764-308-0x0000000000DB0000-0x0000000000F9F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1268-206-0x00007FFC0A200000-0x00007FFC0A210000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1268-202-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1268-201-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1268-200-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1268-199-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1268-198-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1268-205-0x00007FFC0A200000-0x00007FFC0A210000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1572-271-0x0000000000DB0000-0x0000000000F9F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1572-269-0x0000000000DB0000-0x0000000000F9F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2388-129-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

    Download

  • memory/2388-0-0x0000000002450000-0x0000000002451000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2628-299-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-275-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-313-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-260-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-262-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-264-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-266-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-311-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-253-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-255-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-297-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-309-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-69-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-301-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-303-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2628-305-0x0000000000E80000-0x000000000106F000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/3176-130-0x0000000000760000-0x0000000000761000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3176-298-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

    Download

  • memory/3176-254-0x0000000000760000-0x0000000000761000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3176-256-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

    Download