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 03:09

General

  • Target

    f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6.exe

  • Size

    2.1MB

  • MD5

    38d3095d1b748cd53c65395718d7c5f4

  • SHA1

    3c0221471b641a641a9141a731f6ee09663e6538

  • SHA256

    f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6

  • SHA512

    f0ab6ed5dfa52d8159c5090fd96087ba8e89c26c2fdb90fae3f4d19b6952250ecd49846b9198d7c77affb6fabe3a0e53758392409a73552b202591433afc03e6

  • SSDEEP

    49152:ZnsHyjtk2MYC5GDqkwkn9IMHea2A07SXq6zMaPCSO:Znsmtk2acdnV+FSvPCt

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
  • 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
  • AutoIT Executable 5 IoCs

    AutoIT scripts compiled to PE executables.

  • 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.

  • 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.

  • 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\f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6.exe
    "C:\Users\Admin\AppData\Local\Temp\f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6.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:3820
    • C:\Users\Admin\AppData\Local\Temp\._cache_f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6.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:1728
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c schtasks /create /tn BBLXFG.exe /tr C:\Users\Admin\AppData\Roaming\Windata\TXAASJ.exe /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:828
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn BBLXFG.exe /tr C:\Users\Admin\AppData\Roaming\Windata\TXAASJ.exe /sc minute /mo 1
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2224
      • C:\Windows\SysWOW64\WSCript.exe
        WSCript C:\Users\Admin\AppData\Local\Temp\BBLXFG.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2976
    • 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:760
      • 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:3692
  • 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:5040
  • C:\Users\Admin\AppData\Roaming\Windata\TXAASJ.exe
    C:\Users\Admin\AppData\Roaming\Windata\TXAASJ.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4900
  • C:\Users\Admin\AppData\Roaming\Windata\TXAASJ.exe
    C:\Users\Admin\AppData\Roaming\Windata\TXAASJ.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    2.1MB

    MD5

    38d3095d1b748cd53c65395718d7c5f4

    SHA1

    3c0221471b641a641a9141a731f6ee09663e6538

    SHA256

    f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6

    SHA512

    f0ab6ed5dfa52d8159c5090fd96087ba8e89c26c2fdb90fae3f4d19b6952250ecd49846b9198d7c77affb6fabe3a0e53758392409a73552b202591433afc03e6

  • C:\Users\Admin\AppData\Local\Temp\._cache_f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6.exe

    Filesize

    1.4MB

    MD5

    df6fa61ac1509c2d8b720690829d5634

    SHA1

    4430a5461b9c0b5fb8ad0398edad7b5e89159441

    SHA256

    90520e67bffe18505e7d77356a0adbf8ab6663862ef765387eeaf6e2ce5a32d6

    SHA512

    4f953ead572c92bde737227c1afa88bc2d274118e42c99e9245405b4748fa0f258ca8b334ecf219e5c7d2adbbf9185ca4cbbdcc5ef312c26aa7e81bd32d0610c

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

    Filesize

    964B

    MD5

    bc80130aea11ad9471ee84d7f9acb927

    SHA1

    a60a848576a7eb432a5870ee49cfae862b708c2c

    SHA256

    84fddb6a794a3f013648998d5272451608eb5298e2c91f7dd58056e2181cc025

    SHA512

    c8bf4cfe134511a88cb5cef5f6d04dc4ba953a75b9f19a94dfc444cba1c3a94a35e59dcd1c9eb6f2d1ed347b37df9147f0c374c7a4cd7d22492b8768af5514ee

  • C:\Users\Admin\AppData\Local\Temp\EA675E00

    Filesize

    22KB

    MD5

    610bfa7d8d9406b86e8d80f19e455440

    SHA1

    90207db4fe99685f0d07ce47e189b2b9b0ca9649

    SHA256

    c75eb5d56308de3881971ebcc8e741f0e5e4800901a4865fa9bf1231bd4a0bb8

    SHA512

    55b691ef05854f7d1127e9d7d5232003bdfe882e018997cbfa6b7553d94dd733274f6520a67cbdd7471163626e15911db0d29870bbfe000ec39d6ec0f0fe7a32

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/760-131-0x00000000008E0000-0x00000000008E1000-memory.dmp

    Filesize

    4KB

  • memory/760-290-0x0000000000400000-0x0000000000620000-memory.dmp

    Filesize

    2.1MB

  • memory/760-261-0x0000000000400000-0x0000000000620000-memory.dmp

    Filesize

    2.1MB

  • memory/760-262-0x00000000008E0000-0x00000000008E1000-memory.dmp

    Filesize

    4KB

  • memory/3820-128-0x0000000000400000-0x0000000000620000-memory.dmp

    Filesize

    2.1MB

  • memory/3820-0-0x0000000000910000-0x0000000000911000-memory.dmp

    Filesize

    4KB

  • memory/5040-197-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

    Filesize

    64KB

  • memory/5040-202-0x00007FF7D41A0000-0x00007FF7D41B0000-memory.dmp

    Filesize

    64KB

  • memory/5040-201-0x00007FF7D41A0000-0x00007FF7D41B0000-memory.dmp

    Filesize

    64KB

  • memory/5040-199-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

    Filesize

    64KB

  • memory/5040-258-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

    Filesize

    64KB

  • memory/5040-260-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

    Filesize

    64KB

  • memory/5040-259-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

    Filesize

    64KB

  • memory/5040-257-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

    Filesize

    64KB

  • memory/5040-200-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

    Filesize

    64KB

  • memory/5040-198-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

    Filesize

    64KB

  • memory/5040-196-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

    Filesize

    64KB