Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 19:04

General

  • Target

    Monoxidex86.harmless.exe

  • Size

    884KB

  • MD5

    189957c510f529fc2021b84ae99f5757

  • SHA1

    29f73b40e866f0ddea48e2744a0f9287c30fce02

  • SHA256

    753a3eecee5ee27eaf31051bfae24f8c16c91ac83ae128190ef2e13cf2d69c01

  • SHA512

    8a328298834bd6dce71c76baf77f6e2660ebb8038a930982e46d84e86b2078981ad095d44644c38650fdc2a29e18fa8ebc12da703a52314f7ad7030df6168fcb

  • SSDEEP

    12288:8MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9op2BKwORo/Ej:8nsJ39LyjbJkQFMhmC+6GD9C2BKwcoc

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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Monoxidex86.harmless.exe
    "C:\Users\Admin\AppData\Local\Temp\Monoxidex86.harmless.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Users\Admin\AppData\Local\Temp\._cache_Monoxidex86.harmless.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Monoxidex86.harmless.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2888
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        PID:2880
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    884KB

    MD5

    189957c510f529fc2021b84ae99f5757

    SHA1

    29f73b40e866f0ddea48e2744a0f9287c30fce02

    SHA256

    753a3eecee5ee27eaf31051bfae24f8c16c91ac83ae128190ef2e13cf2d69c01

    SHA512

    8a328298834bd6dce71c76baf77f6e2660ebb8038a930982e46d84e86b2078981ad095d44644c38650fdc2a29e18fa8ebc12da703a52314f7ad7030df6168fcb

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • \Users\Admin\AppData\Local\Temp\._cache_Monoxidex86.harmless.exe

    Filesize

    131KB

    MD5

    bd65d387482def1fe00b50406f731763

    SHA1

    d06a2ba2e29228f443f97d1dd3a8da5dd7df5903

    SHA256

    1ab7375550516d7445c47fd9b551ed864f227401a14ff3f1ff0d70caca3bd997

    SHA512

    351ecd109c4d49bc822e8ade73a9516c4a531ebcda63546c155e677dcff19708068dc588b2fcf30cad086238e8b206fc5f349d37dda02d3c3a8d9b570d92e4d9

  • memory/1232-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/1232-24-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2532-35-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2800-55-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2800-56-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2800-88-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB