Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-02-2025 21:26

General

  • Target

    LummaC2-40_2025-01-24_18-38.exe

  • Size

    1.2MB

  • MD5

    1b91fb3005eba4feed4b3eadb74a94e7

  • SHA1

    9cf1a4ea89c80ad49f9e781648182c809f900081

  • SHA256

    0bcc74d1129e6e2ce57038f94c15c8e4bdad5ea713dc7379c110b70c675972e7

  • SHA512

    463ae447a18cd7c71ea2f64f4570d7def4f5f810538d13136d4a0355a740d552bb16ff521277781c8e4a8634214b72e707cb667e7299044bef57d45797bae288

  • SSDEEP

    24576:znsJ39LyjbJkQFMhmC+6GD94tSqnBDbmsYtRW3:znsHyjtk2MYC5GDE7BCC

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 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 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).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LummaC2-40_2025-01-24_18-38.exe
    "C:\Users\Admin\AppData\Local\Temp\LummaC2-40_2025-01-24_18-38.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:1720
    • C:\Users\Admin\AppData\Local\Temp\._cache_LummaC2-40_2025-01-24_18-38.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_LummaC2-40_2025-01-24_18-38.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3412
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 1268
        3⤵
        • Program crash
        PID:2440
    • 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:1424
      • 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:2172
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 1248
          4⤵
          • Program crash
          PID:4448
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3412 -ip 3412
    1⤵
      PID:1776
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2172 -ip 2172
      1⤵
        PID:3868
      • 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:4988
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDQ0OTciIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxNjkzODEzMjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NTE5NzUyNjU1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
        1⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        PID:4984

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Synaptics\Synaptics.exe

        Filesize

        1.2MB

        MD5

        1b91fb3005eba4feed4b3eadb74a94e7

        SHA1

        9cf1a4ea89c80ad49f9e781648182c809f900081

        SHA256

        0bcc74d1129e6e2ce57038f94c15c8e4bdad5ea713dc7379c110b70c675972e7

        SHA512

        463ae447a18cd7c71ea2f64f4570d7def4f5f810538d13136d4a0355a740d552bb16ff521277781c8e4a8634214b72e707cb667e7299044bef57d45797bae288

      • C:\Users\Admin\AppData\Local\Temp\._cache_LummaC2-40_2025-01-24_18-38.exe

        Filesize

        363KB

        MD5

        cf8015b9028cd3d624cc2c4538d02f86

        SHA1

        18974b0b3cc8b206587661ff8644e6e334bb4445

        SHA256

        f11c7ec6cdfa81c9a87e7fa2908d8e4816e0c4f630a5dd7fd706accb581fbd91

        SHA512

        cdfe8edda4fe811c46f7a9261c90b2e23fa046ef1e53a0a061b90055aec68a603a05b94e5c87e104b672ab6a26cb5132c1b34f5b278009a2911d3e1996927353

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

        Filesize

        17KB

        MD5

        e566fc53051035e1e6fd0ed1823de0f9

        SHA1

        00bc96c48b98676ecd67e81a6f1d7754e4156044

        SHA256

        8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

        SHA512

        a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

      • memory/1424-177-0x0000000000400000-0x0000000000536000-memory.dmp

        Filesize

        1.2MB

      • memory/1424-104-0x00000000006E0000-0x00000000006E1000-memory.dmp

        Filesize

        4KB

      • memory/1424-169-0x0000000000400000-0x0000000000536000-memory.dmp

        Filesize

        1.2MB

      • memory/1424-170-0x0000000000400000-0x0000000000536000-memory.dmp

        Filesize

        1.2MB

      • memory/1424-171-0x0000000000400000-0x0000000000536000-memory.dmp

        Filesize

        1.2MB

      • memory/1424-165-0x0000000000400000-0x0000000000536000-memory.dmp

        Filesize

        1.2MB

      • memory/1424-195-0x0000000000400000-0x0000000000536000-memory.dmp

        Filesize

        1.2MB

      • memory/1424-144-0x0000000000400000-0x0000000000536000-memory.dmp

        Filesize

        1.2MB

      • memory/1424-200-0x0000000000400000-0x0000000000536000-memory.dmp

        Filesize

        1.2MB

      • memory/1720-0-0x00000000023C0000-0x00000000023C1000-memory.dmp

        Filesize

        4KB

      • memory/1720-101-0x0000000000400000-0x0000000000536000-memory.dmp

        Filesize

        1.2MB

      • memory/2172-145-0x0000000000400000-0x00000000004C5000-memory.dmp

        Filesize

        788KB

      • memory/3412-142-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/3412-141-0x0000000000780000-0x0000000000880000-memory.dmp

        Filesize

        1024KB

      • memory/3412-131-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/3412-130-0x0000000000780000-0x0000000000880000-memory.dmp

        Filesize

        1024KB

      • memory/3412-132-0x0000000000400000-0x00000000004C5000-memory.dmp

        Filesize

        788KB

      • memory/4988-148-0x00007FFDEB830000-0x00007FFDEB840000-memory.dmp

        Filesize

        64KB

      • memory/4988-154-0x00007FFDE96D0000-0x00007FFDE96E0000-memory.dmp

        Filesize

        64KB

      • memory/4988-153-0x00007FFDE96D0000-0x00007FFDE96E0000-memory.dmp

        Filesize

        64KB

      • memory/4988-152-0x00007FFDEB830000-0x00007FFDEB840000-memory.dmp

        Filesize

        64KB

      • memory/4988-151-0x00007FFDEB830000-0x00007FFDEB840000-memory.dmp

        Filesize

        64KB

      • memory/4988-149-0x00007FFDEB830000-0x00007FFDEB840000-memory.dmp

        Filesize

        64KB

      • memory/4988-150-0x00007FFDEB830000-0x00007FFDEB840000-memory.dmp

        Filesize

        64KB