Resubmissions

29/11/2024, 08:33

241129-kfxb4svrcz 10

02/10/2024, 10:46

241002-mtys7swckg 7

Analysis

  • max time kernel
    146s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • submitted
    02/10/2024, 10:46

General

  • Target

    01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151.exe

  • Size

    868KB

  • MD5

    feb667833a9fc69fcbf42aa7e0046733

  • SHA1

    29c1b88fa3d36ae9f5e4501572c51338770617ff

  • SHA256

    01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151

  • SHA512

    4788e08d6e392d21e7adcb87fe9e3c93055f579ef014042909a1d07f4b268c42c792426a829025709636858e3206fbc2bf590baec3688325c3634683ac425617

  • SSDEEP

    12288:xMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9ytt2pIj:xnsJ39LyjbJkQFMhmC+6GD9s2po

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.

  • 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).

  • 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.

  • 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151.exe
    "C:\Users\Admin\AppData\Local\Temp\01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151.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:5060
    • C:\Users\Admin\AppData\Local\Temp\._cache_01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2604
    • 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:1752
      • 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
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3224
  • 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:2344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    868KB

    MD5

    feb667833a9fc69fcbf42aa7e0046733

    SHA1

    29c1b88fa3d36ae9f5e4501572c51338770617ff

    SHA256

    01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151

    SHA512

    4788e08d6e392d21e7adcb87fe9e3c93055f579ef014042909a1d07f4b268c42c792426a829025709636858e3206fbc2bf590baec3688325c3634683ac425617

  • C:\Users\Admin\AppData\Local\Temp\._cache_01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151.exe

    Filesize

    114KB

    MD5

    4209bf98881632ce68ed637d2fd4046d

    SHA1

    90882ae0e976df75c7a802c1d251d3c3a66a8982

    SHA256

    3251630556d4979d5126d4525318c94da12fefec7013d9f118e68aa7e707d504

    SHA512

    66510474dc8f0894f74f7d717854acc95cc948a558eee1a8d508d51e3012d7c19355b70579216e34a5c423bf7f37c959d6657fcf4a9dcffe63edff91619c29b1

  • C:\Users\Admin\AppData\Local\Temp\BEF75E00

    Filesize

    21KB

    MD5

    17691a8fda97d8a501ce0d03ad3f664b

    SHA1

    729429148c192fc4c83df19d0de52f38c188c1dc

    SHA256

    929e18c5b82c8f682f97d409abe0babade731f4a7d5acc866a911de7016c6156

    SHA512

    392b6f3ee36540799a8f1a6b8f0a8194a2ab2be066abcdaeb87e4e310fed8023b3eea27ab2c9cf6f8f6ca00e86af04aef2df3850c4f7adac7b21843f63d87bbc

  • C:\Users\Admin\AppData\Local\Temp\Dimmer.ini

    Filesize

    495B

    MD5

    0cd3b02d2efbf7d0959153991bec0bc9

    SHA1

    76b44e2d0e4a256deb0a9b2fe767443e712c737a

    SHA256

    75e88c96acb0e02a3439c07cfe33e7253a04ab9758f3bcb38865fb2fe57cdcf5

    SHA512

    e5e4078eb7103630f58aac918ba47ed57d0204e2156044476ab45a68f5fa07eb567a0d30aff4b65655c670d5ae71ace958c33630bb23c397225628e0691dda68

  • C:\Users\Admin\AppData\Local\Temp\mRbAE3Eb.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/1752-293-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1752-262-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1752-130-0x0000000002130000-0x0000000002131000-memory.dmp

    Filesize

    4KB

  • memory/1752-207-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1752-208-0x0000000002130000-0x0000000002131000-memory.dmp

    Filesize

    4KB

  • memory/2344-215-0x00007FFE4A280000-0x00007FFE4A290000-memory.dmp

    Filesize

    64KB

  • memory/2344-212-0x00007FFE4C750000-0x00007FFE4C760000-memory.dmp

    Filesize

    64KB

  • memory/2344-210-0x00007FFE4C750000-0x00007FFE4C760000-memory.dmp

    Filesize

    64KB

  • memory/2344-213-0x00007FFE4C750000-0x00007FFE4C760000-memory.dmp

    Filesize

    64KB

  • memory/2344-211-0x00007FFE4C750000-0x00007FFE4C760000-memory.dmp

    Filesize

    64KB

  • memory/2344-209-0x00007FFE4C750000-0x00007FFE4C760000-memory.dmp

    Filesize

    64KB

  • memory/2344-214-0x00007FFE4A280000-0x00007FFE4A290000-memory.dmp

    Filesize

    64KB

  • memory/2604-189-0x0000000005270000-0x0000000005302000-memory.dmp

    Filesize

    584KB

  • memory/2604-206-0x0000000072B1E000-0x0000000072B1F000-memory.dmp

    Filesize

    4KB

  • memory/2604-197-0x000000000B980000-0x000000000BEAC000-memory.dmp

    Filesize

    5.2MB

  • memory/2604-196-0x000000000B280000-0x000000000B442000-memory.dmp

    Filesize

    1.8MB

  • memory/2604-194-0x0000000009E90000-0x0000000009EC8000-memory.dmp

    Filesize

    224KB

  • memory/2604-195-0x0000000009D30000-0x0000000009D3E000-memory.dmp

    Filesize

    56KB

  • memory/2604-193-0x00000000058C0000-0x0000000005E64000-memory.dmp

    Filesize

    5.6MB

  • memory/2604-131-0x0000000000710000-0x0000000000732000-memory.dmp

    Filesize

    136KB

  • memory/2604-126-0x0000000072B1E000-0x0000000072B1F000-memory.dmp

    Filesize

    4KB

  • memory/3224-204-0x0000000005B80000-0x0000000005B88000-memory.dmp

    Filesize

    32KB

  • memory/5060-0-0x0000000002280000-0x0000000002281000-memory.dmp

    Filesize

    4KB

  • memory/5060-129-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB