Analysis

  • max time kernel
    120s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2024 08:26

General

  • Target

    64a511edf2e950215cc644beb0bea48d63212c1e416166e7c8c27a83ec4bf90dN.exe

  • Size

    1.9MB

  • MD5

    62a63a6141a5b387ed0378d9c6bc63c0

  • SHA1

    d372431f87c4329227e0c6d6cb90a30da8756528

  • SHA256

    64a511edf2e950215cc644beb0bea48d63212c1e416166e7c8c27a83ec4bf90d

  • SHA512

    5a4f1a3f3ba6fce7dad0fa219ea806d4b0a30e657c545a8c0c29d80257545c1da681dcc24d8b05c910eb9be86dd4b9eed0706cebf085bf0de1b3afa81399239f

  • SSDEEP

    24576:cnsJ39LyjbJkQFMhmC+6GD9vMRGJ/qofKE:cnsHyjtk2MYC5GDH1qdE

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

  • Floxif family
  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Detects Floxif payload 1 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 12 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Network Service Discovery 1 TTPs 9 IoCs

    Attempt to gather information on host's network.

  • UPX packed file 13 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 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 13 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64a511edf2e950215cc644beb0bea48d63212c1e416166e7c8c27a83ec4bf90dN.exe
    "C:\Users\Admin\AppData\Local\Temp\64a511edf2e950215cc644beb0bea48d63212c1e416166e7c8c27a83ec4bf90dN.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:4904
    • C:\Users\Admin\AppData\Local\Temp\._cache_64a511edf2e950215cc644beb0bea48d63212c1e416166e7c8c27a83ec4bf90dN.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_64a511edf2e950215cc644beb0bea48d63212c1e416166e7c8c27a83ec4bf90dN.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1844
      • C:\Windows\SysWOW64\arp.exe
        arp -a
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:4748
      • C:\Windows\SysWOW64\arp.exe
        arp -s 10.127.0.1 9b-be-bd-98-b3-3c
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3268
      • C:\Windows\SysWOW64\arp.exe
        arp -s 10.127.255.255 1e-6b-2a-1d-59-d8
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:524
      • C:\Windows\SysWOW64\arp.exe
        arp -s 49.12.169.208 1f-8f-aa-f8-c3-91
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3768
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.22 5c-aa-9c-a6-95-28
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:620
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.251 7f-08-9d-7b-d8-a7
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:4272
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.252 98-c4-61-8a-8a-64
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:1372
      • C:\Windows\SysWOW64\arp.exe
        arp -s 239.255.255.250 08-f5-77-8f-c8-1a
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:4268
      • C:\Windows\SysWOW64\arp.exe
        arp -s 255.255.255.255 09-0a-57-10-47-97
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:2344
      • C:\Windows\SysWOW64\arp.exe
        arp -d
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3660
    • 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:4832
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:1396
  • 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:2244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\symsrv.dll

    Filesize

    71KB

    MD5

    4fcd7574537cebec8e75b4e646996643

    SHA1

    efa59bb9050fb656b90d5d40c942fb2a304f2a8b

    SHA256

    8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

    SHA512

    7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.9MB

    MD5

    62a63a6141a5b387ed0378d9c6bc63c0

    SHA1

    d372431f87c4329227e0c6d6cb90a30da8756528

    SHA256

    64a511edf2e950215cc644beb0bea48d63212c1e416166e7c8c27a83ec4bf90d

    SHA512

    5a4f1a3f3ba6fce7dad0fa219ea806d4b0a30e657c545a8c0c29d80257545c1da681dcc24d8b05c910eb9be86dd4b9eed0706cebf085bf0de1b3afa81399239f

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

    Filesize

    2.0MB

    MD5

    07df30672c73d063d599cb8592ae29ba

    SHA1

    75cd93ad3b6b4da29d2e482175ea4368ce770871

    SHA256

    e44c0f8fa68c05a20b576f1ad0dc3310a1c393c7db2769b9e169b59ebf556476

    SHA512

    3047fa2621743b5c5993c8cb8afdc5785c6c864d77826ab9bae8838c4f6d72fc6b210fd2cadb21d495628192a71cffe39886c530686e9926ebee143323ea69c0

  • C:\Users\Admin\AppData\Local\Temp\._cache_64a511edf2e950215cc644beb0bea48d63212c1e416166e7c8c27a83ec4bf90dN.exe

    Filesize

    1.2MB

    MD5

    6c06a994695fca714484f634106e0a30

    SHA1

    8c2c9a454ca15d3a310e44576ce72db109c12ba3

    SHA256

    4269927cb66ec9c91b41b4c63c19c9d219b6b427a2797720f246ded873829054

    SHA512

    8a34c358fe8d52668b5785583f2e9000dacff2f93d5446561479b9aaa2f20121578649c120ef0673cb91492a0599d2a5a99c549e4b2fffce66ed80d262bcea0c

  • C:\Users\Admin\AppData\Local\Temp\td8ax9me.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/1396-118-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1396-133-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/1396-132-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1396-119-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/1844-76-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/1844-37-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1844-128-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1844-129-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/1844-131-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/1844-216-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/1844-161-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2244-144-0x00007FFC3D8E0000-0x00007FFC3D8F0000-memory.dmp

    Filesize

    64KB

  • memory/2244-139-0x00007FFC3FC90000-0x00007FFC3FCA0000-memory.dmp

    Filesize

    64KB

  • memory/2244-141-0x00007FFC3FC90000-0x00007FFC3FCA0000-memory.dmp

    Filesize

    64KB

  • memory/2244-140-0x00007FFC3FC90000-0x00007FFC3FCA0000-memory.dmp

    Filesize

    64KB

  • memory/2244-142-0x00007FFC3FC90000-0x00007FFC3FCA0000-memory.dmp

    Filesize

    64KB

  • memory/2244-143-0x00007FFC3FC90000-0x00007FFC3FCA0000-memory.dmp

    Filesize

    64KB

  • memory/2244-145-0x00007FFC3D8E0000-0x00007FFC3D8F0000-memory.dmp

    Filesize

    64KB

  • memory/4832-136-0x0000000000400000-0x00000000005EB000-memory.dmp

    Filesize

    1.9MB

  • memory/4832-162-0x0000000000400000-0x00000000005EB000-memory.dmp

    Filesize

    1.9MB

  • memory/4832-82-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

    Filesize

    4KB

  • memory/4832-217-0x0000000000400000-0x00000000005EB000-memory.dmp

    Filesize

    1.9MB

  • memory/4904-0-0x0000000002490000-0x0000000002491000-memory.dmp

    Filesize

    4KB

  • memory/4904-81-0x0000000000400000-0x00000000005EB000-memory.dmp

    Filesize

    1.9MB