Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 18:04

General

  • Target

    Temp Free.exe

  • Size

    1000KB

  • MD5

    cc5f51201874052f462618399a629d74

  • SHA1

    8ad3924bc4311e1ae4f94036c0febf90bd33d91d

  • SHA256

    896f987e0f403251ca9e03c239313ba386532ef4e4331c783753a61513dda630

  • SHA512

    ca4e3579e7072e6baf140c2e2e7729a271d35d812e918d8d2807d5e2f5dfd60e10aa96f9fe2238af06b50f412c277a727889e380b3961643a27d22f23645df73

  • SSDEEP

    12288:TMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V98j2W7tQJ6f+R5hj:TnsJ39LyjbJkQFMhmC+6GD9Mf+7J

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
  • Suspicious Office macro 4 IoCs

    Office document equipped with macros.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 15 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Temp Free.exe
    "C:\Users\Admin\AppData\Local\Temp\Temp Free.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\._cache_Temp Free.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Temp Free.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2440
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 624
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:840
    • 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:2852
      • 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 WriteProcessMemory
        PID:2844
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 624
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1768
  • 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:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1000KB

    MD5

    cc5f51201874052f462618399a629d74

    SHA1

    8ad3924bc4311e1ae4f94036c0febf90bd33d91d

    SHA256

    896f987e0f403251ca9e03c239313ba386532ef4e4331c783753a61513dda630

    SHA512

    ca4e3579e7072e6baf140c2e2e7729a271d35d812e918d8d2807d5e2f5dfd60e10aa96f9fe2238af06b50f412c277a727889e380b3961643a27d22f23645df73

  • C:\Users\Admin\AppData\Local\Temp\aTii553M.xlsm

    Filesize

    22KB

    MD5

    aca57003d260728e5eaac76a03b6907e

    SHA1

    215e0cb22041f55db750d0a9a1c616278e63084c

    SHA256

    bdd04e0ed924088c24be3e2699d952587fbedd5d793276f46f09461cc7423d6e

    SHA512

    7c9eb0277a394f55e54519e6ca0634b373a22720b13358240017ce45a80f46a0cef4360204bc6c72c1fb67656d5339acd17d318db8c89b5d22dcf32677d99b13

  • C:\Users\Admin\AppData\Local\Temp\aTii553M.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\aTii553M.xlsm

    Filesize

    22KB

    MD5

    d865b1b01f8278f8e1d465da23ea5ee5

    SHA1

    c274cb6417d5325cdabb867a15ec525ceef9ebf1

    SHA256

    92ec3bf84d87ad7598ba19c20ff9e488b5582b43103caf2f0151a392a0e68313

    SHA512

    810fbd4f83d38eb77125f136b77fb1b2f5b772334ec390e02f13ca012a8332ef3bca8546bae4228a01819756cea59d991d270984d64e656bf97b039d5fa9115d

  • C:\Users\Admin\AppData\Local\Temp\aTii553M.xlsm

    Filesize

    21KB

    MD5

    9867196009d75aef79a74f5238218260

    SHA1

    5864b225d761373c13c651f316c0ca4ff862c363

    SHA256

    2d03658d77aac296a8aea272dfd3cc7ad564ef4d27fab65ec96dd8efe774ab26

    SHA512

    00b1d068d03057702a20a63b67e539ffe4b0b19fb3d8a83bea7e7c56a465864670700bf68dee1c3c29bfc65a103c91c2bcc12482f08589d4a89834c2834c53c6

  • C:\Users\Admin\AppData\Local\Temp\aTii553M.xlsm

    Filesize

    24KB

    MD5

    231208aab46f9426159c83edfc0fe972

    SHA1

    9397baf054014f6ec64defd09395a2ed21b01db0

    SHA256

    bd6276c3f206b693f84a004c365b39139a8954fc1b108fce03b4b93a33d725bb

    SHA512

    552bc9e862a08f1104635b169a71fb2bebdde29aadaec2d9d67fa722fac7b568e5d5c72155f681bd9ac570b18c797b632d5da77ebcf568057f2df51d55d68098

  • C:\Users\Admin\AppData\Local\Temp\aTii553M.xlsm

    Filesize

    23KB

    MD5

    23c43c3fe1c509e45b74ad6f0dbd1353

    SHA1

    8488179a2ba94cd388ffab2d9c7b0028c3ba6eeb

    SHA256

    7ec141c1dd1211a6c17f70aab96abfb7cb23a8cf1e969a3537db807fee7183b9

    SHA512

    fe7590341c46587871f8477069b4929b11e3de726e3a3c5a20edbf96f2ba51e115620c8fa0f7db5305dbf59ae223f7e8843f30affcfc50076266156330ec9af9

  • C:\Users\Admin\AppData\Local\Temp\aTii553M.xlsm

    Filesize

    25KB

    MD5

    544387e9c148dbb986ea17c5f8d0ec23

    SHA1

    11e821b52e9de8965911b24dc007cfc917bcf90d

    SHA256

    7dfbdf1e3465f3878cf73be1d79a44165205877129bf14ed8ef52a4985ec6f2d

    SHA512

    f280b5b26292bc0a00b761b718b35d41fca994ac1c23997f7756f4c01a3b07fed1b21d4a4725d47e62bda28aae75d9c7dfd4f709589de023458622067ebccab0

  • C:\Users\Admin\Desktop\~$LimitTrace.xlsx

    Filesize

    165B

    MD5

    ff09371174f7c701e75f357a187c06e8

    SHA1

    57f9a638fd652922d7eb23236c80055a91724503

    SHA256

    e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8

    SHA512

    e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882

  • \Users\Admin\AppData\Local\Temp\._cache_Temp Free.exe

    Filesize

    246KB

    MD5

    8818bfbb6f733193f987724a4f0efbd6

    SHA1

    3f2efc98effc616e99ae733cadf64262bf8e93ed

    SHA256

    0bb4187f97b57c10dba81e80040ff237f4af881dc8061af3c6af2a31ebd43ba2

    SHA512

    f7c6cdf9b9fac21fa7e5e8b9ff810172125f08f96719c49927ff143515442f0f7112bcdeb070cd5ea507ae8d59fcf54566acc4b9025f583166121ef996d879c6

  • memory/1720-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/1720-26-0x0000000000400000-0x0000000000500000-memory.dmp

    Filesize

    1024KB

  • memory/2440-29-0x00000000011E0000-0x0000000001224000-memory.dmp

    Filesize

    272KB

  • memory/2844-38-0x00000000011C0000-0x0000000001204000-memory.dmp

    Filesize

    272KB

  • memory/2852-148-0x0000000000400000-0x0000000000500000-memory.dmp

    Filesize

    1024KB

  • memory/2852-149-0x0000000000400000-0x0000000000500000-memory.dmp

    Filesize

    1024KB

  • memory/2852-181-0x0000000000400000-0x0000000000500000-memory.dmp

    Filesize

    1024KB

  • memory/2988-39-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2988-147-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB