Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 23:14

General

  • Target

    385e9152c8a7fbf298cc12b319f0077e78ec9a1901adda0b4b9a48d23adc1370.exe

  • Size

    839KB

  • MD5

    803d6a88884f159f529566a156596e49

  • SHA1

    48cc2c11c3cbb7d6973b15eed838da61629f5614

  • SHA256

    385e9152c8a7fbf298cc12b319f0077e78ec9a1901adda0b4b9a48d23adc1370

  • SHA512

    dfec6a7c0e81d7e9fca28b8b4668d344b3c81f58e0455ac579c3eddc96fff191668a2211f689101f03b8f7867ce57c0b1d39dd093fdd4bfaca41b5f956855ba2

  • SSDEEP

    12288:ZMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V91xE7:ZnsJ39LyjbJkQFMhmC+6GD9fs

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
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\385e9152c8a7fbf298cc12b319f0077e78ec9a1901adda0b4b9a48d23adc1370.exe
    "C:\Users\Admin\AppData\Local\Temp\385e9152c8a7fbf298cc12b319f0077e78ec9a1901adda0b4b9a48d23adc1370.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\._cache_385e9152c8a7fbf298cc12b319f0077e78ec9a1901adda0b4b9a48d23adc1370.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_385e9152c8a7fbf298cc12b319f0077e78ec9a1901adda0b4b9a48d23adc1370.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:1048
    • 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:2240
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:2848
  • 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:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    839KB

    MD5

    803d6a88884f159f529566a156596e49

    SHA1

    48cc2c11c3cbb7d6973b15eed838da61629f5614

    SHA256

    385e9152c8a7fbf298cc12b319f0077e78ec9a1901adda0b4b9a48d23adc1370

    SHA512

    dfec6a7c0e81d7e9fca28b8b4668d344b3c81f58e0455ac579c3eddc96fff191668a2211f689101f03b8f7867ce57c0b1d39dd093fdd4bfaca41b5f956855ba2

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

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

    Filesize

    24KB

    MD5

    9d081782fdf0dd6e682e3003e84cb5e3

    SHA1

    87d6ca67268d2563d1811fa800a5de0725da2c80

    SHA256

    408ce6a4b06f96712f518e10f7e544946c93c26d1f8a9278cc6808806a10dbbe

    SHA512

    db7babf11d0f7e31fe9ba361ec4dc5854911a1dfeffc57a645109a2b77c525917ec2083e6fd5ff4ce273c5a50e77a0d4356478dae93e3ee37ae982833918e6c7

  • \Users\Admin\AppData\Local\Temp\._cache_385e9152c8a7fbf298cc12b319f0077e78ec9a1901adda0b4b9a48d23adc1370.exe

    Filesize

    85KB

    MD5

    853a72d29f1b6bdf5b3ca6858e66bd7d

    SHA1

    a2b559f13cf48ef7bf92ca124713ee06cdac3133

    SHA256

    337e669b6baf16353f88b9a27cfe80ecdcfe18b2a6e28bc2c1b8ddb4b1c1ac96

    SHA512

    4a6a87db5216d005a7b6dcd891f3c051e575e29aabb1dc2359266d7f2ad20e8e5562f7e388362c62ab7320a91a6eda6430484f0307175228fe9f55f24740db41

  • memory/2240-35-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB

  • memory/2240-79-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB

  • memory/2240-80-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB

  • memory/2240-112-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB

  • memory/2380-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2380-25-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB

  • memory/2612-36-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB