Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 22:47

General

  • Target

    4b5c2a957c24169b658ab3a62944553736f7051f41efd1e1b76d9d3a12cb0dd9.exe

  • Size

    818KB

  • MD5

    b212a6752e64c5dce4d2b35ea72242dc

  • SHA1

    538d54dde9b2ba48c6880dc35519339ef53e4d9d

  • SHA256

    4b5c2a957c24169b658ab3a62944553736f7051f41efd1e1b76d9d3a12cb0dd9

  • SHA512

    fde02b04ed648603e1704693d61ab5a79f7c7c48ef2c57623f2cb395861c846d87be4445e36bc157538172ea9db33e34efff03f430ba6e15add1df7bde3eace5

  • SSDEEP

    12288:oavC6Lyjsb0eOzkv4R7QnvUUilQ35+6G75V9buk/1OUetDgu:oavLyjbJkQFMhmC+6GD9buu1OUi

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 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 38 IoCs
  • Drops file in Windows directory 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 6 IoCs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b5c2a957c24169b658ab3a62944553736f7051f41efd1e1b76d9d3a12cb0dd9.exe
    "C:\Users\Admin\AppData\Local\Temp\4b5c2a957c24169b658ab3a62944553736f7051f41efd1e1b76d9d3a12cb0dd9.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:620
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\4b5c2a957c24169b658ab3a62944553736f7051f41efd1e1b76d9d3a12cb0dd9.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3588
      • C:\Users\Admin\AppData\Local\Temp\4b5c2a957c24169b658ab3a62944553736f7051f41efd1e1b76d9d3a12cb0dd9.exe
        "C:\Users\Admin\AppData\Local\Temp\4b5c2a957c24169b658ab3a62944553736f7051f41efd1e1b76d9d3a12cb0dd9.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:4916
        • C:\Users\Admin\AppData\Local\Temp\._cache_4b5c2a957c24169b658ab3a62944553736f7051f41efd1e1b76d9d3a12cb0dd9.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_4b5c2a957c24169b658ab3a62944553736f7051f41efd1e1b76d9d3a12cb0dd9.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:5112
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:1280
          • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
            "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:4496
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    PID:4268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\._cache_4b5c2a957c24169b658ab3a62944553736f7051f41efd1e1b76d9d3a12cb0dd9.exe

    Filesize

    28KB

    MD5

    d64426c77296e981f5b28709196be972

    SHA1

    760345d09c1c1c1b433f3c8618f48d38f6050be9

    SHA256

    d574df8293a26f5f73a7bb2973f864dd978eebb9717e3a475cf6299d17afd047

    SHA512

    b385ccc6eed46769f197d0f4f6bf8840ffb2928d5dd87ee5a0c9cb793d055e962747a4868dc0762a87d07c7c60457bdd4db258db67a21d95805c1ad5fa5a91e0

  • C:\Users\Admin\AppData\Local\Temp\4b5c2a957c24169b658ab3a62944553736f7051f41efd1e1b76d9d3a12cb0dd9.exe

    Filesize

    782KB

    MD5

    883404164351e4c62fc0a82efa757071

    SHA1

    4a40df49092fd7d802c72e2fba3c31f28946dc3c

    SHA256

    688af93adfa085afe0768e03a5d0bf5bc2caf49c3681f1a7317f68b499ef6b66

    SHA512

    3849c3c51532fec154b58961cfda26daad6cee20bb2c8a60dcdb69e5f2ba6de54804bfd355af52dbe32329efc4403db6aaf257b151e5ca7e233daf2ec8d31cd1

  • C:\Windows\svchost.exe

    Filesize

    35KB

    MD5

    9e3c13b6556d5636b745d3e466d47467

    SHA1

    2ac1c19e268c49bc508f83fe3d20f495deb3e538

    SHA256

    20af03add533a6870d524a7c4753b42bfceb56cddd46016c051e23581ba743f8

    SHA512

    5a07ba8a7fcb15f64b129fada2621252b8bc37eb34d4f614c075c064f8ac0d367301eba0c32c5e28b8aa633f6ab604f0dfcc363b34734ce0207ef0d4e8817c4b

  • memory/620-4-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1280-208-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/1280-239-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3588-10-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/4268-217-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/4268-207-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/4268-238-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/4268-244-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/4916-144-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/4916-13-0x0000000002370000-0x0000000002371000-memory.dmp

    Filesize

    4KB