Resubmissions

18-11-2024 08:39

241118-kkf6paxpdq 10

11-11-2024 17:15

241111-vsh1csscpj 10

Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 17:15

General

  • Target

    Stix_Advanced_Tweak.exe

  • Size

    1.5MB

  • MD5

    43afea647840c9ed1d2888ce8c85ed32

  • SHA1

    a9ca7722b5d49f42ae01dc20d3b7397f67647cd0

  • SHA256

    2cbf4a18cf8df6a631826a5006d13b3bf36d0971b8c96678b278fc99795a9386

  • SHA512

    ffe6cb55700d3e27544315998300c6d2532fa7b9085d9dd83088eb4579124579595c06ef9abe2fcc532468c5477a6fa13c57af2ae24df28b064050691ab48bc9

  • SSDEEP

    24576:2nsJ39LyjbJkQFMhmC+6GD9k0TO7wx6RZrLSQeMeNyUc7nyWOqmpezMJQF:2nsHyjtk2MYC5GD60TO7JRZHSSr0py

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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Stix_Advanced_Tweak.exe
    "C:\Users\Admin\AppData\Local\Temp\Stix_Advanced_Tweak.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Users\Admin\AppData\Local\Temp\._cache_Stix_Advanced_Tweak.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Stix_Advanced_Tweak.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      PID:2800
    • 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:2836
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1944
  • 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:2960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.5MB

    MD5

    43afea647840c9ed1d2888ce8c85ed32

    SHA1

    a9ca7722b5d49f42ae01dc20d3b7397f67647cd0

    SHA256

    2cbf4a18cf8df6a631826a5006d13b3bf36d0971b8c96678b278fc99795a9386

    SHA512

    ffe6cb55700d3e27544315998300c6d2532fa7b9085d9dd83088eb4579124579595c06ef9abe2fcc532468c5477a6fa13c57af2ae24df28b064050691ab48bc9

  • C:\Users\Admin\AppData\Local\Temp\5n2eQTiK.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\5n2eQTiK.xlsm

    Filesize

    22KB

    MD5

    1794683e5ebeffe7388b7dee0c23c802

    SHA1

    925fcbf0556e1f291dc12ab3aa7ef6e7648b96d1

    SHA256

    28e84c47d4c5ea0f66fc790ab55cfc3c6d23da157d5ec255426c773ade5d76ad

    SHA512

    bfc5c6ebec94a2ab17e70e9ca225789fa6decf0f20cd56fd4d35a105d7bf038f1498c86f817e74b08fe04ccbfc9c4e683be4ab9f59dbe0b73fc6904999942e26

  • C:\Users\Admin\AppData\Local\Temp\D6F77F00

    Filesize

    28KB

    MD5

    fa3f2e45f9f06cc607d6506a7a3e4722

    SHA1

    d2329d236b814ce63c20a96a7b46eb107c7800d6

    SHA256

    62aa3b8c9aa0a6496f52a9ef142eb1b6f903f0e00b924aba4d817d58c3bb87a7

    SHA512

    70882b60d7a213e42fd2a5fbb243aa911ec50e6ccabb76360b76be49de2ec9853d19846054d24efa7e680bd5ef8222406d9b842be567075e792285adcfe4a6c2

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

    Filesize

    766KB

    MD5

    204feb8a295ab9432b3ec64419c98484

    SHA1

    d2ccef786b20d3c3a3ff164c51beb149583011df

    SHA256

    7267c4fe27fd5e9aaf8d564f209a12c496d0e053c501504d42cf7234a789cf08

    SHA512

    6d216e8f82bd0f2e9db49e67d5fa440bd1fa6dedeea2476585a8c01029ffbfa093088ac3bf5293edd49e0509c04821cebbfc63e47c6aae44eb7b8db67f6ee088

  • memory/1944-38-0x0000000000A90000-0x0000000000B54000-memory.dmp

    Filesize

    784KB

  • memory/2628-26-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB

  • memory/2628-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2800-34-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/2800-29-0x000000001AEE0000-0x000000001AFCE000-memory.dmp

    Filesize

    952KB

  • memory/2800-18-0x0000000000AF0000-0x0000000000BB4000-memory.dmp

    Filesize

    784KB

  • memory/2836-40-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB

  • memory/2836-96-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB

  • memory/2836-97-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB

  • memory/2836-127-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB

  • memory/2836-132-0x0000000000400000-0x0000000000582000-memory.dmp

    Filesize

    1.5MB

  • memory/2960-41-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB