Overview

overview

10

Static

static

3

RHC_malware.exe

windows7-x64

10

RHC_malware.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • submitted
    08/05/2024, 13:39

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General

  • Target

    RHC_malware.exe

  • Size

    6.9MB

  • MD5

    9bd61bf5ebf851ea7815b6358cfbdce0

  • SHA1

    2f448d4c580aba06da38316879fb8042caef678b

  • SHA256

    1f5e3825d2bcdc94433c2fd7a278944a4c000399e93977b815a782b962d21f33

  • SHA512

    07c5ee7a02f55b4384609603c12cf2f8bc1f45d502cb4130df278b178871ce6458ec017a5082ef02aeb1632bbcaa045e350c074d9a91439d0eccb0ce763d2d78

  • SSDEEP

    196608:BL6ibcvIpXnYZt8DroYCxJjAQpqFLOyomFHKnPlZ:BWibwItYCroYCPqFS

Score
10/10
xredbackdoordiscoverypersistence

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.

    backdoorxred
  • Xred family
    xred
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 12 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 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.

    discovery
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RHC_malware.exe
    "C:\Users\Admin\AppData\Local\Temp\RHC_malware.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\Temp\._cache_RHC_malware.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_RHC_malware.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1072
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 484
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:112
    • 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:2748
      • 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 SetWindowsHookEx
        PID:2484
  • 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
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    6.9MB

    MD5

    9bd61bf5ebf851ea7815b6358cfbdce0

    SHA1

    2f448d4c580aba06da38316879fb8042caef678b

    SHA256

    1f5e3825d2bcdc94433c2fd7a278944a4c000399e93977b815a782b962d21f33

    SHA512

    07c5ee7a02f55b4384609603c12cf2f8bc1f45d502cb4130df278b178871ce6458ec017a5082ef02aeb1632bbcaa045e350c074d9a91439d0eccb0ce763d2d78

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tLyUI7eH.xlsm
    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    Download Submit

  • \Users\Admin\AppData\Local\Temp\._cache_RHC_malware.exe
    Filesize

    6.1MB

    MD5

    2c3251b9881c1f5d2e90b0d506bb3b0f

    SHA1

    470cc5ae6503ea489c2a1d2fdb208ba6e47de352

    SHA256

    699d1aa885275934df2fbe009e892c4277b5558e25b798990d8d2f5459281a79

    SHA512

    d9283d83e9ff2fa7029780bb0bdf99b7cbdd0321deb81da8d4b31b3d9c46db21621ec707a87bbdae2fbc321c486a21eb99c32d158df8b0103ca716ec0b0a30ab

    Download Submit

  • memory/2184-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2184-25-0x0000000000400000-0x0000000000AE0000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/2428-35-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2748-62-0x0000000000400000-0x0000000000AE0000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/2748-64-0x0000000000400000-0x0000000000AE0000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/2748-97-0x0000000000400000-0x0000000000AE0000-memory.dmp

    Filesize

    6.9MB

    Download