Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 17:24

General

  • Target

    RNEQTT.exe

  • Size

    1.6MB

  • MD5

    019fc60427d0126adfec88980c7fb666

  • SHA1

    55e2550ce27991e708e30a2e75253093eed0edb3

  • SHA256

    6bf3a9c47d0dc7cbde76eb4dbd81f9fcac54f64d7bf907ff952438503d8588b6

  • SHA512

    f8013fb625bb6354b50d7c27331c3088904ddd9103e0b28bac8965edd83d86353250e97aa872b82756d2765064d5be30e9e9579e216805c12216634627311a86

  • SSDEEP

    49152:MnsHyjtk2MYC5GDshloJfxBHUklI7GkBf:Mnsmtk2a5hliBHUklI66f

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
  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 17 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 22 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 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
  • NTFS ADS 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RNEQTT.exe
    "C:\Users\Admin\AppData\Local\Temp\RNEQTT.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\._cache_RNEQTT.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_RNEQTT.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:2548
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c schtasks /create /tn VFNCBO.exe /tr C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2188
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn VFNCBO.exe /tr C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe /sc minute /mo 1
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3056
      • C:\Windows\SysWOW64\WSCript.exe
        WSCript C:\Users\Admin\AppData\Local\Temp\VFNCBO.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2784
    • 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:2812
      • 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
        PID:1464
  • 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:2684
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {07A1754C-08D5-4223-B708-FCCF402A7BF0} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe
      C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1316
    • C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe
      C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.6MB

    MD5

    019fc60427d0126adfec88980c7fb666

    SHA1

    55e2550ce27991e708e30a2e75253093eed0edb3

    SHA256

    6bf3a9c47d0dc7cbde76eb4dbd81f9fcac54f64d7bf907ff952438503d8588b6

    SHA512

    f8013fb625bb6354b50d7c27331c3088904ddd9103e0b28bac8965edd83d86353250e97aa872b82756d2765064d5be30e9e9579e216805c12216634627311a86

  • C:\Users\Admin\AppData\Local\Temp\VFNCBO.vbs

    Filesize

    848B

    MD5

    54c40d25c90c3eb1467bfe6279711501

    SHA1

    f84e7541c12a29254697bce19fe66648fcd5cf78

    SHA256

    9ab5d94a00d1a331bf47149b574dee6483c7f39d57f036a60c8296ed2ffa2802

    SHA512

    60e5cc0cdbeec2db52c4c215c7d7a7de5f188827126608c5630332fe72f68568a7919bfd6795017351067b7dda9429d3640b6ccf2fa61f32f2ebc22d4582b417

  • C:\Users\Admin\AppData\Local\Temp\wV8C9Gck.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\wV8C9Gck.xlsm

    Filesize

    23KB

    MD5

    2f916f11888ede265330cf73d6386c05

    SHA1

    103d41e48111ee214f8ede9baab4859f6de827cc

    SHA256

    dd3d0a4a2f31c003286ce93a3746cb3ba587576c9caa14bdd7ece8c7a2c344a7

    SHA512

    aca4c8e1b8031a3b092c22501b462da0b210e0602e9d90f3e20b9c7e032993d400eeaada1981e9d02d34b7e93783ddc11934feaa96cee8b8aa19fb4d18996d53

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

    Filesize

    895KB

    MD5

    e18974062e92d1e85871e1be1487f6dc

    SHA1

    cef294ecb4f41dd4970a918550084d30705a1a3b

    SHA256

    f5e48b46d31d16b783f2c91a516562ea9aed19f1d4a6de820962c6b9a592b2ce

    SHA512

    3b0cf9fc65a9b950ec0b7dd9162f9902b6a2869980c13099daab0fa443b39e427b952e74537e527f4def4d7e7f2abd8912c3cee1dfa57b4ff2fa13eb91a1b007

  • memory/1268-149-0x0000000000160000-0x0000000000350000-memory.dmp

    Filesize

    1.9MB

  • memory/1268-150-0x0000000000160000-0x0000000000350000-memory.dmp

    Filesize

    1.9MB

  • memory/1316-107-0x00000000009E0000-0x0000000000BD0000-memory.dmp

    Filesize

    1.9MB

  • memory/1316-105-0x00000000009E0000-0x0000000000BD0000-memory.dmp

    Filesize

    1.9MB

  • memory/1464-46-0x00000000001D0000-0x00000000003C0000-memory.dmp

    Filesize

    1.9MB

  • memory/1464-65-0x00000000001D0000-0x00000000003C0000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-99-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-95-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-101-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-94-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-155-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-151-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-36-0x0000000000610000-0x0000000000620000-memory.dmp

    Filesize

    64KB

  • memory/2548-18-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-146-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-153-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-144-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-108-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-110-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-140-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-157-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2548-142-0x0000000000A90000-0x0000000000C80000-memory.dmp

    Filesize

    1.9MB

  • memory/2684-48-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2812-44-0x00000000057E0000-0x00000000059D0000-memory.dmp

    Filesize

    1.9MB

  • memory/2812-141-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

  • memory/2812-98-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

  • memory/2812-96-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

  • memory/3028-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/3028-29-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

  • memory/3028-11-0x0000000005850000-0x0000000005A40000-memory.dmp

    Filesize

    1.9MB