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Overview

overview

10

Static

static

10

f3724bf49b...e6.exe

windows7-x64

10

f3724bf49b...e6.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2024, 03:09

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General

  • Target

    f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6.exe

  • Size

    2.1MB

  • MD5

    38d3095d1b748cd53c65395718d7c5f4

  • SHA1

    3c0221471b641a641a9141a731f6ee09663e6538

  • SHA256

    f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6

  • SHA512

    f0ab6ed5dfa52d8159c5090fd96087ba8e89c26c2fdb90fae3f4d19b6952250ecd49846b9198d7c77affb6fabe3a0e53758392409a73552b202591433afc03e6

  • SSDEEP

    49152:ZnsHyjtk2MYC5GDqkwkn9IMHea2A07SXq6zMaPCSO:Znsmtk2acdnV+FSvPCt

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
  • 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
    persistence
  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • 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.

    discovery
  • 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.

    persistenceexecution
  • 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\f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6.exe
    "C:\Users\Admin\AppData\Local\Temp\f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\._cache_f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6.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:1884
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c schtasks /create /tn BBLXFG.exe /tr C:\Users\Admin\AppData\Roaming\Windata\TXAASJ.exe /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2240
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn BBLXFG.exe /tr C:\Users\Admin\AppData\Roaming\Windata\TXAASJ.exe /sc minute /mo 1
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2876
      • C:\Windows\SysWOW64\WSCript.exe
        WSCript C:\Users\Admin\AppData\Local\Temp\BBLXFG.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2704
    • 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:2908
      • 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:2628
  • 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:2020
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {730F3410-0DDF-47A2-ABBA-0E40627EECFD} S-1-5-21-1163522206-1469769407-485553996-1000:PJCSDMRP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Users\Admin\AppData\Roaming\Windata\TXAASJ.exe
      C:\Users\Admin\AppData\Roaming\Windata\TXAASJ.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2180
    • C:\Users\Admin\AppData\Roaming\Windata\TXAASJ.exe
      C:\Users\Admin\AppData\Roaming\Windata\TXAASJ.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1436

Network

MITRE ATT&CK Enterprise v15

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Downloads

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

    2.1MB

    MD5

    38d3095d1b748cd53c65395718d7c5f4

    SHA1

    3c0221471b641a641a9141a731f6ee09663e6538

    SHA256

    f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6

    SHA512

    f0ab6ed5dfa52d8159c5090fd96087ba8e89c26c2fdb90fae3f4d19b6952250ecd49846b9198d7c77affb6fabe3a0e53758392409a73552b202591433afc03e6

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\BBLXFG.vbs
    Filesize

    964B

    MD5

    bc80130aea11ad9471ee84d7f9acb927

    SHA1

    a60a848576a7eb432a5870ee49cfae862b708c2c

    SHA256

    84fddb6a794a3f013648998d5272451608eb5298e2c91f7dd58056e2181cc025

    SHA512

    c8bf4cfe134511a88cb5cef5f6d04dc4ba953a75b9f19a94dfc444cba1c3a94a35e59dcd1c9eb6f2d1ed347b37df9147f0c374c7a4cd7d22492b8768af5514ee

    Download Submit

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

    24KB

    MD5

    a58d6c35f1b79545f680399fc6364b2a

    SHA1

    76eeae71615d3fb1301910a31a8c85992c464f20

    SHA256

    2752b2ead8a6cf7af05abfa99b0ea3d844f43c306476aeb44d51d1ea66c24820

    SHA512

    68af47d15399848e92722c78963923f43926ea8a171620f834983d9a2fe489e5cb3fa9d9dec1a800a0cd99a4a9ed5a0536689609c2743fba6258f742813fed09

    Download Submit

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

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    Download Submit

  • \Users\Admin\AppData\Local\Temp\._cache_f3724bf49bfd8d11ef1f81b4c6aebc4d3281cecfa357d4fb3ae388a4add242e6.exe
    Filesize

    1.4MB

    MD5

    df6fa61ac1509c2d8b720690829d5634

    SHA1

    4430a5461b9c0b5fb8ad0398edad7b5e89159441

    SHA256

    90520e67bffe18505e7d77356a0adbf8ab6663862ef765387eeaf6e2ce5a32d6

    SHA512

    4f953ead572c92bde737227c1afa88bc2d274118e42c99e9245405b4748fa0f258ca8b334ecf219e5c7d2adbbf9185ca4cbbdcc5ef312c26aa7e81bd32d0610c

    Download Submit

  • memory/1988-27-0x0000000000400000-0x0000000000620000-memory.dmp

    Filesize

    2.1MB

    Download

  • memory/1988-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2020-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2908-88-0x0000000000400000-0x0000000000620000-memory.dmp

    Filesize

    2.1MB

    Download

  • memory/2908-89-0x0000000000400000-0x0000000000620000-memory.dmp

    Filesize

    2.1MB

    Download

  • memory/2908-120-0x0000000000400000-0x0000000000620000-memory.dmp

    Filesize

    2.1MB

    Download

  • memory/2908-125-0x0000000000400000-0x0000000000620000-memory.dmp

    Filesize

    2.1MB

    Download