Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • submitted
    09/05/2024, 11:16

General

  • Target
    c5680de29ecaa3adff453c92e1c4cc471815c1351aeb545d8df3ccf469a7e9a6.exe
  • Size 2.6MB
  • Sample240509-nc9d2shc84
  • SHA256 c5680de29ecaa3adff453c92e1c4cc471815c1351aeb545d8df3ccf469a7e9a6
  • MD5 SHA1 SHA512 SSDEEP

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

  • Blackmoon family
  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 5 IoCs
  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Gh0strat family
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 4 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 2 IoCs

    remove IFEO.

  • Drops file in System32 directory 4 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in Program Files 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 8 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 6 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5680de29ecaa3adff453c92e1c4cc471815c1351aeb545d8df3ccf469a7e9a6.exe
    "C:\Users\Admin\AppData\Local\Temp\c5680de29ecaa3adff453c92e1c4cc471815c1351aeb545d8df3ccf469a7e9a6.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Users\Admin\AppData\Local\Temp\look2.exe
      C:\Users\Admin\AppData\Local\Temp\\look2.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:4812
    • C:\Users\Admin\AppData\Local\Temp\HD_c5680de29ecaa3adff453c92e1c4cc471815c1351aeb545d8df3ccf469a7e9a6.exe
      C:\Users\Admin\AppData\Local\Temp\HD_c5680de29ecaa3adff453c92e1c4cc471815c1351aeb545d8df3ccf469a7e9a6.exe
      2⤵
      • 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:4976
      • C:\Users\Admin\AppData\Local\Temp\._cache_HD_c5680de29ecaa3adff453c92e1c4cc471815c1351aeb545d8df3ccf469a7e9a6.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_HD_c5680de29ecaa3adff453c92e1c4cc471815c1351aeb545d8df3ccf469a7e9a6.exe"
        3⤵
        • Event Triggered Execution: Image File Execution Options Injection
        • Executes dropped EXE
        • Loads dropped DLL
        • Indicator Removal: Clear Persistence
        • System Location Discovery: System Language Discovery
        • Modifies Control Panel
        • Suspicious use of AdjustPrivilegeToken
        PID:840
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:3844
        • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
          4⤵
          • Event Triggered Execution: Image File Execution Options Injection
          • Executes dropped EXE
          • Loads dropped DLL
          • Indicator Removal: Clear Persistence
          • System Location Discovery: System Language Discovery
          • Modifies Control Panel
          • Suspicious use of AdjustPrivilegeToken
          PID:3608
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:512
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "svchcst"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4592
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\240607031.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4068
    • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
      1⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2116

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          gzip.dll

          • Path C:\ProgramData\E-Module\gzip.dll
          • Size 29KB
          • SHA256 97ea3d99cf21123bc1aec72f9ded6a51ac659830392adfefd424eb799ab0219e
          • MD5 SHA1 SHA512 SSDEEP

          ._cache_HD_c5680de29ecaa3adff453c92e1c4cc471815c1351aeb545d8df3ccf469a7e9a6.exe

          • Path C:\Users\Admin\AppData\Local\Temp\._cache_HD_c5680de29ecaa3adff453c92e1c4cc471815c1351aeb545d8df3ccf469a7e9a6.exe
          • Size 747KB
          • SHA256 90fbfaf9abaa4be6a30466f9c3bdc971fb5fbaccb1c1b39e32645c7b7cca08ed
          • MD5 SHA1 SHA512 SSDEEP

          HD_X.dat

          • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
          • Size 1.2MB
          • SHA256 5956bf87d53f3b5481b97d02d878f44371270a561178c1af712e03271698a1dc
          • MD5 SHA1 SHA512 SSDEEP

          HD_c5680de29ecaa3adff453c92e1c4cc471815c1351aeb545d8df3ccf469a7e9a6.exe

          • Path C:\Users\Admin\AppData\Local\Temp\HD_c5680de29ecaa3adff453c92e1c4cc471815c1351aeb545d8df3ccf469a7e9a6.exe
          • Size 1.5MB
          • SHA256 cccbf20629744a9c79f7c010ae833cac2a8a2c5dfebf9dbd6248500449b0f97f
          • MD5 SHA1 SHA512 SSDEEP

          b9RtnmxA.xlsm

          • Path C:\Users\Admin\AppData\Local\Temp\b9RtnmxA.xlsm
          • Size 17KB
          • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
          • MD5 SHA1 SHA512 SSDEEP

          look2.exe

          • Path C:\Users\Admin\AppData\Local\Temp\look2.exe
          • Size 337KB
          • SHA256 86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
          • MD5 SHA1 SHA512 SSDEEP

          240607031.bat

          • Path C:\Windows\SysWOW64\240607031.bat
          • Size 51KB
          • SHA256 3bd74d423ad107e073fba565f7355100edac28a70e0461e0954a1bfeb1fe93b1
          • MD5 SHA1 SHA512 SSDEEP

          svchcst.exe

          • Path C:\Windows\SysWOW64\svchcst.exe
          • Size 60KB
          • SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
          • MD5 SHA1 SHA512 SSDEEP

          memory/840-121-0x0000000000560000-0x000000000056B000-memory.dmp

          memory/840-126-0x000000006FB90000-0x000000006FBA0000-memory.dmp

          memory/2116-179-0x00007FF9D6C50000-0x00007FF9D6C60000-memory.dmp

          memory/2116-177-0x00007FF9D6C50000-0x00007FF9D6C60000-memory.dmp

          memory/2116-176-0x00007FF9D6C50000-0x00007FF9D6C60000-memory.dmp

          memory/2116-175-0x00007FF9D6C50000-0x00007FF9D6C60000-memory.dmp

          memory/2116-178-0x00007FF9D6C50000-0x00007FF9D6C60000-memory.dmp

          memory/2116-180-0x00007FF9D4A70000-0x00007FF9D4A80000-memory.dmp

          memory/2116-181-0x00007FF9D4A70000-0x00007FF9D4A80000-memory.dmp

          memory/3608-171-0x0000000000670000-0x000000000067B000-memory.dmp

          memory/3844-198-0x0000000000400000-0x000000000057D000-memory.dmp

          memory/3844-224-0x0000000000400000-0x000000000057D000-memory.dmp

          memory/4976-137-0x0000000000400000-0x000000000057D000-memory.dmp

          memory/4976-18-0x0000000000770000-0x0000000000771000-memory.dmp