Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-08-2024 12:57

General

  • Target

    c6e52cfc9db15b7b36f24e661b1dbdb6_JaffaCakes118.exe

  • Size

    3.9MB

  • MD5

    c6e52cfc9db15b7b36f24e661b1dbdb6

  • SHA1

    ed6a2482b22a69c377c9be8986d14cca0e409c3b

  • SHA256

    be341d866627afe5210691bb86622974f9f409b97fa9203110c2cd91356bda24

  • SHA512

    1f9d42d193cae3329541f22fdff9fb3bd42cda50ac2c4b6c5e1aecf19b03460021e1ebcf5e7f662a6a8210cb019fcf8c3b908c84d3ee7052ce0021ec0a11de8d

  • SSDEEP

    98304:ElNuNm1FnRxgJ8W5liso1rTckmeccx3CvAy9pkEXIvwR:EUNCFRdelizBczLy3MAy9pz4vw

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba payload 17 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 6 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 2 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • 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.

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6e52cfc9db15b7b36f24e661b1dbdb6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c6e52cfc9db15b7b36f24e661b1dbdb6_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4756
    • C:\Users\Admin\AppData\Local\Temp\c6e52cfc9db15b7b36f24e661b1dbdb6_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\c6e52cfc9db15b7b36f24e661b1dbdb6_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2412
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2232
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:5088
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:344
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:2948
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        PID:4072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\rss\csrss.exe

    Filesize

    3.9MB

    MD5

    c6e52cfc9db15b7b36f24e661b1dbdb6

    SHA1

    ed6a2482b22a69c377c9be8986d14cca0e409c3b

    SHA256

    be341d866627afe5210691bb86622974f9f409b97fa9203110c2cd91356bda24

    SHA512

    1f9d42d193cae3329541f22fdff9fb3bd42cda50ac2c4b6c5e1aecf19b03460021e1ebcf5e7f662a6a8210cb019fcf8c3b908c84d3ee7052ce0021ec0a11de8d

  • memory/2412-8-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/2412-16-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/2412-10-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/2412-9-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/4072-25-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/4072-24-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/4072-33-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/4072-31-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/4072-29-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/4072-27-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/4072-20-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/4072-21-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/4072-23-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB

  • memory/4756-3-0x0000000000400000-0x0000000000B0A000-memory.dmp

    Filesize

    7.0MB

  • memory/4756-1-0x0000000002B00000-0x0000000002EB1000-memory.dmp

    Filesize

    3.7MB

  • memory/4756-2-0x0000000002EC0000-0x00000000035AF000-memory.dmp

    Filesize

    6.9MB

  • memory/4756-6-0x0000000002EC0000-0x00000000035AF000-memory.dmp

    Filesize

    6.9MB

  • memory/4756-5-0x0000000000400000-0x0000000000B0A000-memory.dmp

    Filesize

    7.0MB

  • memory/4756-4-0x0000000000400000-0x0000000000CF7000-memory.dmp

    Filesize

    9.0MB