Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-09-2024 12:42

General

  • Target

    e2812a76f4d4a86996e6dca725854468_JaffaCakes118.exe

  • Size

    4.7MB

  • MD5

    e2812a76f4d4a86996e6dca725854468

  • SHA1

    0cf707b82e9ffea7d969e4e0737ed08c8ebabf8d

  • SHA256

    4b04b558793d7255d059baef4fedb14ad94c802b67e4c21d5c60e321851158fc

  • SHA512

    1d4215e42929d7c6ee391f25188c0821e3335a0d4844de5264ae0dbc1782d25f9fda9cdc8c54f50a3ee7e6fbc4436bc5221966ce8cb70fa2c842b46861145ce0

  • SSDEEP

    98304:JyTD5obZT0wiyKnQIoJ+eGABm7NcpYymOZd2eWby95JBHll:8HJbQIoFSJcudbO95JBH

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
  • 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\e2812a76f4d4a86996e6dca725854468_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e2812a76f4d4a86996e6dca725854468_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3840
    • C:\Users\Admin\AppData\Local\Temp\e2812a76f4d4a86996e6dca725854468_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e2812a76f4d4a86996e6dca725854468_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:1748
      • 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:1160
        • 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:1156
      • 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:2884
        • 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:1224
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe /6-JaffaCakes118
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        PID:384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\rss\csrss.exe

    Filesize

    4.7MB

    MD5

    e2812a76f4d4a86996e6dca725854468

    SHA1

    0cf707b82e9ffea7d969e4e0737ed08c8ebabf8d

    SHA256

    4b04b558793d7255d059baef4fedb14ad94c802b67e4c21d5c60e321851158fc

    SHA512

    1d4215e42929d7c6ee391f25188c0821e3335a0d4844de5264ae0dbc1782d25f9fda9cdc8c54f50a3ee7e6fbc4436bc5221966ce8cb70fa2c842b46861145ce0

  • memory/384-23-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/384-21-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/384-28-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/384-27-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/384-26-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/384-19-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/384-18-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/384-29-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/1748-10-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/1748-9-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/1748-15-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/1748-11-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/3840-4-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/3840-7-0x0000000003950000-0x0000000004020000-memory.dmp

    Filesize

    6.8MB

  • memory/3840-3-0x0000000000400000-0x0000000000AEB000-memory.dmp

    Filesize

    6.9MB

  • memory/3840-1-0x00000000035A0000-0x0000000003946000-memory.dmp

    Filesize

    3.6MB

  • memory/3840-5-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/3840-6-0x0000000000400000-0x0000000000AEB000-memory.dmp

    Filesize

    6.9MB

  • memory/3840-2-0x0000000003950000-0x0000000004020000-memory.dmp

    Filesize

    6.8MB