Analysis
-
max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
-
submitted
05-10-2024 04:26
General
-
Target
16264c8bbbe55d97bcbfe401a87a3cc5_JaffaCakes118.exe
-
Size
4.5MB
-
MD5
16264c8bbbe55d97bcbfe401a87a3cc5
-
SHA1
d123ae00c2b877b48a339522d192090126e6be36
-
SHA256
a8647cfb02a8b8c077fb4285357c29f58afb1a8ffff6da199e6a3887030869fd
-
SHA512
00d5da91ee24542b6e0f1da46cebc986f2d8e32fbf5264660fd80533c7f78667e69a0425b68c47a1df2742421656558317bd7f147501ca5bb8df4ef3db1a02ce
-
SSDEEP
98304:osvPUk14CA3Y6nyp7kxUHFnGHPEVLo/23fSSt4:odk14Rnyp7kxUh0P+LqC4
Malware Config
Extracted
metasploit
windows/single_exec
Signatures
-
Glupteba
Glupteba is a modular loader written in Golang with various components.
-
Glupteba payload 20 IoCs
-
MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
-
Modifies Windows Firewall 2 TTPs 1 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.
-
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 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.
-
Program crash 1 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.
-
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
-
Modifies data under HKEY_USERS 64 IoCs
-
Modifies system certificate store 2 TTPs 3 IoCs
-
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
-
Suspicious use of AdjustPrivilegeToken 4 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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\16264c8bbbe55d97bcbfe401a87a3cc5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\16264c8bbbe55d97bcbfe401a87a3cc5_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\16264c8bbbe55d97bcbfe401a87a3cc5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\16264c8bbbe55d97bcbfe401a87a3cc5_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
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\cmd.exeC:\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
-
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
-
-
-
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe /188-1883⤵
- Executes dropped EXE
- Manipulates WinMonFS driver.
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 8482⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3440 -ip 34401⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
Filesize
4.5MB
MD516264c8bbbe55d97bcbfe401a87a3cc5
SHA1d123ae00c2b877b48a339522d192090126e6be36
SHA256a8647cfb02a8b8c077fb4285357c29f58afb1a8ffff6da199e6a3887030869fd
SHA51200d5da91ee24542b6e0f1da46cebc986f2d8e32fbf5264660fd80533c7f78667e69a0425b68c47a1df2742421656558317bd7f147501ca5bb8df4ef3db1a02ce
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
4.2MB
-
Filesize
9.1MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.1MB
-
Filesize
9.3MB
-
Filesize
9.3MB
-
Filesize
9.3MB