Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
04-10-2024 20:21
General
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Target
3319bf14669d89a921dd29bdc4ba88df47e41a6e5fd58c2fa6e00cd01e935ffe.exe
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Size
4.5MB
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MD5
c8d904e8b9bcdff50072f716da4689ba
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SHA1
9d13f1667ec065188dd92082efa3427d5ade85ee
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SHA256
3319bf14669d89a921dd29bdc4ba88df47e41a6e5fd58c2fa6e00cd01e935ffe
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SHA512
b3bf4bb6ae4cce5e073005058d2e87f91f113a93b50700765a0858aed21e424543342061235bbcfde9692137153e71f3a1eaa8bc7df3861a2da365c6e4edabc5
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SSDEEP
98304:E7KyqAxjvnZDgnWvJZAntdigmqBS+5iphMZhi9305ttwac:E9qyjvdgW8daL+5CwhL5oac
Malware Config
Extracted
metasploit
windows/single_exec
Signatures
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Glupteba
Glupteba is a modular loader written in Golang with various components.
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Glupteba payload 20 IoCs
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Modifies Windows Firewall 2 TTPs 1 IoCs
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Executes dropped EXE 2 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
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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.
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Drops file in Windows directory 2 IoCs
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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.
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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.
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GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
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Modifies data under HKEY_USERS 64 IoCs
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Modifies system certificate store 2 TTPs 3 IoCs
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
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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
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C:\Users\Admin\AppData\Local\Temp\3319bf14669d89a921dd29bdc4ba88df47e41a6e5fd58c2fa6e00cd01e935ffe.exe"C:\Users\Admin\AppData\Local\Temp\3319bf14669d89a921dd29bdc4ba88df47e41a6e5fd58c2fa6e00cd01e935ffe.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\3319bf14669d89a921dd29bdc4ba88df47e41a6e5fd58c2fa6e00cd01e935ffe.exe"C:\Users\Admin\AppData\Local\Temp\3319bf14669d89a921dd29bdc4ba88df47e41a6e5fd58c2fa6e00cd01e935ffe.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
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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
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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
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C:\Windows\rss\csrss.exeC:\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
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
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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
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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
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
4.5MB
MD5c8d904e8b9bcdff50072f716da4689ba
SHA19d13f1667ec065188dd92082efa3427d5ade85ee
SHA2563319bf14669d89a921dd29bdc4ba88df47e41a6e5fd58c2fa6e00cd01e935ffe
SHA512b3bf4bb6ae4cce5e073005058d2e87f91f113a93b50700765a0858aed21e424543342061235bbcfde9692137153e71f3a1eaa8bc7df3861a2da365c6e4edabc5
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
9.3MB
-
Filesize
9.3MB
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
4.3MB
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Filesize
9.1MB
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Filesize
9.3MB
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Filesize
9.1MB
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
9.3MB