Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
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submitted
27-01-2023 20:17
General
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Target
3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
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Size
4.1MB
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MD5
5e995dec2c74d50812aceea4de782f51
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SHA1
128710317ac7b528030236488b529fe8063a6e8a
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SHA256
3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21
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SHA512
fc4db5c1a1db19990e6e169f546651f53ef85e9cfa1d0b386a34501299bc7f06b8df6db59cf95df3d49c687f7f89c37772cc11fc52c3e070efa89d40037ec8cd
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SSDEEP
98304:hRw5XPUe62fG7d7Rik3k6ckpmwz5Om7s4kk4cXF15DFwPVf:hR076J7ddik3Vjv44Z4cX75Ef
Malware Config
Signatures
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Glupteba
Glupteba is a modular loader written in Golang with various components.
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Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
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Executes dropped EXE 3 IoCs
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Modifies Windows Firewall 1 TTPs 1 IoCs
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UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Adds Run key to start application 2 TTPs 2 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
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Drops file in Windows directory 2 IoCs
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 64 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 17 IoCs
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Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe"C:\Users\Admin\AppData\Local\Temp\3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe"C:\Users\Admin\AppData\Local\Temp\3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe"2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- 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
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- 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⤵
- Creates scheduled task(s)
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
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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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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
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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
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.7MB
MD5f5492328c250c42e2c53c8431742eafe
SHA169618d03089d1df065ea09ab5704ad806875d1e5
SHA2562d8ec854f47197242530a5deddcbd8528ca1aef4aeb14b62d65b6cde24668bac
SHA512eacf117596aa95f7a8862dc256ee6ce49caba5b5f9d839ad643fb4498e590bb5b6f8a86491452b5dc143142de08cac8a06899dc6a9df2f01870969bf26ecc6ad
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
4.1MB
MD55e995dec2c74d50812aceea4de782f51
SHA1128710317ac7b528030236488b529fe8063a6e8a
SHA2563e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21
SHA512fc4db5c1a1db19990e6e169f546651f53ef85e9cfa1d0b386a34501299bc7f06b8df6db59cf95df3d49c687f7f89c37772cc11fc52c3e070efa89d40037ec8cd
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Filesize
4.1MB
MD55e995dec2c74d50812aceea4de782f51
SHA1128710317ac7b528030236488b529fe8063a6e8a
SHA2563e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21
SHA512fc4db5c1a1db19990e6e169f546651f53ef85e9cfa1d0b386a34501299bc7f06b8df6db59cf95df3d49c687f7f89c37772cc11fc52c3e070efa89d40037ec8cd
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Filesize
8.6MB
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Filesize
3.9MB
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Filesize
8.6MB
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Filesize
3.9MB
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Filesize
8.6MB
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Filesize
8.6MB
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Filesize
3.9MB
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Filesize
8.6MB
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Filesize
8.6MB
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Filesize
8.5MB