Analysis
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max time kernel
20s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
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submitted
23/10/2023, 04:58
General
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Target
c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe
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Size
4.1MB
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MD5
b4070bdcc53756e8ffb87bda03ce88b9
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SHA1
410febe394a56d5abcf60f99a92b58468b313093
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SHA256
c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d
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SHA512
2653b07182d29283a7b55daa8d18529d20298c2980e86c482152027c7b2aa2b1b27419b4acb24a17dc75e2a895df2884c53085cf75a0a7145967f13c6ba1c90f
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SSDEEP
98304:sNdvpvx0oD1sAdbHKtGVnIDZNAwfvCYz0aIgKoD6l1Ox5g0Y7lKK5:KvpJrHbwYM7AwfaYzEhtvOw0YN
Malware Config
Signatures
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Glupteba
Glupteba is a modular loader written in Golang with various components.
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Glupteba payload 9 IoCs
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Windows security bypass 2 TTPs 7 IoCs
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Modifies Windows Firewall 1 TTPs 1 IoCs
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 9 IoCs
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Windows security modification 2 TTPs 7 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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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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Creates scheduled task(s) 1 TTPs 1 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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Modifies system certificate store 2 TTPs 7 IoCs
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Suspicious behavior: EnumeratesProcesses 9 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 15 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\c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe"C:\Users\Admin\AppData\Local\Temp\c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe"C:\Users\Admin\AppData\Local\Temp\c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe"2⤵
- Windows security bypass
- Loads dropped DLL
- Windows security modification
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- 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
- Modifies data under HKEY_USERS
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies system certificate store
- 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\patch.exe"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies system certificate store
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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\makecab.exe"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20231023045815.log C:\Windows\Logs\CBS\CbsPersist_20231023045815.cab1⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
61KB
MD5f3441b8572aae8801c04f3060b550443
SHA14ef0a35436125d6821831ef36c28ffaf196cda15
SHA2566720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA5125ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
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Filesize
163KB
MD59441737383d21192400eca82fda910ec
SHA1725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA5127608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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Filesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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Filesize
4.1MB
MD5b4070bdcc53756e8ffb87bda03ce88b9
SHA1410febe394a56d5abcf60f99a92b58468b313093
SHA256c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d
SHA5122653b07182d29283a7b55daa8d18529d20298c2980e86c482152027c7b2aa2b1b27419b4acb24a17dc75e2a895df2884c53085cf75a0a7145967f13c6ba1c90f
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Filesize
4.1MB
MD5b4070bdcc53756e8ffb87bda03ce88b9
SHA1410febe394a56d5abcf60f99a92b58468b313093
SHA256c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d
SHA5122653b07182d29283a7b55daa8d18529d20298c2980e86c482152027c7b2aa2b1b27419b4acb24a17dc75e2a895df2884c53085cf75a0a7145967f13c6ba1c90f
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Filesize
4.1MB
MD5b4070bdcc53756e8ffb87bda03ce88b9
SHA1410febe394a56d5abcf60f99a92b58468b313093
SHA256c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d
SHA5122653b07182d29283a7b55daa8d18529d20298c2980e86c482152027c7b2aa2b1b27419b4acb24a17dc75e2a895df2884c53085cf75a0a7145967f13c6ba1c90f
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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Filesize
1.5MB
MD5f0616fa8bc54ece07e3107057f74e4db
SHA1b33995c4f9a004b7d806c4bb36040ee844781fca
SHA2566e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026
SHA51215242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c
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Filesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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Filesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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Filesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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Filesize
163KB
MD55c399d34d8dc01741269ff1f1aca7554
SHA1e0ceed500d3cef5558f3f55d33ba9c3a709e8f55
SHA256e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f
SHA5128ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d
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Filesize
4.1MB
MD5b4070bdcc53756e8ffb87bda03ce88b9
SHA1410febe394a56d5abcf60f99a92b58468b313093
SHA256c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d
SHA5122653b07182d29283a7b55daa8d18529d20298c2980e86c482152027c7b2aa2b1b27419b4acb24a17dc75e2a895df2884c53085cf75a0a7145967f13c6ba1c90f
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Filesize
4.1MB
MD5b4070bdcc53756e8ffb87bda03ce88b9
SHA1410febe394a56d5abcf60f99a92b58468b313093
SHA256c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d
SHA5122653b07182d29283a7b55daa8d18529d20298c2980e86c482152027c7b2aa2b1b27419b4acb24a17dc75e2a895df2884c53085cf75a0a7145967f13c6ba1c90f
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Filesize
4.0MB
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Filesize
8.9MB
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Filesize
4.0MB
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Filesize
4.0MB
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Filesize
8.9MB
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Filesize
9.1MB
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Filesize
9.1MB
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Filesize
4.0MB
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Filesize
4.0MB
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Filesize
9.1MB
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Filesize
9.1MB
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Filesize
9.1MB
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Filesize
5.9MB
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Filesize
5.9MB
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Filesize
5.9MB
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Filesize
4.0MB
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Filesize
4.0MB
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Filesize
9.1MB
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Filesize
9.1MB