Analysis
-
max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
-
submitted
28-01-2023 09:42
General
-
Target
6d77339c0030a44f052f6b0a8dbf1ff7568e176b964f4bdc54fda85dee4607be.exe
-
Size
4.1MB
-
MD5
ff27aed787b0e56a95d9725272ee63c6
-
SHA1
37193a3ba6ae65ce14b905d9bf49c1db3293a33a
-
SHA256
6d77339c0030a44f052f6b0a8dbf1ff7568e176b964f4bdc54fda85dee4607be
-
SHA512
a4b582e3a89fe5af0e5042596a6c6255e4b14fb505d949f2023d573fbf2d93838dd6252e80936a0d522f7c3047353392ded91e8da02f89cce910f4276925a760
-
SSDEEP
98304:pUn0bsL04r/WkPq0cUUJkYicz30DNseF0giX/JUOkMKr:cp4oWN0F3Vcz3afF0gg/XK
Malware Config
Signatures
-
Glupteba
Glupteba is a modular loader written in Golang with various components.
-
Suspicious use of NtCreateUserProcessOtherParentProcess 6 IoCs
-
Executes dropped EXE 3 IoCs
-
Modifies Windows Firewall 1 TTPs 1 IoCs
-
UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
-
Adds Run key to start application 2 TTPs 2 IoCs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
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 64 IoCs
-
Suspicious use of AdjustPrivilegeToken 25 IoCs
-
Suspicious use of WriteProcessMemory 25 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6d77339c0030a44f052f6b0a8dbf1ff7568e176b964f4bdc54fda85dee4607be.exe"C:\Users\Admin\AppData\Local\Temp\6d77339c0030a44f052f6b0a8dbf1ff7568e176b964f4bdc54fda85dee4607be.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\6d77339c0030a44f052f6b0a8dbf1ff7568e176b964f4bdc54fda85dee4607be.exe"C:\Users\Admin\AppData\Local\Temp\6d77339c0030a44f052f6b0a8dbf1ff7568e176b964f4bdc54fda85dee4607be.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
-
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
-
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- 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⤵
- Creates scheduled task(s)
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
-
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
-
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\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵
-
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
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeFilesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
-
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeFilesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
-
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\rss\csrss.exeFilesize
4.1MB
MD5ff27aed787b0e56a95d9725272ee63c6
SHA137193a3ba6ae65ce14b905d9bf49c1db3293a33a
SHA2566d77339c0030a44f052f6b0a8dbf1ff7568e176b964f4bdc54fda85dee4607be
SHA512a4b582e3a89fe5af0e5042596a6c6255e4b14fb505d949f2023d573fbf2d93838dd6252e80936a0d522f7c3047353392ded91e8da02f89cce910f4276925a760
-
C:\Windows\rss\csrss.exeFilesize
4.1MB
MD5ff27aed787b0e56a95d9725272ee63c6
SHA137193a3ba6ae65ce14b905d9bf49c1db3293a33a
SHA2566d77339c0030a44f052f6b0a8dbf1ff7568e176b964f4bdc54fda85dee4607be
SHA512a4b582e3a89fe5af0e5042596a6c6255e4b14fb505d949f2023d573fbf2d93838dd6252e80936a0d522f7c3047353392ded91e8da02f89cce910f4276925a760
-
memory/1320-139-0x0000000000000000-mapping.dmp
-
memory/1408-158-0x0000000000400000-0x0000000000C25000-memory.dmpFilesize
8.1MB
-
memory/1408-155-0x0000000000000000-mapping.dmp
-
memory/1440-135-0x0000000000000000-mapping.dmp
-
memory/1440-141-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1440-140-0x0000000002A8A000-0x0000000002E73000-memory.dmpFilesize
3.9MB
-
memory/1440-145-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1708-146-0x0000000000000000-mapping.dmp
-
memory/1944-153-0x0000000000000000-mapping.dmp
-
memory/2084-147-0x0000000000000000-mapping.dmp
-
memory/2220-160-0x0000000000000000-mapping.dmp
-
memory/2776-138-0x0000000000000000-mapping.dmp
-
memory/3016-161-0x0000000000000000-mapping.dmp
-
memory/4084-136-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4084-132-0x0000000002BCE000-0x0000000002FB7000-memory.dmpFilesize
3.9MB
-
memory/4084-133-0x0000000002FC0000-0x0000000003837000-memory.dmpFilesize
8.5MB
-
memory/4084-134-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4084-137-0x0000000002FC0000-0x0000000003837000-memory.dmpFilesize
8.5MB
-
memory/4144-142-0x0000000000000000-mapping.dmp
-
memory/4144-154-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4144-159-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4144-149-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4144-148-0x0000000002E00000-0x00000000031E9000-memory.dmpFilesize
3.9MB
-
memory/4472-150-0x0000000000000000-mapping.dmp