Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
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submitted
01-02-2023 06:05
General
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Target
9420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a.exe
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Size
4.1MB
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MD5
7365dbb144429e78f9ea08fe7b239a32
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SHA1
3f9589e4d9c203346facbebcd48984c2db87d776
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SHA256
9420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a
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SHA512
a328cad827da1fe90facf5da96c92d7bce1260fcb6e577dc3f88364d240675c5c3d2d800a7e1ec18c3d7051d87c236ab66385890bfc6c02755fab601bbf13f2c
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SSDEEP
98304:tQ5RaRg3XrWNRbKONOhs9MJlnsBwQGIGFXT:tQ58OHrWWONOhfQGIq
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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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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Suspicious use of SetThreadContext 3 IoCs
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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 48 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\9420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a.exe"C:\Users\Admin\AppData\Local\Temp\9420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a.exe"C:\Users\Admin\AppData\Local\Temp\9420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\9420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a.exe"C:\Users\Admin\AppData\Local\Temp\9420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a.exe"C:\Users\Admin\AppData\Local\Temp\9420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a.exe"4⤵
- 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"5⤵
- 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=yes6⤵
- Modifies Windows Firewall
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe6⤵
- Executes dropped EXE
- Adds Run key to start application
- 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 /F7⤵
- Creates scheduled task(s)
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f7⤵
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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.dll7⤵
- 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 /F7⤵
- Creates scheduled task(s)
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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 Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\rss\csrss.exeFilesize
4.1MB
MD57365dbb144429e78f9ea08fe7b239a32
SHA13f9589e4d9c203346facbebcd48984c2db87d776
SHA2569420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a
SHA512a328cad827da1fe90facf5da96c92d7bce1260fcb6e577dc3f88364d240675c5c3d2d800a7e1ec18c3d7051d87c236ab66385890bfc6c02755fab601bbf13f2c
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C:\Windows\rss\csrss.exeFilesize
4.1MB
MD57365dbb144429e78f9ea08fe7b239a32
SHA13f9589e4d9c203346facbebcd48984c2db87d776
SHA2569420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a
SHA512a328cad827da1fe90facf5da96c92d7bce1260fcb6e577dc3f88364d240675c5c3d2d800a7e1ec18c3d7051d87c236ab66385890bfc6c02755fab601bbf13f2c
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C:\Windows\rss\csrss.exeFilesize
4.1MB
MD57365dbb144429e78f9ea08fe7b239a32
SHA13f9589e4d9c203346facbebcd48984c2db87d776
SHA2569420554813ae352bd372d201a220bcc6790000f7081bf1a7a46ddfd7bbac7d7a
SHA512a328cad827da1fe90facf5da96c92d7bce1260fcb6e577dc3f88364d240675c5c3d2d800a7e1ec18c3d7051d87c236ab66385890bfc6c02755fab601bbf13f2c
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memory/1768-148-0x0000000000000000-mapping.dmp
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memory/2156-146-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2156-152-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2156-141-0x0000000000000000-mapping.dmp
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memory/2436-140-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2436-132-0x0000000000000000-mapping.dmp
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memory/2436-138-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2436-137-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2436-133-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2464-162-0x0000000000000000-mapping.dmp
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memory/2604-147-0x0000000000000000-mapping.dmp
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memory/2632-160-0x0000000000000000-mapping.dmp
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memory/2788-139-0x0000000000000000-mapping.dmp
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memory/2788-144-0x0000000002383000-0x000000000276C000-memory.dmpFilesize
3.9MB
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memory/3208-165-0x0000000000000000-mapping.dmp
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memory/4272-136-0x0000000002A90000-0x0000000003307000-memory.dmpFilesize
8.5MB
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memory/4272-135-0x0000000002697000-0x0000000002A80000-memory.dmpFilesize
3.9MB
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memory/4740-157-0x0000000002A00000-0x0000000002DE9000-memory.dmpFilesize
3.9MB
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memory/4740-149-0x0000000000000000-mapping.dmp
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memory/4800-159-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/4800-153-0x0000000000000000-mapping.dmp
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memory/4800-166-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/5112-161-0x0000000000000000-mapping.dmp