Analysis
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max time kernel
118s -
max time network
171s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
03-10-2023 15:15
Static task
static1
Behavioral task
behavioral1
Sample
dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe
Resource
win10v2004-20230915-en
General
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Target
dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe
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Size
466KB
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MD5
4d5ce0ea9efcb7e3fdb61c32d1626748
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SHA1
5813b82a84f3c3d8f4b5a7af227026fc2c8c7f66
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SHA256
dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625
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SHA512
9739f69426a5c58aca0c4349a65417994376fd436c5cd55f2feaf30f8fe15ea80e6271fcd80f0c70f77b1f171324a11d730248429f55b80f842b8a71f2fe7be1
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SSDEEP
12288:zMYG3l6sMIBJCx6icVkGYJ/Zi/PBs6lD+S:zjGDFkiPB9lD+S
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.gkas.com.tr - Port:
587 - Username:
[email protected] - Password:
Gkasteknik@2022
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2112-26-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2112-28-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2112-31-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
Processes:
svchost.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0" svchost.exe -
Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
Processes:
dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions svchost.exe -
Looks for VMWare Tools registry key 2 TTPs 2 IoCs
Processes:
dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools svchost.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
svchost.exedc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 756 svchost.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 2864 cmd.exe -
Processes:
svchost.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0" svchost.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
aspnet_regsql.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_regsql.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_regsql.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_regsql.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\"" dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe -
Processes:
svchost.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 checkip.dyndns.org -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum svchost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
svchost.exedescription pid process target process PID 756 set thread context of 2112 756 svchost.exe aspnet_regsql.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 656 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exeaspnet_regsql.exepowershell.exepid process 2728 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe 2728 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe 2728 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe 2112 aspnet_regsql.exe 2744 powershell.exe 2112 aspnet_regsql.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exesvchost.exeaspnet_regsql.exepowershell.exedescription pid process Token: SeDebugPrivilege 2728 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe Token: SeDebugPrivilege 756 svchost.exe Token: SeDebugPrivilege 2112 aspnet_regsql.exe Token: SeDebugPrivilege 2744 powershell.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.execmd.execmd.exesvchost.exedescription pid process target process PID 2728 wrote to memory of 2452 2728 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe cmd.exe PID 2728 wrote to memory of 2452 2728 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe cmd.exe PID 2728 wrote to memory of 2452 2728 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe cmd.exe PID 2728 wrote to memory of 2452 2728 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe cmd.exe PID 2728 wrote to memory of 2864 2728 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe cmd.exe PID 2728 wrote to memory of 2864 2728 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe cmd.exe PID 2728 wrote to memory of 2864 2728 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe cmd.exe PID 2728 wrote to memory of 2864 2728 dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe cmd.exe PID 2452 wrote to memory of 1156 2452 cmd.exe schtasks.exe PID 2452 wrote to memory of 1156 2452 cmd.exe schtasks.exe PID 2452 wrote to memory of 1156 2452 cmd.exe schtasks.exe PID 2452 wrote to memory of 1156 2452 cmd.exe schtasks.exe PID 2864 wrote to memory of 656 2864 cmd.exe timeout.exe PID 2864 wrote to memory of 656 2864 cmd.exe timeout.exe PID 2864 wrote to memory of 656 2864 cmd.exe timeout.exe PID 2864 wrote to memory of 656 2864 cmd.exe timeout.exe PID 2864 wrote to memory of 756 2864 cmd.exe svchost.exe PID 2864 wrote to memory of 756 2864 cmd.exe svchost.exe PID 2864 wrote to memory of 756 2864 cmd.exe svchost.exe PID 2864 wrote to memory of 756 2864 cmd.exe svchost.exe PID 756 wrote to memory of 2744 756 svchost.exe powershell.exe PID 756 wrote to memory of 2744 756 svchost.exe powershell.exe PID 756 wrote to memory of 2744 756 svchost.exe powershell.exe PID 756 wrote to memory of 2744 756 svchost.exe powershell.exe PID 756 wrote to memory of 2112 756 svchost.exe aspnet_regsql.exe PID 756 wrote to memory of 2112 756 svchost.exe aspnet_regsql.exe PID 756 wrote to memory of 2112 756 svchost.exe aspnet_regsql.exe PID 756 wrote to memory of 2112 756 svchost.exe aspnet_regsql.exe PID 756 wrote to memory of 2112 756 svchost.exe aspnet_regsql.exe PID 756 wrote to memory of 2112 756 svchost.exe aspnet_regsql.exe PID 756 wrote to memory of 2112 756 svchost.exe aspnet_regsql.exe PID 756 wrote to memory of 2112 756 svchost.exe aspnet_regsql.exe PID 756 wrote to memory of 2112 756 svchost.exe aspnet_regsql.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
outlook_office_path 1 IoCs
Processes:
aspnet_regsql.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_regsql.exe -
outlook_win_path 1 IoCs
Processes:
aspnet_regsql.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_regsql.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe"C:\Users\Admin\AppData\Local\Temp\dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625_JC.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2452 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'3⤵
- Creates scheduled task(s)
PID:1156 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpE189.tmp.bat""2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:656 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- UAC bypass
- Windows security bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:756 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2744 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regsql.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regsql.exe"4⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2112
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
5Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
151B
MD53e03d7d4bce17e6af8b0fdb264738057
SHA16bdf12b747eebc883964ac95c8b098d150cca3e1
SHA2566317a6e17609ac700b996ffa6728b3cf82005569e025de73fdf42fca3b9e3077
SHA512fcb72a81bddeaef0f79ae21c2c7bfdd6e333a10599aee7cfaeeff4bf6a37218785729404da0c3b4f15f4fce1700d49877eabdde31a3e48ac339444d291e8eb2c
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Filesize
151B
MD53e03d7d4bce17e6af8b0fdb264738057
SHA16bdf12b747eebc883964ac95c8b098d150cca3e1
SHA2566317a6e17609ac700b996ffa6728b3cf82005569e025de73fdf42fca3b9e3077
SHA512fcb72a81bddeaef0f79ae21c2c7bfdd6e333a10599aee7cfaeeff4bf6a37218785729404da0c3b4f15f4fce1700d49877eabdde31a3e48ac339444d291e8eb2c
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Filesize
466KB
MD54d5ce0ea9efcb7e3fdb61c32d1626748
SHA15813b82a84f3c3d8f4b5a7af227026fc2c8c7f66
SHA256dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625
SHA5129739f69426a5c58aca0c4349a65417994376fd436c5cd55f2feaf30f8fe15ea80e6271fcd80f0c70f77b1f171324a11d730248429f55b80f842b8a71f2fe7be1
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Filesize
466KB
MD54d5ce0ea9efcb7e3fdb61c32d1626748
SHA15813b82a84f3c3d8f4b5a7af227026fc2c8c7f66
SHA256dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625
SHA5129739f69426a5c58aca0c4349a65417994376fd436c5cd55f2feaf30f8fe15ea80e6271fcd80f0c70f77b1f171324a11d730248429f55b80f842b8a71f2fe7be1
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Filesize
466KB
MD54d5ce0ea9efcb7e3fdb61c32d1626748
SHA15813b82a84f3c3d8f4b5a7af227026fc2c8c7f66
SHA256dc5e498d5465b93688dd366c5661cb624456b0982928c3778845b5d640ebf625
SHA5129739f69426a5c58aca0c4349a65417994376fd436c5cd55f2feaf30f8fe15ea80e6271fcd80f0c70f77b1f171324a11d730248429f55b80f842b8a71f2fe7be1