Analysis
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max time kernel
119s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
02-10-2023 15:28
Static task
static1
Behavioral task
behavioral1
Sample
30082023.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
30082023.exe
Resource
win10v2004-20230915-en
General
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Target
30082023.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/1392-32-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/1392-35-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/1392-37-0x0000000000400000-0x0000000000424000-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:
30082023.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions 30082023.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions svchost.exe -
Looks for VMWare Tools registry key 2 TTPs 2 IoCs
Processes:
30082023.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools 30082023.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:
30082023.exesvchost.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 30082023.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 30082023.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 2892 svchost.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 2464 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:
AppLaunch.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
30082023.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\"" 30082023.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:
30082023.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 30082023.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 30082023.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 2892 set thread context of 1392 2892 svchost.exe AppLaunch.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 2168 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
30082023.exepowershell.exeAppLaunch.exepid process 2996 30082023.exe 2996 30082023.exe 2996 30082023.exe 1436 powershell.exe 1392 AppLaunch.exe 1392 AppLaunch.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
30082023.exesvchost.exepowershell.exeAppLaunch.exedescription pid process Token: SeDebugPrivilege 2996 30082023.exe Token: SeDebugPrivilege 2892 svchost.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeDebugPrivilege 1392 AppLaunch.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
30082023.execmd.execmd.exesvchost.exedescription pid process target process PID 2996 wrote to memory of 2592 2996 30082023.exe cmd.exe PID 2996 wrote to memory of 2592 2996 30082023.exe cmd.exe PID 2996 wrote to memory of 2592 2996 30082023.exe cmd.exe PID 2996 wrote to memory of 2592 2996 30082023.exe cmd.exe PID 2996 wrote to memory of 2464 2996 30082023.exe cmd.exe PID 2996 wrote to memory of 2464 2996 30082023.exe cmd.exe PID 2996 wrote to memory of 2464 2996 30082023.exe cmd.exe PID 2996 wrote to memory of 2464 2996 30082023.exe cmd.exe PID 2592 wrote to memory of 2120 2592 cmd.exe schtasks.exe PID 2592 wrote to memory of 2120 2592 cmd.exe schtasks.exe PID 2592 wrote to memory of 2120 2592 cmd.exe schtasks.exe PID 2592 wrote to memory of 2120 2592 cmd.exe schtasks.exe PID 2464 wrote to memory of 2168 2464 cmd.exe timeout.exe PID 2464 wrote to memory of 2168 2464 cmd.exe timeout.exe PID 2464 wrote to memory of 2168 2464 cmd.exe timeout.exe PID 2464 wrote to memory of 2168 2464 cmd.exe timeout.exe PID 2464 wrote to memory of 2892 2464 cmd.exe svchost.exe PID 2464 wrote to memory of 2892 2464 cmd.exe svchost.exe PID 2464 wrote to memory of 2892 2464 cmd.exe svchost.exe PID 2464 wrote to memory of 2892 2464 cmd.exe svchost.exe PID 2892 wrote to memory of 1436 2892 svchost.exe powershell.exe PID 2892 wrote to memory of 1436 2892 svchost.exe powershell.exe PID 2892 wrote to memory of 1436 2892 svchost.exe powershell.exe PID 2892 wrote to memory of 1436 2892 svchost.exe powershell.exe PID 2892 wrote to memory of 1392 2892 svchost.exe AppLaunch.exe PID 2892 wrote to memory of 1392 2892 svchost.exe AppLaunch.exe PID 2892 wrote to memory of 1392 2892 svchost.exe AppLaunch.exe PID 2892 wrote to memory of 1392 2892 svchost.exe AppLaunch.exe PID 2892 wrote to memory of 1392 2892 svchost.exe AppLaunch.exe PID 2892 wrote to memory of 1392 2892 svchost.exe AppLaunch.exe PID 2892 wrote to memory of 1392 2892 svchost.exe AppLaunch.exe PID 2892 wrote to memory of 1392 2892 svchost.exe AppLaunch.exe PID 2892 wrote to memory of 1392 2892 svchost.exe AppLaunch.exe PID 2892 wrote to memory of 1392 2892 svchost.exe AppLaunch.exe PID 2892 wrote to memory of 1392 2892 svchost.exe AppLaunch.exe PID 2892 wrote to memory of 1392 2892 svchost.exe AppLaunch.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:
AppLaunch.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
Processes:
AppLaunch.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 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\30082023.exe"C:\Users\Admin\AppData\Local\Temp\30082023.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:2996 -
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:2592 -
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:2120 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp6F47.tmp.bat""2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2168 -
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:2892 -
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:1436 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1392
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
MD50a3844f6dddf28a61a7e952d7e8cc14c
SHA1f9ac924a76e5f0aa417d5d211321b4fc58ecd40a
SHA2563cc39b76435bfae24ba071dccbf2c25844273cf49554b74e97e44dbc309f1f22
SHA5125d205650ae5b42991a26fc1c3d9d679aa46201c89d144507286e798d5210a4dd6a48ff0ee337b20911081303d12369a68afe6a0233653a230250dedc75accb08
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Filesize
151B
MD50a3844f6dddf28a61a7e952d7e8cc14c
SHA1f9ac924a76e5f0aa417d5d211321b4fc58ecd40a
SHA2563cc39b76435bfae24ba071dccbf2c25844273cf49554b74e97e44dbc309f1f22
SHA5125d205650ae5b42991a26fc1c3d9d679aa46201c89d144507286e798d5210a4dd6a48ff0ee337b20911081303d12369a68afe6a0233653a230250dedc75accb08
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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