Analysis
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max time kernel
130s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2023 13:46
Static task
static1
Behavioral task
behavioral1
Sample
c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe
Resource
win10v2004-20230915-en
General
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Target
c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe
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Size
692KB
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MD5
f0683bb61a43a8dd7061dbd8ee3af88b
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SHA1
c94587218dc3ce9bd66e7ebe23c720ca50afd989
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SHA256
c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff
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SHA512
7bc496ee73cbc6d5fa86edde2154c50cdc2aedc50fb98f368fecb30294888e1a59ec507d23a4b5b4ab2dee5dad22ea868caaea2e1b56d7e76f70b57567a5e2d7
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SSDEEP
12288:x8avfjKnHHYHq03Lytq3SRlW5cY26RTTmsp2TDNJ0/el69Q01ZLkrai9i+Plb5py:x8ef8HCbB2W57/TTmq2TDNJ0mM9NipgH
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 1 IoCs
Processes:
resource yara_rule behavioral2/memory/916-18-0x0000000000400000-0x0000000000424000-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 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exesvchost.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe Key value queried \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 4120 svchost.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_regbrowsers.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_regbrowsers.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_regbrowsers.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_regbrowsers.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\"" c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.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 35 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
svchost.exedescription pid process target process PID 4120 set thread context of 916 4120 svchost.exe aspnet_regbrowsers.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 4376 timeout.exe -
Suspicious behavior: EnumeratesProcesses 27 IoCs
Processes:
c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exeaspnet_regbrowsers.exepowershell.exepid process 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe 916 aspnet_regbrowsers.exe 2196 powershell.exe 2196 powershell.exe 916 aspnet_regbrowsers.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exesvchost.exeaspnet_regbrowsers.exepowershell.exedescription pid process Token: SeDebugPrivilege 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe Token: SeDebugPrivilege 4120 svchost.exe Token: SeDebugPrivilege 916 aspnet_regbrowsers.exe Token: SeDebugPrivilege 2196 powershell.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.execmd.execmd.exesvchost.exedescription pid process target process PID 3400 wrote to memory of 5032 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe cmd.exe PID 3400 wrote to memory of 5032 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe cmd.exe PID 3400 wrote to memory of 5032 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe cmd.exe PID 3400 wrote to memory of 2932 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe cmd.exe PID 3400 wrote to memory of 2932 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe cmd.exe PID 3400 wrote to memory of 2932 3400 c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe cmd.exe PID 2932 wrote to memory of 4376 2932 cmd.exe timeout.exe PID 2932 wrote to memory of 4376 2932 cmd.exe timeout.exe PID 2932 wrote to memory of 4376 2932 cmd.exe timeout.exe PID 5032 wrote to memory of 4832 5032 cmd.exe schtasks.exe PID 5032 wrote to memory of 4832 5032 cmd.exe schtasks.exe PID 5032 wrote to memory of 4832 5032 cmd.exe schtasks.exe PID 2932 wrote to memory of 4120 2932 cmd.exe svchost.exe PID 2932 wrote to memory of 4120 2932 cmd.exe svchost.exe PID 2932 wrote to memory of 4120 2932 cmd.exe svchost.exe PID 4120 wrote to memory of 2196 4120 svchost.exe powershell.exe PID 4120 wrote to memory of 2196 4120 svchost.exe powershell.exe PID 4120 wrote to memory of 2196 4120 svchost.exe powershell.exe PID 4120 wrote to memory of 916 4120 svchost.exe aspnet_regbrowsers.exe PID 4120 wrote to memory of 916 4120 svchost.exe aspnet_regbrowsers.exe PID 4120 wrote to memory of 916 4120 svchost.exe aspnet_regbrowsers.exe PID 4120 wrote to memory of 916 4120 svchost.exe aspnet_regbrowsers.exe PID 4120 wrote to memory of 916 4120 svchost.exe aspnet_regbrowsers.exe PID 4120 wrote to memory of 916 4120 svchost.exe aspnet_regbrowsers.exe PID 4120 wrote to memory of 916 4120 svchost.exe aspnet_regbrowsers.exe PID 4120 wrote to memory of 916 4120 svchost.exe aspnet_regbrowsers.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_regbrowsers.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_regbrowsers.exe -
outlook_win_path 1 IoCs
Processes:
aspnet_regbrowsers.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_regbrowsers.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe"C:\Users\Admin\AppData\Local\Temp\c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3400 -
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:5032 -
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:4832 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCDC0.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:4376 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4120 -
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:2196 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"4⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:916
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
151B
MD516d34380588b9069eb4c33a1bfdde381
SHA1a622fc3e0726dc009552d5856b0c38a49a499bf0
SHA2562d3653a9875372253d22e97efdc4aaa27a9c1f28b641ca9e4f907d1f108c50a4
SHA51226339f828d6cee3451589d07250f0991ec46cea37b6dea16b08a604d00e74e54ce4546d70f022336012f841fe73e70175d85dcfa556eea53b778b0998d4cb889
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Filesize
692KB
MD5f0683bb61a43a8dd7061dbd8ee3af88b
SHA1c94587218dc3ce9bd66e7ebe23c720ca50afd989
SHA256c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff
SHA5127bc496ee73cbc6d5fa86edde2154c50cdc2aedc50fb98f368fecb30294888e1a59ec507d23a4b5b4ab2dee5dad22ea868caaea2e1b56d7e76f70b57567a5e2d7
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Filesize
692KB
MD5f0683bb61a43a8dd7061dbd8ee3af88b
SHA1c94587218dc3ce9bd66e7ebe23c720ca50afd989
SHA256c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff
SHA5127bc496ee73cbc6d5fa86edde2154c50cdc2aedc50fb98f368fecb30294888e1a59ec507d23a4b5b4ab2dee5dad22ea868caaea2e1b56d7e76f70b57567a5e2d7