Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
29-09-2023 11:30
Static task
static1
Behavioral task
behavioral1
Sample
Hesap_Hareketleri__20230929_194202031.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Hesap_Hareketleri__20230929_194202031.exe
Resource
win10v2004-20230915-en
General
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Target
Hesap_Hareketleri__20230929_194202031.exe
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Size
595KB
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MD5
816c7761599a4e2b666d2e47e380c615
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SHA1
6e1de32829fce91c28e24f42972575ba4803318c
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SHA256
10979714162c9b426a7e9b2e14a582b03b4153bdf3cbce775b69b505a2463cd0
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SHA512
e242b3b046c32feeedfcf493683daef8c6647447e7cb35b1f96f87f87f96ff752890764bb1cfeed13c72906da075ca0dc009600191510927df648faec4d063f5
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SSDEEP
12288:bJFl3t6SU4VbiQQoiu6dqHnqczOYhT9/yLhUQ8vFheac4FdKwJ4mAp:Dl9aMb6okqHuQaL89VcSgwKp
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/2644-20-0x0000000000400000-0x0000000000424000-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:
svchost.exeHesap_Hareketleri__20230929_194202031.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions svchost.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions Hesap_Hareketleri__20230929_194202031.exe -
Looks for VMWare Tools registry key 2 TTPs 2 IoCs
Processes:
Hesap_Hareketleri__20230929_194202031.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools Hesap_Hareketleri__20230929_194202031.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:
Hesap_Hareketleri__20230929_194202031.exesvchost.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Hesap_Hareketleri__20230929_194202031.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Hesap_Hareketleri__20230929_194202031.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Hesap_Hareketleri__20230929_194202031.exesvchost.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation Hesap_Hareketleri__20230929_194202031.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 4900 svchost.exe -
Processes:
svchost.exedescription ioc process 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 Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths svchost.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Hesap_Hareketleri__20230929_194202031.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\"" Hesap_Hareketleri__20230929_194202031.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 32 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:
Hesap_Hareketleri__20230929_194202031.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Hesap_Hareketleri__20230929_194202031.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 Hesap_Hareketleri__20230929_194202031.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 4900 set thread context of 2644 4900 svchost.exe RegSvcs.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 4856 timeout.exe -
Suspicious behavior: EnumeratesProcesses 27 IoCs
Processes:
Hesap_Hareketleri__20230929_194202031.exeRegSvcs.exepowershell.exepid process 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 4604 Hesap_Hareketleri__20230929_194202031.exe 2644 RegSvcs.exe 1628 powershell.exe 1628 powershell.exe 2644 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Hesap_Hareketleri__20230929_194202031.exesvchost.exeRegSvcs.exepowershell.exedescription pid process Token: SeDebugPrivilege 4604 Hesap_Hareketleri__20230929_194202031.exe Token: SeDebugPrivilege 4900 svchost.exe Token: SeDebugPrivilege 2644 RegSvcs.exe Token: SeDebugPrivilege 1628 powershell.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
Hesap_Hareketleri__20230929_194202031.execmd.execmd.exesvchost.exedescription pid process target process PID 4604 wrote to memory of 1572 4604 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 4604 wrote to memory of 1572 4604 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 4604 wrote to memory of 1572 4604 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 4604 wrote to memory of 4652 4604 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 4604 wrote to memory of 4652 4604 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 4604 wrote to memory of 4652 4604 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 1572 wrote to memory of 4004 1572 cmd.exe schtasks.exe PID 1572 wrote to memory of 4004 1572 cmd.exe schtasks.exe PID 1572 wrote to memory of 4004 1572 cmd.exe schtasks.exe PID 4652 wrote to memory of 4856 4652 cmd.exe timeout.exe PID 4652 wrote to memory of 4856 4652 cmd.exe timeout.exe PID 4652 wrote to memory of 4856 4652 cmd.exe timeout.exe PID 4652 wrote to memory of 4900 4652 cmd.exe svchost.exe PID 4652 wrote to memory of 4900 4652 cmd.exe svchost.exe PID 4652 wrote to memory of 4900 4652 cmd.exe svchost.exe PID 4900 wrote to memory of 1628 4900 svchost.exe powershell.exe PID 4900 wrote to memory of 1628 4900 svchost.exe powershell.exe PID 4900 wrote to memory of 1628 4900 svchost.exe powershell.exe PID 4900 wrote to memory of 2644 4900 svchost.exe RegSvcs.exe PID 4900 wrote to memory of 2644 4900 svchost.exe RegSvcs.exe PID 4900 wrote to memory of 2644 4900 svchost.exe RegSvcs.exe PID 4900 wrote to memory of 2644 4900 svchost.exe RegSvcs.exe PID 4900 wrote to memory of 2644 4900 svchost.exe RegSvcs.exe PID 4900 wrote to memory of 2644 4900 svchost.exe RegSvcs.exe PID 4900 wrote to memory of 2644 4900 svchost.exe RegSvcs.exe PID 4900 wrote to memory of 2644 4900 svchost.exe RegSvcs.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:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.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 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri__20230929_194202031.exe"C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri__20230929_194202031.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4604 -
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:1572 -
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:4004 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8CCF.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:4856 -
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
- Checks computer location settings
- 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:4900 -
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:1628 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"4⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2644
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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
151B
MD5d80c7ebd6ba458e29507c4ea8136056d
SHA13a302933490675a3f6c92d6689a5c14458483716
SHA256eb1e2cf733111883568ef31765dc069cc4222bb4348b2729167d44b0f2be823e
SHA512655af5f7df5acf9513209a1451c4913598836069ef89f2008a08d1177947f8b9d676fb5c4798f173b14ea1539107e1f27f5a38336acd36137704dc4a57a47638
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Filesize
595KB
MD5816c7761599a4e2b666d2e47e380c615
SHA16e1de32829fce91c28e24f42972575ba4803318c
SHA25610979714162c9b426a7e9b2e14a582b03b4153bdf3cbce775b69b505a2463cd0
SHA512e242b3b046c32feeedfcf493683daef8c6647447e7cb35b1f96f87f87f96ff752890764bb1cfeed13c72906da075ca0dc009600191510927df648faec4d063f5
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Filesize
595KB
MD5816c7761599a4e2b666d2e47e380c615
SHA16e1de32829fce91c28e24f42972575ba4803318c
SHA25610979714162c9b426a7e9b2e14a582b03b4153bdf3cbce775b69b505a2463cd0
SHA512e242b3b046c32feeedfcf493683daef8c6647447e7cb35b1f96f87f87f96ff752890764bb1cfeed13c72906da075ca0dc009600191510927df648faec4d063f5