Analysis
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max time kernel
119s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
29-09-2023 11:29
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 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2740-25-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2740-29-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2740-27-0x0000000000400000-0x0000000000424000-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:
Hesap_Hareketleri__20230929_194202031.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions Hesap_Hareketleri__20230929_194202031.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions svchost.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 -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 2980 svchost.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 1128 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:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\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-1-5-21-3185155662-718608226-894467740-1000\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 2 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:
svchost.exeHesap_Hareketleri__20230929_194202031.exedescription ioc process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 svchost.exe 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 -
Suspicious use of SetThreadContext 1 IoCs
Processes:
svchost.exedescription pid process target process PID 2980 set thread context of 2740 2980 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 2496 timeout.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
Hesap_Hareketleri__20230929_194202031.exesvchost.exeRegSvcs.exepowershell.exepid process 2196 Hesap_Hareketleri__20230929_194202031.exe 2196 Hesap_Hareketleri__20230929_194202031.exe 2980 svchost.exe 2980 svchost.exe 2740 RegSvcs.exe 1896 powershell.exe 2740 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Hesap_Hareketleri__20230929_194202031.exesvchost.exeRegSvcs.exepowershell.exedescription pid process Token: SeDebugPrivilege 2196 Hesap_Hareketleri__20230929_194202031.exe Token: SeDebugPrivilege 2980 svchost.exe Token: SeDebugPrivilege 2740 RegSvcs.exe Token: SeDebugPrivilege 1896 powershell.exe -
Suspicious use of WriteProcessMemory 40 IoCs
Processes:
Hesap_Hareketleri__20230929_194202031.execmd.execmd.exesvchost.exedescription pid process target process PID 2196 wrote to memory of 3064 2196 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 2196 wrote to memory of 3064 2196 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 2196 wrote to memory of 3064 2196 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 2196 wrote to memory of 3064 2196 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 2196 wrote to memory of 1128 2196 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 2196 wrote to memory of 1128 2196 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 2196 wrote to memory of 1128 2196 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 2196 wrote to memory of 1128 2196 Hesap_Hareketleri__20230929_194202031.exe cmd.exe PID 1128 wrote to memory of 2496 1128 cmd.exe timeout.exe PID 1128 wrote to memory of 2496 1128 cmd.exe timeout.exe PID 1128 wrote to memory of 2496 1128 cmd.exe timeout.exe PID 1128 wrote to memory of 2496 1128 cmd.exe timeout.exe PID 3064 wrote to memory of 2532 3064 cmd.exe schtasks.exe PID 3064 wrote to memory of 2532 3064 cmd.exe schtasks.exe PID 3064 wrote to memory of 2532 3064 cmd.exe schtasks.exe PID 3064 wrote to memory of 2532 3064 cmd.exe schtasks.exe PID 1128 wrote to memory of 2980 1128 cmd.exe svchost.exe PID 1128 wrote to memory of 2980 1128 cmd.exe svchost.exe PID 1128 wrote to memory of 2980 1128 cmd.exe svchost.exe PID 1128 wrote to memory of 2980 1128 cmd.exe svchost.exe PID 2980 wrote to memory of 1896 2980 svchost.exe powershell.exe PID 2980 wrote to memory of 1896 2980 svchost.exe powershell.exe PID 2980 wrote to memory of 1896 2980 svchost.exe powershell.exe PID 2980 wrote to memory of 1896 2980 svchost.exe powershell.exe PID 2980 wrote to memory of 2808 2980 svchost.exe AddInProcess32.exe PID 2980 wrote to memory of 2808 2980 svchost.exe AddInProcess32.exe PID 2980 wrote to memory of 2808 2980 svchost.exe AddInProcess32.exe PID 2980 wrote to memory of 2808 2980 svchost.exe AddInProcess32.exe PID 2980 wrote to memory of 2740 2980 svchost.exe RegSvcs.exe PID 2980 wrote to memory of 2740 2980 svchost.exe RegSvcs.exe PID 2980 wrote to memory of 2740 2980 svchost.exe RegSvcs.exe PID 2980 wrote to memory of 2740 2980 svchost.exe RegSvcs.exe PID 2980 wrote to memory of 2740 2980 svchost.exe RegSvcs.exe PID 2980 wrote to memory of 2740 2980 svchost.exe RegSvcs.exe PID 2980 wrote to memory of 2740 2980 svchost.exe RegSvcs.exe PID 2980 wrote to memory of 2740 2980 svchost.exe RegSvcs.exe PID 2980 wrote to memory of 2740 2980 svchost.exe RegSvcs.exe PID 2980 wrote to memory of 2740 2980 svchost.exe RegSvcs.exe PID 2980 wrote to memory of 2740 2980 svchost.exe RegSvcs.exe PID 2980 wrote to memory of 2740 2980 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-1-5-21-3185155662-718608226-894467740-1000\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-1-5-21-3185155662-718608226-894467740-1000\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
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196 -
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:3064 -
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:2532 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpEFBC.tmp.bat""2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2496 -
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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2980 -
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:1896 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"4⤵PID:2808
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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:2740
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
MD52f5511f138554c7a19dcdc0bdf255439
SHA181fb3ff0da08ec6e425980d432e056657311592d
SHA2566c6fb1734bd85d1aa5f999ab4afe464f7cd4e96ee3439e9e8a486e0d5c02e577
SHA5123a7d13cf46f4ea98a8ffa1a45824ee87f26c88341d1b7cebc708977ec2008c44c78dd0e560713983089eec9aa40f3dee850f26b6f96bd148b35dcbf17e6d294d
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Filesize
151B
MD52f5511f138554c7a19dcdc0bdf255439
SHA181fb3ff0da08ec6e425980d432e056657311592d
SHA2566c6fb1734bd85d1aa5f999ab4afe464f7cd4e96ee3439e9e8a486e0d5c02e577
SHA5123a7d13cf46f4ea98a8ffa1a45824ee87f26c88341d1b7cebc708977ec2008c44c78dd0e560713983089eec9aa40f3dee850f26b6f96bd148b35dcbf17e6d294d
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Filesize
595KB
MD5816c7761599a4e2b666d2e47e380c615
SHA16e1de32829fce91c28e24f42972575ba4803318c
SHA25610979714162c9b426a7e9b2e14a582b03b4153bdf3cbce775b69b505a2463cd0
SHA512e242b3b046c32feeedfcf493683daef8c6647447e7cb35b1f96f87f87f96ff752890764bb1cfeed13c72906da075ca0dc009600191510927df648faec4d063f5
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Filesize
595KB
MD5816c7761599a4e2b666d2e47e380c615
SHA16e1de32829fce91c28e24f42972575ba4803318c
SHA25610979714162c9b426a7e9b2e14a582b03b4153bdf3cbce775b69b505a2463cd0
SHA512e242b3b046c32feeedfcf493683daef8c6647447e7cb35b1f96f87f87f96ff752890764bb1cfeed13c72906da075ca0dc009600191510927df648faec4d063f5
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Filesize
595KB
MD5816c7761599a4e2b666d2e47e380c615
SHA16e1de32829fce91c28e24f42972575ba4803318c
SHA25610979714162c9b426a7e9b2e14a582b03b4153bdf3cbce775b69b505a2463cd0
SHA512e242b3b046c32feeedfcf493683daef8c6647447e7cb35b1f96f87f87f96ff752890764bb1cfeed13c72906da075ca0dc009600191510927df648faec4d063f5