Analysis
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max time kernel
150s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
08-09-2024 20:16
Static task
static1
Behavioral task
behavioral1
Sample
2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe
Resource
win10v2004-20240802-en
General
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Target
2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe
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Size
2.6MB
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MD5
97ed9515c06e15d615efdaaa7cd15cf9
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SHA1
29cfb415b9b439aab5e6e50b182cd77e217c79c0
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SHA256
2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990
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SHA512
4f4cb3b790cffe7b445cacb8ddaee7c044f4ba37f9b678dae93b5caea42e4e1b25330c1662f470ab236ce786ce11b3fac3c4b717462b946cf7ddf6db771f71ef
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SSDEEP
49152:TeS12nRc6C5CEAHD26ICQVt1ULUQRP6a6YPkCLJ37xbIjNyX5Hxzl/J:6S+c6ZEmqCMtmoQRP6aZtnsNq9l/J
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe -
Executes dropped EXE 4 IoCs
pid Process 1936 explorer.exe 1112 spoolsv.exe 2772 svchost.exe 2680 spoolsv.exe -
Loads dropped DLL 4 IoCs
pid Process 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 1936 explorer.exe 1112 spoolsv.exe 2772 svchost.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" svchost.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\explorer.exe svchost.exe File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 35 IoCs
pid Process 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 1936 explorer.exe 1112 spoolsv.exe 2772 svchost.exe 2680 spoolsv.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe 1936 explorer.exe 2772 svchost.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification \??\c:\windows\resources\themes\explorer.exe 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe File opened for modification \??\c:\windows\resources\spoolsv.exe explorer.exe File opened for modification \??\c:\windows\resources\svchost.exe spoolsv.exe File opened for modification C:\Windows\Resources\tjud.exe explorer.exe -
System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2820 schtasks.exe 1624 schtasks.exe 2032 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 1936 explorer.exe 1936 explorer.exe 2772 svchost.exe 2772 svchost.exe 1936 explorer.exe 1936 explorer.exe 2772 svchost.exe 2772 svchost.exe 1936 explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2772 svchost.exe 1936 explorer.exe -
Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 1936 explorer.exe 1936 explorer.exe 1936 explorer.exe 1112 spoolsv.exe 1112 spoolsv.exe 1112 spoolsv.exe 2772 svchost.exe 2772 svchost.exe 2772 svchost.exe 2680 spoolsv.exe 2680 spoolsv.exe 2680 spoolsv.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 2840 wrote to memory of 1936 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 29 PID 2840 wrote to memory of 1936 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 29 PID 2840 wrote to memory of 1936 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 29 PID 2840 wrote to memory of 1936 2840 2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe 29 PID 1936 wrote to memory of 1112 1936 explorer.exe 30 PID 1936 wrote to memory of 1112 1936 explorer.exe 30 PID 1936 wrote to memory of 1112 1936 explorer.exe 30 PID 1936 wrote to memory of 1112 1936 explorer.exe 30 PID 1112 wrote to memory of 2772 1112 spoolsv.exe 31 PID 1112 wrote to memory of 2772 1112 spoolsv.exe 31 PID 1112 wrote to memory of 2772 1112 spoolsv.exe 31 PID 1112 wrote to memory of 2772 1112 spoolsv.exe 31 PID 2772 wrote to memory of 2680 2772 svchost.exe 32 PID 2772 wrote to memory of 2680 2772 svchost.exe 32 PID 2772 wrote to memory of 2680 2772 svchost.exe 32 PID 2772 wrote to memory of 2680 2772 svchost.exe 32 PID 1936 wrote to memory of 2612 1936 explorer.exe 33 PID 1936 wrote to memory of 2612 1936 explorer.exe 33 PID 1936 wrote to memory of 2612 1936 explorer.exe 33 PID 1936 wrote to memory of 2612 1936 explorer.exe 33 PID 2772 wrote to memory of 2820 2772 svchost.exe 34 PID 2772 wrote to memory of 2820 2772 svchost.exe 34 PID 2772 wrote to memory of 2820 2772 svchost.exe 34 PID 2772 wrote to memory of 2820 2772 svchost.exe 34 PID 2772 wrote to memory of 1624 2772 svchost.exe 37 PID 2772 wrote to memory of 1624 2772 svchost.exe 37 PID 2772 wrote to memory of 1624 2772 svchost.exe 37 PID 2772 wrote to memory of 1624 2772 svchost.exe 37 PID 2772 wrote to memory of 2032 2772 svchost.exe 39 PID 2772 wrote to memory of 2032 2772 svchost.exe 39 PID 2772 wrote to memory of 2032 2772 svchost.exe 39 PID 2772 wrote to memory of 2032 2772 svchost.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe"C:\Users\Admin\AppData\Local\Temp\2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2840 -
\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1936 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112 -
\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe4⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2772 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2680
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 20:18 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2820
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 20:19 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1624
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 20:20 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2032
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe3⤵PID:2612
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
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Filesize
2.6MB
MD5851823b28e99ea08e7db2966e8bc8500
SHA1583f82c3ceda2d1514dabeac3508461e445dc39e
SHA25657e1a53b51cad8cb0e988ab0eea5f7cc841723066e788a7e9b263ad03f4f79f0
SHA5124788f82516292fcc79759248958e915e646f4d923922cab85f58df39af70c130831b868683b739a03d796a9915fbbdbe85ec350432f041af3b78a0f3ca1e8930
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Filesize
2.6MB
MD55ab713b6dd9f16e9e6072dd1f1f96250
SHA1c153e39d6050920f92199bd5db6e71a507c67ef9
SHA256340d4f73940afdca783e42fb7b61be51f851ee679712561300eddff683e04ccb
SHA5127426db6874fcfa10e331dfc1ecbc527f45c163c4065f60befa759a8f5e606258b3ad3a5843eb7f69ee724e490e321215aade1485b4099aaace915b66891c70a4
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Filesize
2.6MB
MD59f57c98b9abe797cd4cf182a316c1011
SHA1d1cb67b808e281164b8bdb98ae6b04796a2af96c
SHA2560cc325270b9b48d647151caba8a4205c5b00d9275bc39a8f509a6d5330255249
SHA5120483972091c245ccbd7cf1341fd2dba5393b87e6faf00537ee9c092e7306db947a5ffccd2faeefb0ebb35816c6599d6589b526d0553e35e6146d5a5cd5fb8ee8