Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26-04-2024 10:54
Behavioral task
behavioral1
Sample
newstuff.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
newstuff.exe
Resource
win10v2004-20240412-en
General
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Target
newstuff.exe
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Size
2.8MB
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MD5
65f8a01db5c275706e9f13d875441b25
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SHA1
906103ef1d080d47a1159fce236c7450b95917f3
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SHA256
14c96fd6748713e8d1c561a073b6d777c4da7b31f3b1157c2698f24f16e75d5e
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SHA512
6d65b3cd5dfe6c8ca49032e01b79b9894ac0340ec6451a89e4199eb200983ac0d6c63952b70ec99c42a7ea72b30304ed2d5e6ea8980de1f8fbccc1d368498a7b
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SSDEEP
49152:XXzhpDtKSK1cb8PGK+Tfuqmpc3elWo8GnQAsYZEV4fa/me:XXzhW148Pd+Tf1mpcOldJQ3/V4yx
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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ icsys.icn.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ spoolsv.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ svchost.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ spoolsv.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ newstuff.exe -
Checks BIOS information in registry 2 TTPs 12 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion newstuff.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion icsys.icn.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion newstuff.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion icsys.icn.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion spoolsv.exe -
Executes dropped EXE 6 IoCs
pid Process 324 newstuff.exe 604 icsys.icn.exe 1008 explorer.exe 2812 spoolsv.exe 2100 svchost.exe 3004 spoolsv.exe -
Loads dropped DLL 6 IoCs
pid Process 2140 newstuff.exe 2140 newstuff.exe 604 icsys.icn.exe 1008 explorer.exe 2812 spoolsv.exe 2100 svchost.exe -
resource yara_rule behavioral1/memory/2140-0-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/files/0x000d0000000122b8-10.dat themida behavioral1/memory/604-14-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/files/0x0008000000014fe1-20.dat themida behavioral1/memory/1008-26-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/files/0x0008000000015364-33.dat themida behavioral1/memory/2812-38-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/files/0x0007000000016cf0-48.dat themida behavioral1/memory/2140-49-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/2812-50-0x0000000003230000-0x0000000003846000-memory.dmp themida behavioral1/memory/2100-51-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/604-54-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/3004-60-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/2140-65-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/1008-66-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/2140-67-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/604-68-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/1008-69-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/2812-70-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/2100-71-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/2812-72-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/3004-73-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/2100-75-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/3004-78-0x0000000000400000-0x0000000000A16000-memory.dmp themida behavioral1/memory/1008-90-0x0000000000400000-0x0000000000A16000-memory.dmp themida -
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 -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA icsys.icn.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorer.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA spoolsv.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA svchost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA spoolsv.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA newstuff.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe File opened for modification C:\Windows\SysWOW64\explorer.exe svchost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
pid Process 2140 newstuff.exe 604 icsys.icn.exe 1008 explorer.exe 2812 spoolsv.exe 2100 svchost.exe 3004 spoolsv.exe -
Drops file in Windows directory 5 IoCs
description ioc Process 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 File opened for modification C:\Windows\Resources\Themes\icsys.icn.exe newstuff.exe File opened for modification \??\c:\windows\resources\themes\explorer.exe icsys.icn.exe -
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2488 schtasks.exe 1528 schtasks.exe 1016 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 2140 newstuff.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 604 icsys.icn.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 1008 explorer.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe 2100 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 1008 explorer.exe 2100 svchost.exe -
Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 2140 newstuff.exe 2140 newstuff.exe 604 icsys.icn.exe 604 icsys.icn.exe 1008 explorer.exe 1008 explorer.exe 2812 spoolsv.exe 2812 spoolsv.exe 2100 svchost.exe 2100 svchost.exe 3004 spoolsv.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 2140 wrote to memory of 324 2140 newstuff.exe 28 PID 2140 wrote to memory of 324 2140 newstuff.exe 28 PID 2140 wrote to memory of 324 2140 newstuff.exe 28 PID 2140 wrote to memory of 324 2140 newstuff.exe 28 PID 2140 wrote to memory of 604 2140 newstuff.exe 29 PID 2140 wrote to memory of 604 2140 newstuff.exe 29 PID 2140 wrote to memory of 604 2140 newstuff.exe 29 PID 2140 wrote to memory of 604 2140 newstuff.exe 29 PID 604 wrote to memory of 1008 604 icsys.icn.exe 30 PID 604 wrote to memory of 1008 604 icsys.icn.exe 30 PID 604 wrote to memory of 1008 604 icsys.icn.exe 30 PID 604 wrote to memory of 1008 604 icsys.icn.exe 30 PID 1008 wrote to memory of 2812 1008 explorer.exe 31 PID 1008 wrote to memory of 2812 1008 explorer.exe 31 PID 1008 wrote to memory of 2812 1008 explorer.exe 31 PID 1008 wrote to memory of 2812 1008 explorer.exe 31 PID 2812 wrote to memory of 2100 2812 spoolsv.exe 32 PID 2812 wrote to memory of 2100 2812 spoolsv.exe 32 PID 2812 wrote to memory of 2100 2812 spoolsv.exe 32 PID 2812 wrote to memory of 2100 2812 spoolsv.exe 32 PID 2100 wrote to memory of 3004 2100 svchost.exe 34 PID 2100 wrote to memory of 3004 2100 svchost.exe 34 PID 2100 wrote to memory of 3004 2100 svchost.exe 34 PID 2100 wrote to memory of 3004 2100 svchost.exe 34 PID 1008 wrote to memory of 2752 1008 explorer.exe 36 PID 1008 wrote to memory of 2752 1008 explorer.exe 36 PID 1008 wrote to memory of 2752 1008 explorer.exe 36 PID 1008 wrote to memory of 2752 1008 explorer.exe 36 PID 2100 wrote to memory of 2488 2100 svchost.exe 38 PID 2100 wrote to memory of 2488 2100 svchost.exe 38 PID 2100 wrote to memory of 2488 2100 svchost.exe 38 PID 2100 wrote to memory of 2488 2100 svchost.exe 38 PID 2100 wrote to memory of 1528 2100 svchost.exe 40 PID 2100 wrote to memory of 1528 2100 svchost.exe 40 PID 2100 wrote to memory of 1528 2100 svchost.exe 40 PID 2100 wrote to memory of 1528 2100 svchost.exe 40 PID 2100 wrote to memory of 1016 2100 svchost.exe 42 PID 2100 wrote to memory of 1016 2100 svchost.exe 42 PID 2100 wrote to memory of 1016 2100 svchost.exe 42 PID 2100 wrote to memory of 1016 2100 svchost.exe 42
Processes
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C:\Users\Admin\AppData\Local\Temp\newstuff.exe"C:\Users\Admin\AppData\Local\Temp\newstuff.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2140 -
\??\c:\users\admin\appdata\local\temp\newstuff.exec:\users\admin\appdata\local\temp\newstuff.exe2⤵
- Executes dropped EXE
PID:324
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:604 -
\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe3⤵
- Modifies visiblity of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1008 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE4⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2812 -
\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe5⤵
- Modifies visiblity of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2100 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:3004
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 10:57 /f6⤵
- Creates scheduled task(s)
PID:2488
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 10:58 /f6⤵
- Creates scheduled task(s)
PID:1528
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 10:59 /f6⤵
- Creates scheduled task(s)
PID:1016
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe4⤵PID:2752
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Virtualization/Sandbox Evasion
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.6MB
MD588e18653a67cb9e112163c41d80fa66a
SHA1960e27ca6828ca322833d9681bb2b7a18f6000bd
SHA2567cb21a93ef440fc2226533b63fc3c5a973f1b9b6d955c9789bf55f9cd1af6998
SHA512bb86763fb4e03fddd2778dc889cda1b996b7a8c17e20036b949d82c00a4df0b2e50d56d218ba6814f10799ba6194b0163430adf45f7bd3aca02f6537beba150e
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Filesize
2.6MB
MD5bc3c856d54b7c64a34821a372a417c60
SHA1bc3700c0966c4e88e69e78db42671535a8449904
SHA256a18bfe98dcf5ed821b7bab54799bc0bc153b9a33d5923cad491b1cabaf4f13a2
SHA51273ba235c5cc1bf0a3b1ade3f744e469d92e7a823511291f7ca0ae9b519be6ce6723dd05d4b3f161e354c6b2d9a798e10a146c7c0d5e8cc67ef21818c1d297e21
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Filesize
239KB
MD56109c703543ce917ab5b9975735f78ef
SHA188c6d3fc7076dce3826f8f03feac041cc15fd9b8
SHA2563e1cb481036dba2c97f3d390b7266d194a2bc7b2640ddc085d8e9c8d43baa0b1
SHA51294234381bff3cf743e3c441b820595a084794f822e35a2b91cf28cf59517eff4fb8d27cc6490861c463f78d03860b02e592a20a66e3b367a515460e9ccf3597e
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Filesize
2.6MB
MD5d513836f9ae72161ba1a862e8e13c43a
SHA18ed0157cd5ecb06d10389841eef74dbc2a2bf1fa
SHA256b92bd1d20732e76e41c0149cff89a6302c2f854730369a198843eef3adfdde95
SHA512b9a895a1a71b0fd9a21e253cfbe575be6549611b8e44c67646410d776a6ccb283ae08e1abc8a30fedbc2f01fd482e79abccc8a2983bd42bf624fcd2ee10fd59a
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Filesize
2.6MB
MD514645760d5ce292e03e61d919682356f
SHA1b3adbf2661be8a546b6bb1bdac1473dbbf1e730a
SHA256520d0eb116a1647997e1a908bb2ce40199e0a88ad75332d5f1a05c1300acb20d
SHA5128dd3cbcdf3dc1ab31fa03ae3f92313737ae27184f33b948de9256e35b0d0f6587997c6a9c8809f8f586b1c0ec9901bdbce32e878c8e2d43fdb1818ebf2716dd3