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Analysis
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max time kernel
156s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
06/11/2022, 16:12
Behavioral task
behavioral1
Sample
499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe
Resource
win7-20220812-en
windows7-x64
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
15 signatures
150 seconds
General
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Target
499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe
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Size
288KB
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MD5
07c548dabc58a122a1c40b5a46db0ed0
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SHA1
e70dc8f83ca92ae0b3ac9e735cbf6d55d2849dfb
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SHA256
499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c
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SHA512
dd2a7454db1755b0f196975d83060086ea8771dabce8141d09ef534a64e1d8626bcafa85e63d76252d109094d755491aee624c357f0c494ff62bef87ad72048e
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SSDEEP
6144:UYZTNk3D6LyUXwLLk+cR3qh0GQ43VJRD0ew+/UO85Y0:USNC80I+cR3R03VseuO857
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe gphone.exe" 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe -
Disables Task Manager via registry modification
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resource yara_rule behavioral2/memory/4956-132-0x0000000000400000-0x00000000004AC000-memory.dmp upx behavioral2/memory/4956-139-0x0000000000400000-0x00000000004AC000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yahoo Messengger = "C:\\Windows\\system32\\gphone.exe" 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\e: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\g: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\r: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\x: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\b: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\f: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\j: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\m: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\s: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\u: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\v: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\w: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\a: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\k: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\l: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\q: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\h: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\i: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\n: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\o: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\p: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\t: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\y: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened (read-only) \??\z: 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4956-139-0x0000000000400000-0x00000000004AC000-memory.dmp autoit_exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created \??\d:\autorun.inf 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\gphone.exe 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened for modification C:\Windows\SysWOW64\gphone.exe 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened for modification C:\Windows\SysWOW64\autorun.ini 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\gphone.exe 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe File opened for modification C:\Windows\gphone.exe 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://rnd009.googlepages.com/google.html" 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://rnd009.googlepages.com/google.html" 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Search Page = "http://rnd009.googlepages.com/google.html" 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe -
Modifies Internet Explorer start page 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://rnd009.googlepages.com/google.html" 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://rnd009.googlepages.com/google.html" 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4956 wrote to memory of 4580 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 81 PID 4956 wrote to memory of 4580 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 81 PID 4956 wrote to memory of 4580 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 81 PID 4580 wrote to memory of 544 4580 cmd.exe 83 PID 4580 wrote to memory of 544 4580 cmd.exe 83 PID 4580 wrote to memory of 544 4580 cmd.exe 83 PID 4956 wrote to memory of 4372 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 84 PID 4956 wrote to memory of 4372 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 84 PID 4956 wrote to memory of 4372 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 84 PID 4372 wrote to memory of 5096 4372 cmd.exe 86 PID 4372 wrote to memory of 5096 4372 cmd.exe 86 PID 4372 wrote to memory of 5096 4372 cmd.exe 86 PID 4956 wrote to memory of 1508 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 87 PID 4956 wrote to memory of 1508 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 87 PID 4956 wrote to memory of 1508 4956 499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe 87 PID 1508 wrote to memory of 632 1508 cmd.exe 89 PID 1508 wrote to memory of 632 1508 cmd.exe 89 PID 1508 wrote to memory of 632 1508 cmd.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe"C:\Users\Admin\AppData\Local\Temp\499d05e36ad8ab973d4fc771de426f20ee8ffe0c358bf7595a008f68983e247c.exe"1⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT /delete /yes2⤵
- Suspicious use of WriteProcessMemory
PID:4580 -
C:\Windows\SysWOW64\at.exeAT /delete /yes3⤵PID:544
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\gphone.exe2⤵
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\SysWOW64\at.exeAT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\gphone.exe3⤵PID:5096
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f2⤵
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\SysWOW64\cacls.execacls "C:\system volume information" /e /g "Admin":f3⤵PID:632
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