Analysis
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max time kernel
166s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2022, 10:50
Behavioral task
behavioral1
Sample
afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe
Resource
win7-20220812-en
windows7-x64
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe
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Size
331KB
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MD5
81625a06754f3d589d1991e6a24d8c42
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SHA1
7a8c7765729d585290a592a532d0f2b58d7dda01
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SHA256
afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4
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SHA512
a6cfd90da1fc59631b29fc981f74950f27a15b4bbb26e3a53b38f3015307c03f3b0e170242cd6013054fe6a83533839c0dfdcf198b7e77512c2d7e133006de46
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SSDEEP
6144:FYZTNk3D6LyUXwLLk+cR3qh0GQ43VJRD0ew+/UOwz:FSNC80I+cR3R03VseuOwz
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" afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe -
Disables Task Manager via registry modification
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resource yara_rule behavioral2/memory/4968-132-0x0000000000400000-0x00000000004B0000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yahoo Messengger = "C:\\Windows\\system32\\gphone.exe" afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.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) \??\b: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\g: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\h: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\i: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\l: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\q: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\t: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\u: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\y: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\n: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\s: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\w: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\f: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\k: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\m: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\x: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\a: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\e: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\j: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\o: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\p: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\r: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\v: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened (read-only) \??\z: afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.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 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\gphone.exe afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened for modification C:\Windows\SysWOW64\autorun.ini afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File created C:\Windows\SysWOW64\gphone.exe afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\gphone.exe afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe File opened for modification C:\Windows\gphone.exe afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.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 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://rnd009.googlepages.com/google.html" afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://rnd009.googlepages.com/google.html" afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Search Page = "http://rnd009.googlepages.com/google.html" afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe -
Modifies Internet Explorer start page 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://rnd009.googlepages.com/google.html" afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://rnd009.googlepages.com/google.html" afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4968 wrote to memory of 3600 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 82 PID 4968 wrote to memory of 3600 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 82 PID 4968 wrote to memory of 3600 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 82 PID 3600 wrote to memory of 3088 3600 cmd.exe 84 PID 3600 wrote to memory of 3088 3600 cmd.exe 84 PID 3600 wrote to memory of 3088 3600 cmd.exe 84 PID 4968 wrote to memory of 228 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 85 PID 4968 wrote to memory of 228 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 85 PID 4968 wrote to memory of 228 4968 afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe 85 PID 228 wrote to memory of 2244 228 cmd.exe 87 PID 228 wrote to memory of 2244 228 cmd.exe 87 PID 228 wrote to memory of 2244 228 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.exe"C:\Users\Admin\AppData\Local\Temp\afcf2979a03ecf60292dd1c0c7ffe11dad8eacb62b6166b1de82c36a333692e4.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:4968 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT /delete /yes2⤵
- Suspicious use of WriteProcessMemory
PID:3600 -
C:\Windows\SysWOW64\at.exeAT /delete /yes3⤵PID:3088
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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:228 -
C:\Windows\SysWOW64\at.exeAT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\gphone.exe3⤵PID:2244
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