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Analysis
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max time kernel
42s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 00:52
Behavioral task
behavioral1
Sample
181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
Resource
win10v2004-20220812-en
General
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Target
181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
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Size
9.1MB
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MD5
aaa585f29635d03b33aab4180b386665
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SHA1
97d7eb0712cdaf1cb93b80a4e027285bb5cf5583
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SHA256
181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850
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SHA512
83cac084e64b0a494b1063dfe6ee6be4298db70ecb4df5c239c56309c92edb1342e371b93a64346f9692c1af72f008dff9b78cae0f29101330e8027138db3d14
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SSDEEP
196608:i7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM2gsyVCQlXlAryfEQulen8u:i7effIPEsy58doQaTxLhQyZbIly38dob
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe" 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe," 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe -
ACProtect 1.3x - 1.4x DLL software 3 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x0009000000012326-57.dat acprotect behavioral1/memory/1960-58-0x0000000010000000-0x000000001010B000-memory.dmp acprotect behavioral1/memory/1960-60-0x0000000010000000-0x000000001010B000-memory.dmp acprotect -
Drops file in Drivers directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\drivers\spools.exe 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File created C:\Windows\SysWOW64\drivers\spools.exe 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe" 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe -
resource yara_rule behavioral1/memory/1960-54-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/files/0x0009000000012326-57.dat upx behavioral1/memory/1960-58-0x0000000010000000-0x000000001010B000-memory.dmp upx behavioral1/memory/1960-59-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/1960-60-0x0000000010000000-0x000000001010B000-memory.dmp upx -
Loads dropped DLL 1 IoCs
pid Process 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe -
Enumerates connected drives 3 TTPs 20 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\I: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\J: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\S: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\V: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\X: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\M: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\P: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\Q: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\U: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\K: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\R: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\T: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\O: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\W: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\E: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\F: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\G: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\H: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\L: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe File opened (read-only) \??\N: 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe -
Installs/modifies Browser Helper Object 2 TTPs 4 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects reg.exe -
Modifies WinLogon 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe" 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\ftpdll.dll 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1960 wrote to memory of 1732 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 29 PID 1960 wrote to memory of 1732 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 29 PID 1960 wrote to memory of 1732 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 29 PID 1960 wrote to memory of 1732 1960 181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe"C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Sets service image path in registry
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\SysWOW64\reg.exereg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f2⤵
- Installs/modifies Browser Helper Object
PID:1732
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
5KB
MD5d807aa04480d1d149f7a4cac22984188
SHA1ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9
SHA256eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb
SHA512875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e