Analysis
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max time kernel
131s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-11-2022 18:49
Behavioral task
behavioral1
Sample
36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe
Resource
win7-20220812-en
General
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Target
36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe
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Size
204KB
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MD5
598a085b5e7a090ca221ebbbe45cbd0f
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SHA1
baf1bfd964d02e999a296c70c1e52dee7c87a4b5
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SHA256
36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da
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SHA512
7ed0a75dd38286c9be410f34df3e43f241665b1a5f6912800f9ac2890fbdc4d7411478843398e529a7b3e08619a583f9827aebc08cf6282ed4edf8fef9875c75
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SSDEEP
3072:t2B7dBvk2GgrQCz+VGUbqPM902yHydV1tTMCU37aEXv:gs29z+VGUQM9UHQzQP37p
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
Processes:
subswithout.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat subswithout.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies data under HKEY_USERS 21 IoCs
Processes:
subswithout.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings subswithout.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 subswithout.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 subswithout.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-9f-50-f6-be-fe\WpadDecisionTime = f0eb30178706d901 subswithout.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-9f-50-f6-be-fe\WpadDecision = "0" subswithout.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections subswithout.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix subswithout.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B74E3F78-3F41-4059-ABFF-286826253297}\WpadDecisionTime = f0eb30178706d901 subswithout.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B74E3F78-3F41-4059-ABFF-286826253297} subswithout.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B74E3F78-3F41-4059-ABFF-286826253297}\WpadDecisionReason = "1" subswithout.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" subswithout.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad subswithout.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B74E3F78-3F41-4059-ABFF-286826253297}\WpadDecision = "0" subswithout.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-9f-50-f6-be-fe subswithout.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B74E3F78-3F41-4059-ABFF-286826253297}\7a-9f-50-f6-be-fe subswithout.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-9f-50-f6-be-fe\WpadDecisionReason = "1" subswithout.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 subswithout.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" subswithout.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B74E3F78-3F41-4059-ABFF-286826253297}\WpadNetworkName = "Network 3" subswithout.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings subswithout.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" subswithout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exesubswithout.exesubswithout.exepid process 1612 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe 1952 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe 1940 subswithout.exe 944 subswithout.exe 944 subswithout.exe 944 subswithout.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exepid process 1952 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe -
Suspicious use of UnmapMainImage 4 IoCs
Processes:
36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exesubswithout.exesubswithout.exepid process 1612 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe 1952 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe 1940 subswithout.exe 944 subswithout.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exesubswithout.exedescription pid process target process PID 1612 wrote to memory of 1952 1612 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe PID 1612 wrote to memory of 1952 1612 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe PID 1612 wrote to memory of 1952 1612 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe PID 1612 wrote to memory of 1952 1612 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe 36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe PID 1940 wrote to memory of 944 1940 subswithout.exe subswithout.exe PID 1940 wrote to memory of 944 1940 subswithout.exe subswithout.exe PID 1940 wrote to memory of 944 1940 subswithout.exe subswithout.exe PID 1940 wrote to memory of 944 1940 subswithout.exe subswithout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe"C:\Users\Admin\AppData\Local\Temp\36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe"C:\Users\Admin\AppData\Local\Temp\36e8824be5fe9326355ce10b2bcd9c80cca5cd28fb544be5b45396689fb849da.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
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C:\Windows\SysWOW64\subswithout.exe"C:\Windows\SysWOW64\subswithout.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\subswithout.exe"C:\Windows\SysWOW64\subswithout.exe"2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/944-63-0x0000000000000000-mapping.dmp
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memory/944-66-0x0000000000400000-0x0000000000435000-memory.dmpFilesize
212KB
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memory/1612-54-0x0000000076681000-0x0000000076683000-memory.dmpFilesize
8KB
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memory/1612-55-0x0000000000220000-0x0000000000232000-memory.dmpFilesize
72KB
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memory/1612-56-0x0000000000400000-0x0000000000435000-memory.dmpFilesize
212KB
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memory/1612-60-0x0000000000400000-0x0000000000415000-memory.dmpFilesize
84KB
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memory/1952-57-0x0000000000000000-mapping.dmp
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memory/1952-59-0x0000000000220000-0x0000000000232000-memory.dmpFilesize
72KB
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memory/1952-61-0x0000000000400000-0x0000000000435000-memory.dmpFilesize
212KB
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memory/1952-65-0x0000000000400000-0x0000000000415000-memory.dmpFilesize
84KB