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Analysis
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max time kernel
149s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25/12/2023, 15:16
Behavioral task
behavioral1
Sample
289267c0083c24989fc6a5ca93f4f9b1.exe
Resource
win7-20231215-en
7 signatures
150 seconds
General
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Target
289267c0083c24989fc6a5ca93f4f9b1.exe
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Size
183KB
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MD5
289267c0083c24989fc6a5ca93f4f9b1
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SHA1
c06905906b62d75a86079a53c83df2ae57c8e31c
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SHA256
d14f135ca57fa92ade92a44757f59792456ffdcf82ca6b52ced13b70e42aaef6
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SHA512
660ee1a212bd04eb80a63ca0fe26fee1ef6021b06ce406e516d3af9f90787031262aa54b95a94881adabb2a2791dce69779820b731c2760470bc5471788a684f
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SSDEEP
3072:/A+PrAn3UAwpBFPbSbl8ZVcuGdrpWoWxiKJOXx2Q0mIOH0ZGvfdONt7T0Wf6B56s:9ME7pTOMkJqiK4Bft3MNZUPWrA
Score
5/10
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat cbsiprop.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies data under HKEY_USERS 21 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-a0-b2-48-c4-8e\WpadDecisionReason = "1" cbsiprop.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" cbsiprop.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 cbsiprop.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings cbsiprop.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1C691FFA-DBFA-4A9B-BB53-BB82737E1147} cbsiprop.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1C691FFA-DBFA-4A9B-BB53-BB82737E1147}\WpadDecisionReason = "1" cbsiprop.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1C691FFA-DBFA-4A9B-BB53-BB82737E1147}\WpadDecision = "0" cbsiprop.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections cbsiprop.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 cbsiprop.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cbsiprop.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-a0-b2-48-c4-8e\WpadDecisionTime = 60615b55b939da01 cbsiprop.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cbsiprop.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad cbsiprop.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 cbsiprop.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1C691FFA-DBFA-4A9B-BB53-BB82737E1147}\WpadDecisionTime = 60615b55b939da01 cbsiprop.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1C691FFA-DBFA-4A9B-BB53-BB82737E1147}\WpadNetworkName = "Network 3" cbsiprop.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-a0-b2-48-c4-8e cbsiprop.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings cbsiprop.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cbsiprop.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1C691FFA-DBFA-4A9B-BB53-BB82737E1147}\12-a0-b2-48-c4-8e cbsiprop.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-a0-b2-48-c4-8e\WpadDecision = "0" cbsiprop.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2084 cbsiprop.exe 2084 cbsiprop.exe 2084 cbsiprop.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3032 289267c0083c24989fc6a5ca93f4f9b1.exe -
Suspicious use of UnmapMainImage 4 IoCs
pid Process 2960 289267c0083c24989fc6a5ca93f4f9b1.exe 3032 289267c0083c24989fc6a5ca93f4f9b1.exe 2780 cbsiprop.exe 2084 cbsiprop.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2960 wrote to memory of 3032 2960 289267c0083c24989fc6a5ca93f4f9b1.exe 28 PID 2960 wrote to memory of 3032 2960 289267c0083c24989fc6a5ca93f4f9b1.exe 28 PID 2960 wrote to memory of 3032 2960 289267c0083c24989fc6a5ca93f4f9b1.exe 28 PID 2960 wrote to memory of 3032 2960 289267c0083c24989fc6a5ca93f4f9b1.exe 28 PID 2780 wrote to memory of 2084 2780 cbsiprop.exe 30 PID 2780 wrote to memory of 2084 2780 cbsiprop.exe 30 PID 2780 wrote to memory of 2084 2780 cbsiprop.exe 30 PID 2780 wrote to memory of 2084 2780 cbsiprop.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\289267c0083c24989fc6a5ca93f4f9b1.exe"C:\Users\Admin\AppData\Local\Temp\289267c0083c24989fc6a5ca93f4f9b1.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2960 -
C:\Users\Admin\AppData\Local\Temp\289267c0083c24989fc6a5ca93f4f9b1.exe--75b780462⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
PID:3032
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C:\Windows\SysWOW64\cbsiprop.exe"C:\Windows\SysWOW64\cbsiprop.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2780 -
C:\Windows\SysWOW64\cbsiprop.exe--92721ca2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:2084
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