Analysis
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max time kernel
141s -
max time network
181s -
platform
windows7_x64 -
resource
win7-20220331-en -
submitted
27-03-2022 22:29
Behavioral task
behavioral1
Sample
0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe
Resource
win7-20220331-en
windows7_x64
0 signatures
0 seconds
General
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Target
0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe
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Size
233KB
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MD5
8d99884c6799624b76cdac23665d77da
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SHA1
4c7390e92cf68dd4b23c09cf033d5f59074605c0
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SHA256
0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816
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SHA512
cc7fdb0ae0143ca6054bbe17d010b1c7935da00e8d152d6cba93cf1dcc676f162eef02e3a0982b40d2c252639abbbe3011627f7c9deefe43a3d3f9ac6173f4fe
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
Processes:
avgdetect.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat avgdetect.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:
avgdetect.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B96A470E-F288-4C46-AC5B-572E1CCA43C4}\WpadNetworkName = "Network 3" avgdetect.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B96A470E-F288-4C46-AC5B-572E1CCA43C4}\ae-f8-61-9f-81-3f avgdetect.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B96A470E-F288-4C46-AC5B-572E1CCA43C4}\WpadDecision = "0" avgdetect.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-f8-61-9f-81-3f avgdetect.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections avgdetect.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix avgdetect.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" avgdetect.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings avgdetect.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0074000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 avgdetect.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" avgdetect.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 avgdetect.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad avgdetect.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-f8-61-9f-81-3f\WpadDecision = "0" avgdetect.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B96A470E-F288-4C46-AC5B-572E1CCA43C4}\WpadDecisionTime = 80e35e055946d801 avgdetect.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-f8-61-9f-81-3f\WpadDecisionReason = "1" avgdetect.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-f8-61-9f-81-3f\WpadDecisionTime = 80e35e055946d801 avgdetect.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings avgdetect.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 avgdetect.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" avgdetect.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B96A470E-F288-4C46-AC5B-572E1CCA43C4} avgdetect.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B96A470E-F288-4C46-AC5B-572E1CCA43C4}\WpadDecisionReason = "1" avgdetect.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
avgdetect.exepid process 1280 avgdetect.exe 1280 avgdetect.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exepid process 1460 0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe -
Suspicious use of UnmapMainImage 4 IoCs
Processes:
0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exeavgdetect.exeavgdetect.exepid process 996 0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe 1460 0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe 1308 avgdetect.exe 1280 avgdetect.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exeavgdetect.exedescription pid process target process PID 996 wrote to memory of 1460 996 0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe 0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe PID 996 wrote to memory of 1460 996 0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe 0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe PID 996 wrote to memory of 1460 996 0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe 0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe PID 996 wrote to memory of 1460 996 0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe 0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe PID 1308 wrote to memory of 1280 1308 avgdetect.exe avgdetect.exe PID 1308 wrote to memory of 1280 1308 avgdetect.exe avgdetect.exe PID 1308 wrote to memory of 1280 1308 avgdetect.exe avgdetect.exe PID 1308 wrote to memory of 1280 1308 avgdetect.exe avgdetect.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe"C:\Users\Admin\AppData\Local\Temp\0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\0ad8586ab4070d910a5a00ff103137535fced805c710e4c73d566d9320ad5816.exe--f1a0fefd2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
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C:\Windows\SysWOW64\avgdetect.exe"C:\Windows\SysWOW64\avgdetect.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\avgdetect.exe--ca24184b2⤵
- 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/996-55-0x00000000002C0000-0x00000000002DB000-memory.dmpFilesize
108KB
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memory/996-56-0x0000000000400000-0x000000000041D000-memory.dmpFilesize
116KB
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memory/1280-59-0x0000000000000000-mapping.dmp
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memory/1280-60-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/1460-54-0x0000000000000000-mapping.dmp
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memory/1460-57-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/1460-58-0x0000000075D61000-0x0000000075D63000-memory.dmpFilesize
8KB