Analysis
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max time kernel
146s -
max time network
177s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29-01-2023 18:25
Behavioral task
behavioral1
Sample
3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe
Resource
win7-20221111-en
General
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Target
3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe
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Size
183KB
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MD5
0f3ae9c6621bf35b97f0804ef9f32fe9
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SHA1
a9da4b6ff88d009663286907716f63416812345f
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SHA256
3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2
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SHA512
8ff4b98b69dfe75c467f2edb24bab68317eb6757f43aaeccff26ca9e06fc5e5a2a04d5a17412e9de834bb35108e5cccc4f5eff8e8bb4b4f9ad200c8ee1a6a853
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SSDEEP
3072:vV+PrAn3UAwpBFPbSbl8ZVcuGdrpWoWxiKJOXx2Q0mIOH0ZPvfdONt7T0Wf6B56l:GME7pTOMkJqiK4Bfc3MNZUPWrp
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
Processes:
wgxjersey.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat wgxjersey.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:
wgxjersey.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08145A96-3A7D-4894-B6C2-5AE77425DC82}\WpadDecisionReason = "1" wgxjersey.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08145A96-3A7D-4894-B6C2-5AE77425DC82}\ce-83-8a-39-25-70 wgxjersey.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-83-8a-39-25-70\WpadDecisionReason = "1" wgxjersey.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" wgxjersey.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad wgxjersey.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" wgxjersey.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08145A96-3A7D-4894-B6C2-5AE77425DC82}\WpadDecisionTime = 50004a8a1734d901 wgxjersey.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08145A96-3A7D-4894-B6C2-5AE77425DC82}\WpadDecision = "0" wgxjersey.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-83-8a-39-25-70 wgxjersey.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-83-8a-39-25-70\WpadDecision = "0" wgxjersey.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings wgxjersey.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings wgxjersey.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" wgxjersey.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08145A96-3A7D-4894-B6C2-5AE77425DC82}\WpadNetworkName = "Network 2" wgxjersey.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections wgxjersey.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix wgxjersey.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0036000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 wgxjersey.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08145A96-3A7D-4894-B6C2-5AE77425DC82} wgxjersey.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-83-8a-39-25-70\WpadDecisionTime = 50004a8a1734d901 wgxjersey.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 wgxjersey.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 wgxjersey.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
wgxjersey.exepid process 520 wgxjersey.exe 520 wgxjersey.exe 520 wgxjersey.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exepid process 1696 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe -
Suspicious use of UnmapMainImage 4 IoCs
Processes:
3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exewgxjersey.exewgxjersey.exepid process 936 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe 1696 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe 1872 wgxjersey.exe 520 wgxjersey.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exewgxjersey.exedescription pid process target process PID 936 wrote to memory of 1696 936 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe PID 936 wrote to memory of 1696 936 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe PID 936 wrote to memory of 1696 936 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe PID 936 wrote to memory of 1696 936 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe PID 1872 wrote to memory of 520 1872 wgxjersey.exe wgxjersey.exe PID 1872 wrote to memory of 520 1872 wgxjersey.exe wgxjersey.exe PID 1872 wrote to memory of 520 1872 wgxjersey.exe wgxjersey.exe PID 1872 wrote to memory of 520 1872 wgxjersey.exe wgxjersey.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe"C:\Users\Admin\AppData\Local\Temp\3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe--d86446ce2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
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C:\Windows\SysWOW64\wgxjersey.exe"C:\Windows\SysWOW64\wgxjersey.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\wgxjersey.exe--8193754e2⤵
- 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/520-62-0x0000000000000000-mapping.dmp
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memory/520-65-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/520-66-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/936-54-0x0000000076941000-0x0000000076943000-memory.dmpFilesize
8KB
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memory/936-55-0x00000000001B0000-0x00000000001CB000-memory.dmpFilesize
108KB
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memory/936-57-0x00000000001B0000-0x00000000001CB000-memory.dmpFilesize
108KB
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memory/936-59-0x0000000000400000-0x000000000041D000-memory.dmpFilesize
116KB
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memory/1696-56-0x0000000000000000-mapping.dmp
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memory/1696-60-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/1696-63-0x0000000000400000-0x000000000041D000-memory.dmpFilesize
116KB