Analysis
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max time kernel
203s -
max time network
90s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
14-10-2022 10:15
Static task
static1
Behavioral task
behavioral1
Sample
768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe
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Size
92KB
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MD5
63824bfdc92ae6f486001b85b7d87691
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SHA1
fb52a96383236dc8f04c69418b42b89ca1a84b15
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SHA256
768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4
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SHA512
a5d3d8cc3f25ab7fe3127c022cd27eec54109a17736025cbd7012db669568ac9d245bfb119d9c7e5f14462b99962b5f846016b6040ef02e77755a5b12d215304
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SSDEEP
1536:0NTtZODsZFrXQ09puSTksMcxa2/w/MyOKvxRnmwXvWsl7zP3+uv+8sraiL8VPQ2D:sMiVXd9puSTkiro/MyOKvxRnmwXvWslT
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" lfzex.exe -
Executes dropped EXE 1 IoCs
pid Process 1492 lfzex.exe -
Loads dropped DLL 2 IoCs
pid Process 1380 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 1380 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /d" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /e" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /y" 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /v" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /r" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /b" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /x" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /y" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /s" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /q" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /o" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /h" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /i" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /z" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /a" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /j" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /l" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /k" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /p" lfzex.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /c" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /g" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /u" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /t" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /n" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /w" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /f" lfzex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfzex = "C:\\Users\\Admin\\lfzex.exe /m" lfzex.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1380 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe 1492 lfzex.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1380 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 1492 lfzex.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1380 wrote to memory of 1492 1380 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 27 PID 1380 wrote to memory of 1492 1380 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 27 PID 1380 wrote to memory of 1492 1380 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 27 PID 1380 wrote to memory of 1492 1380 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe"C:\Users\Admin\AppData\Local\Temp\768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Users\Admin\lfzex.exe"C:\Users\Admin\lfzex.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1492
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
92KB
MD52240a7b2fc3746b372a590c84a49da67
SHA1954c4778ebf0471257072d7472c3f19628513e24
SHA2567b7f557a136d790c889eba3e665a4eadbe647f591276745f68ad9e0bd509a7e1
SHA512aee1a1db7889714c26cdb2c06d3dc1660232585956bedcb1413cd474f011f2ffd0f801acab6b2bd87eb05e8066a2a833af4e0cd588064194d59a646fe839481d
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Filesize
92KB
MD52240a7b2fc3746b372a590c84a49da67
SHA1954c4778ebf0471257072d7472c3f19628513e24
SHA2567b7f557a136d790c889eba3e665a4eadbe647f591276745f68ad9e0bd509a7e1
SHA512aee1a1db7889714c26cdb2c06d3dc1660232585956bedcb1413cd474f011f2ffd0f801acab6b2bd87eb05e8066a2a833af4e0cd588064194d59a646fe839481d
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Filesize
92KB
MD52240a7b2fc3746b372a590c84a49da67
SHA1954c4778ebf0471257072d7472c3f19628513e24
SHA2567b7f557a136d790c889eba3e665a4eadbe647f591276745f68ad9e0bd509a7e1
SHA512aee1a1db7889714c26cdb2c06d3dc1660232585956bedcb1413cd474f011f2ffd0f801acab6b2bd87eb05e8066a2a833af4e0cd588064194d59a646fe839481d
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Filesize
92KB
MD52240a7b2fc3746b372a590c84a49da67
SHA1954c4778ebf0471257072d7472c3f19628513e24
SHA2567b7f557a136d790c889eba3e665a4eadbe647f591276745f68ad9e0bd509a7e1
SHA512aee1a1db7889714c26cdb2c06d3dc1660232585956bedcb1413cd474f011f2ffd0f801acab6b2bd87eb05e8066a2a833af4e0cd588064194d59a646fe839481d