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Analysis
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max time kernel
150s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 19:34
Static task
static1
Behavioral task
behavioral1
Sample
da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe
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Size
132KB
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MD5
357f6a386de3b32d093cbb440df119a4
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SHA1
96857b6b1a98f6737e64cb2b0404946de430d04c
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SHA256
da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066
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SHA512
02e426daa35818ad62f6813c6967aee5fb3eabc0a2dd0a73cb2d78e255a2ff43c76bba2d12d7a1aa787d2b8b3379d869011b9d1558e01a9a6cdad188bd969b15
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SSDEEP
1536:C4r9eRX+spSxfjPdVIslKddW9qypu2ddxjpYwiAq4JqASswN6dWBsg/5G/ejnQ3h:Coyus4xfrd6YIeJjqP4yswNiqM/e0
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fwsuc.exe -
Executes dropped EXE 1 IoCs
pid Process 1728 fwsuc.exe -
Loads dropped DLL 2 IoCs
pid Process 832 da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe 832 da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /n" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /x" da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /A" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /G" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /a" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /J" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /i" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /x" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /B" fwsuc.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /Q" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /M" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /s" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /b" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /F" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /c" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /T" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /X" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /Y" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /u" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /g" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /v" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /z" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /R" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /t" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /D" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /C" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /K" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /I" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /d" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /E" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /P" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /k" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /j" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /L" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /Z" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /S" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /O" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /w" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /h" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /m" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /q" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /U" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /y" fwsuc.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /o" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /H" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /e" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /W" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /f" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /V" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /r" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /p" fwsuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\fwsuc = "C:\\Users\\Admin\\fwsuc.exe /N" fwsuc.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 832 da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe 1728 fwsuc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 832 da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe 1728 fwsuc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 832 wrote to memory of 1728 832 da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe 28 PID 832 wrote to memory of 1728 832 da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe 28 PID 832 wrote to memory of 1728 832 da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe 28 PID 832 wrote to memory of 1728 832 da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.exe"C:\Users\Admin\AppData\Local\Temp\da7a729388a7cfedc950f46560cf35ded54ba6cb2675866e631c14eb23f5b066.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:832 -
C:\Users\Admin\fwsuc.exe"C:\Users\Admin\fwsuc.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:1728
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
132KB
MD52b49577a7faa758fc50ecac52a1764fe
SHA1fb7b5a0549618405446e96d88c5603b93576d296
SHA256b21e6266cc14ce89afdcdcdc5a4cce1fa385f61d6f725f42be4af084c7795a48
SHA51223b719a306348256cd3d463a1e51b5971343b121e2a2bd3bab3890f45a01e5c7dfc59ae7f8183867afd06481797460fc4a52e3580acc73432c4c20db090f7e77
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Filesize
132KB
MD52b49577a7faa758fc50ecac52a1764fe
SHA1fb7b5a0549618405446e96d88c5603b93576d296
SHA256b21e6266cc14ce89afdcdcdc5a4cce1fa385f61d6f725f42be4af084c7795a48
SHA51223b719a306348256cd3d463a1e51b5971343b121e2a2bd3bab3890f45a01e5c7dfc59ae7f8183867afd06481797460fc4a52e3580acc73432c4c20db090f7e77
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Filesize
132KB
MD52b49577a7faa758fc50ecac52a1764fe
SHA1fb7b5a0549618405446e96d88c5603b93576d296
SHA256b21e6266cc14ce89afdcdcdc5a4cce1fa385f61d6f725f42be4af084c7795a48
SHA51223b719a306348256cd3d463a1e51b5971343b121e2a2bd3bab3890f45a01e5c7dfc59ae7f8183867afd06481797460fc4a52e3580acc73432c4c20db090f7e77
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Filesize
132KB
MD52b49577a7faa758fc50ecac52a1764fe
SHA1fb7b5a0549618405446e96d88c5603b93576d296
SHA256b21e6266cc14ce89afdcdcdc5a4cce1fa385f61d6f725f42be4af084c7795a48
SHA51223b719a306348256cd3d463a1e51b5971343b121e2a2bd3bab3890f45a01e5c7dfc59ae7f8183867afd06481797460fc4a52e3580acc73432c4c20db090f7e77