Analysis
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max time kernel
151s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 17:09
Static task
static1
Behavioral task
behavioral1
Sample
bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe
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Size
104KB
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MD5
9d2a84c0d18765783ec8784e17e9f1f6
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SHA1
769783376eb665e8b032afba23227bd5d717443d
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SHA256
bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06
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SHA512
fa810892b9f68c0155d0198eed5f1207b8ed43f17076704a0d43fd6e299be7de7d664a02e427788ce811ae93559e1eb740086ed1053299e6aa70ddb822bc6287
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SSDEEP
1536:TSS6Njjzm+HBc+hFKNIqpOGQvLsTZF6oc9B+XjLlm:OY+FrKNZ3QvLsTmB+3s
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" zmfof.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe -
Executes dropped EXE 1 IoCs
pid Process 1408 zmfof.exe -
Loads dropped DLL 2 IoCs
pid Process 1128 bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe 1128 bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /u" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /f" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /o" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /t" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /i" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /a" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /x" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /y" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /m" zmfof.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /v" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /n" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /h" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /s" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /c" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /b" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /g" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /r" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /d" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /l" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /e" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /w" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /j" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /q" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /k" bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /k" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /z" zmfof.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zmfof = "C:\\Users\\Admin\\zmfof.exe /p" zmfof.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 1128 bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe 1408 zmfof.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1128 bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe 1408 zmfof.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1128 wrote to memory of 1408 1128 bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe 27 PID 1128 wrote to memory of 1408 1128 bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe 27 PID 1128 wrote to memory of 1408 1128 bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe 27 PID 1128 wrote to memory of 1408 1128 bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.exe"C:\Users\Admin\AppData\Local\Temp\bd7b935df85697238dcfd708a9a2560404431aebfd68f45e0f7b4c06d15a9d06.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:1128 -
C:\Users\Admin\zmfof.exe"C:\Users\Admin\zmfof.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:1408
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
104KB
MD5bb124926716264ff50852cef1a60a1d5
SHA1496580f13722cd4d6c2bf4df1966a2375b5c1d6a
SHA256e1381d3c95db0f26faa69d93776b0d3b35717fd7337d488291affd2a831955c1
SHA512c725dff5c294c82be63d1e2655bcb1cbb6bd137e231dd2f54e80d988b96fece27b5b338810e1079a3d1c85ff6f9e3eb6e8dcca12e9e0739d2625500a800cf366
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Filesize
104KB
MD5bb124926716264ff50852cef1a60a1d5
SHA1496580f13722cd4d6c2bf4df1966a2375b5c1d6a
SHA256e1381d3c95db0f26faa69d93776b0d3b35717fd7337d488291affd2a831955c1
SHA512c725dff5c294c82be63d1e2655bcb1cbb6bd137e231dd2f54e80d988b96fece27b5b338810e1079a3d1c85ff6f9e3eb6e8dcca12e9e0739d2625500a800cf366
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Filesize
104KB
MD5bb124926716264ff50852cef1a60a1d5
SHA1496580f13722cd4d6c2bf4df1966a2375b5c1d6a
SHA256e1381d3c95db0f26faa69d93776b0d3b35717fd7337d488291affd2a831955c1
SHA512c725dff5c294c82be63d1e2655bcb1cbb6bd137e231dd2f54e80d988b96fece27b5b338810e1079a3d1c85ff6f9e3eb6e8dcca12e9e0739d2625500a800cf366
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Filesize
104KB
MD5bb124926716264ff50852cef1a60a1d5
SHA1496580f13722cd4d6c2bf4df1966a2375b5c1d6a
SHA256e1381d3c95db0f26faa69d93776b0d3b35717fd7337d488291affd2a831955c1
SHA512c725dff5c294c82be63d1e2655bcb1cbb6bd137e231dd2f54e80d988b96fece27b5b338810e1079a3d1c85ff6f9e3eb6e8dcca12e9e0739d2625500a800cf366