Analysis
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max time kernel
153s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
07/12/2022, 02:53
Static task
static1
Behavioral task
behavioral1
Sample
b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe
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Size
156KB
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MD5
34af86e371f2c4979ce79c001eb74763
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SHA1
a426d0d53a14d072509b60faac07f630baaba92f
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SHA256
b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031
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SHA512
1a9e7627de5ed52b20eb7e34a022f54b606786b8d49c8f5ba3e1491226e776c70f7550700d45642badc42b188bdc314f90f82d8831b452997915367180ff154d
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SSDEEP
3072:gLySNYWrO0VctCPmJIHE+gRyRSIuznLstk4oQZiE7J:TRGPctCrEaRQLpW7
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" b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" feoriok.exe -
Executes dropped EXE 1 IoCs
pid Process 1504 feoriok.exe -
Loads dropped DLL 2 IoCs
pid Process 1092 b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe 1092 b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /b" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /c" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /R" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /L" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /O" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /f" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /a" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /J" feoriok.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /W" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /B" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /e" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /u" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /F" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /i" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /M" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /r" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /S" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /I" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /Y" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /X" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /g" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /s" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /p" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /o" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /D" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /k" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /G" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /U" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /n" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /v" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /A" feoriok.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /Z" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /z" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /y" b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /y" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /d" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /K" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /l" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /C" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /P" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /q" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /H" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /m" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /x" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /Q" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /t" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /T" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /j" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /V" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /E" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /w" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /N" feoriok.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\feoriok = "C:\\Users\\Admin\\feoriok.exe /h" feoriok.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 1092 b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe 1504 feoriok.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1092 b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe 1504 feoriok.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1092 wrote to memory of 1504 1092 b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe 27 PID 1092 wrote to memory of 1504 1092 b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe 27 PID 1092 wrote to memory of 1504 1092 b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe 27 PID 1092 wrote to memory of 1504 1092 b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.exe"C:\Users\Admin\AppData\Local\Temp\b599ad4019e3af36bb048a2485251ac716f38ebde324a74ca2df93a9f2208031.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:1092 -
C:\Users\Admin\feoriok.exe"C:\Users\Admin\feoriok.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:1504
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
156KB
MD570420c6d16fef0d1cdcbeddf4df7335b
SHA1d5636907f9d7aa870f84dd58d0e8b81269c37119
SHA2567e390dfd83be16459509f8c407be67319efe85c28d3e26087c3e7cb48676ab88
SHA512516334971b4cefe29eb9f5de0dc7db3a3f691d2e8540107d2c94a6ad2c2f2c4568c46631e91c15a960010df6999cf6316cc8ef304298e11f45b6cf3d80de1dc0
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Filesize
156KB
MD570420c6d16fef0d1cdcbeddf4df7335b
SHA1d5636907f9d7aa870f84dd58d0e8b81269c37119
SHA2567e390dfd83be16459509f8c407be67319efe85c28d3e26087c3e7cb48676ab88
SHA512516334971b4cefe29eb9f5de0dc7db3a3f691d2e8540107d2c94a6ad2c2f2c4568c46631e91c15a960010df6999cf6316cc8ef304298e11f45b6cf3d80de1dc0
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Filesize
156KB
MD570420c6d16fef0d1cdcbeddf4df7335b
SHA1d5636907f9d7aa870f84dd58d0e8b81269c37119
SHA2567e390dfd83be16459509f8c407be67319efe85c28d3e26087c3e7cb48676ab88
SHA512516334971b4cefe29eb9f5de0dc7db3a3f691d2e8540107d2c94a6ad2c2f2c4568c46631e91c15a960010df6999cf6316cc8ef304298e11f45b6cf3d80de1dc0
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Filesize
156KB
MD570420c6d16fef0d1cdcbeddf4df7335b
SHA1d5636907f9d7aa870f84dd58d0e8b81269c37119
SHA2567e390dfd83be16459509f8c407be67319efe85c28d3e26087c3e7cb48676ab88
SHA512516334971b4cefe29eb9f5de0dc7db3a3f691d2e8540107d2c94a6ad2c2f2c4568c46631e91c15a960010df6999cf6316cc8ef304298e11f45b6cf3d80de1dc0