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Analysis
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max time kernel
152s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04/10/2022, 06:47
Static task
static1
Behavioral task
behavioral1
Sample
e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe
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Size
80KB
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MD5
57b596f966d37a7019a6e79b0c4f0cf0
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SHA1
817697aab73898929c1c2b477bbb209073a84860
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SHA256
e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6
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SHA512
1f008980387b7789acb87e619cd9985f0f8d9d627ed05bcd1162716aa14f48bec19552aa3361bdd5ba387a24968912c5591f58978a258668abd3015ea7989179
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SSDEEP
1536:Mstdgm616Lti8n42APNR2dcScLcPcxeTanuUHWO0s3xxNMq39gk34iSqR:AG4PNEdcScLcPcfnuk0yR
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nokif.exe -
Executes dropped EXE 1 IoCs
pid Process 1700 nokif.exe -
Loads dropped DLL 2 IoCs
pid Process 1988 e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe 1988 e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /q" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /t" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /l" nokif.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /s" nokif.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /v" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /j" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /e" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /y" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /g" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /d" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /f" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /i" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /p" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /u" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /k" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /w" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /r" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /o" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /a" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /x" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /c" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /b" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /n" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /z" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /m" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /h" nokif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nokif = "C:\\Users\\Admin\\nokif.exe /y" e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.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 1988 e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe 1700 nokif.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1988 e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe 1700 nokif.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1988 wrote to memory of 1700 1988 e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe 27 PID 1988 wrote to memory of 1700 1988 e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe 27 PID 1988 wrote to memory of 1700 1988 e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe 27 PID 1988 wrote to memory of 1700 1988 e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.exe"C:\Users\Admin\AppData\Local\Temp\e4f435f89c8f30517757f2ac1e5574fc935ade1d88ddeb1172ec171f23972ac6.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:1988 -
C:\Users\Admin\nokif.exe"C:\Users\Admin\nokif.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:1700
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
80KB
MD5872a687e88dbd1011daabc3730d70cc7
SHA174c11e7ee6149989cdc40a6bd1ae6d50ab3c4523
SHA25605379d818b9840a174712c36db77340ae0d5828cf8bf2d0676a1b3a557fe020d
SHA5125d674ff90c79e91d1b65392a4cbc1715a2a4644aff97e2c34d017c35094e329a11d68f9b3537bb0041c7041570d8b40eb4733480bd5d5667363c3077c1a45f12
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Filesize
80KB
MD5872a687e88dbd1011daabc3730d70cc7
SHA174c11e7ee6149989cdc40a6bd1ae6d50ab3c4523
SHA25605379d818b9840a174712c36db77340ae0d5828cf8bf2d0676a1b3a557fe020d
SHA5125d674ff90c79e91d1b65392a4cbc1715a2a4644aff97e2c34d017c35094e329a11d68f9b3537bb0041c7041570d8b40eb4733480bd5d5667363c3077c1a45f12
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Filesize
80KB
MD5872a687e88dbd1011daabc3730d70cc7
SHA174c11e7ee6149989cdc40a6bd1ae6d50ab3c4523
SHA25605379d818b9840a174712c36db77340ae0d5828cf8bf2d0676a1b3a557fe020d
SHA5125d674ff90c79e91d1b65392a4cbc1715a2a4644aff97e2c34d017c35094e329a11d68f9b3537bb0041c7041570d8b40eb4733480bd5d5667363c3077c1a45f12
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Filesize
80KB
MD5872a687e88dbd1011daabc3730d70cc7
SHA174c11e7ee6149989cdc40a6bd1ae6d50ab3c4523
SHA25605379d818b9840a174712c36db77340ae0d5828cf8bf2d0676a1b3a557fe020d
SHA5125d674ff90c79e91d1b65392a4cbc1715a2a4644aff97e2c34d017c35094e329a11d68f9b3537bb0041c7041570d8b40eb4733480bd5d5667363c3077c1a45f12