Analysis
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max time kernel
151s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
22/10/2023, 14:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe
Resource
win7-20231020-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe
Resource
win10v2004-20231020-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe
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Size
100KB
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MD5
16b3d570258918d02abe6719f41b71f0
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SHA1
0f4979919e54e60319ad0ee87126b2ea8b0bde48
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SHA256
97c1090c561faa9c4eb1a468af9034aca8b6197f983845078e4adeeeec620412
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SHA512
7c70e4b10eff2d4858026f898574752c6577afe759dab46231d7ce816ce18fa6d6a9315a3ff565d5c2264f4a138324aa386cea4900ffcd6ad7f9c2151b704475
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SSDEEP
1536:3iWlcX220mQ/oexJKIRGWcOUP7vXArnY1ZqAefzyeshNIjnZZ:ypQ/mNAfzyemCnb
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-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" jkfow.exe Set value (int) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe -
Executes dropped EXE 1 IoCs
pid Process 3064 jkfow.exe -
Loads dropped DLL 2 IoCs
pid Process 1740 NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe 1740 NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /Q" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /z" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /C" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /W" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /p" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /l" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /w" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /D" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /g" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /B" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /j" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /G" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /v" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /x" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /L" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /c" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /K" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /N" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /o" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /u" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /P" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /d" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /R" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /Y" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /U" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /b" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /s" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /F" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /m" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /E" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /M" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /k" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /a" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /n" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /Z" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /q" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /H" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /e" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /S" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /r" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /Z" NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /V" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /A" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /O" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /i" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /f" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /I" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /T" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /X" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /t" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /h" jkfow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3837739534-3148647840-3445085216-1000\Software\Microsoft\Windows\CurrentVersion\Run\jkfow = "C:\\Users\\Admin\\jkfow.exe /J" jkfow.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1740 NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe 3064 jkfow.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1740 NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe 3064 jkfow.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1740 wrote to memory of 3064 1740 NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe 28 PID 1740 wrote to memory of 3064 1740 NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe 28 PID 1740 wrote to memory of 3064 1740 NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe 28 PID 1740 wrote to memory of 3064 1740 NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.16b3d570258918d02abe6719f41b71f0_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.16b3d570258918d02abe6719f41b71f0_JC.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:1740 -
C:\Users\Admin\jkfow.exe"C:\Users\Admin\jkfow.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:3064
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
100KB
MD5d14cdacd8fb4770a32eb6387a0a0cf45
SHA19fb8a8e6890ea08009a9939cce86d13e1cab68c4
SHA2568035d04f0fa1044218229322f99fba52e3d3673cf77cf31e9b0a3978cf1d022a
SHA5122cf39e318ae40ac70e8154f1ededd6d2f9fdc0b9de5f04bc71cd07b0e60d84c917eb7bbc8cbf430db5dc2c7ffc5895ea7e952028bf22df134767adab4ff4785d
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Filesize
100KB
MD5d14cdacd8fb4770a32eb6387a0a0cf45
SHA19fb8a8e6890ea08009a9939cce86d13e1cab68c4
SHA2568035d04f0fa1044218229322f99fba52e3d3673cf77cf31e9b0a3978cf1d022a
SHA5122cf39e318ae40ac70e8154f1ededd6d2f9fdc0b9de5f04bc71cd07b0e60d84c917eb7bbc8cbf430db5dc2c7ffc5895ea7e952028bf22df134767adab4ff4785d
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Filesize
100KB
MD5d14cdacd8fb4770a32eb6387a0a0cf45
SHA19fb8a8e6890ea08009a9939cce86d13e1cab68c4
SHA2568035d04f0fa1044218229322f99fba52e3d3673cf77cf31e9b0a3978cf1d022a
SHA5122cf39e318ae40ac70e8154f1ededd6d2f9fdc0b9de5f04bc71cd07b0e60d84c917eb7bbc8cbf430db5dc2c7ffc5895ea7e952028bf22df134767adab4ff4785d
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Filesize
100KB
MD5d14cdacd8fb4770a32eb6387a0a0cf45
SHA19fb8a8e6890ea08009a9939cce86d13e1cab68c4
SHA2568035d04f0fa1044218229322f99fba52e3d3673cf77cf31e9b0a3978cf1d022a
SHA5122cf39e318ae40ac70e8154f1ededd6d2f9fdc0b9de5f04bc71cd07b0e60d84c917eb7bbc8cbf430db5dc2c7ffc5895ea7e952028bf22df134767adab4ff4785d
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Filesize
100KB
MD5d14cdacd8fb4770a32eb6387a0a0cf45
SHA19fb8a8e6890ea08009a9939cce86d13e1cab68c4
SHA2568035d04f0fa1044218229322f99fba52e3d3673cf77cf31e9b0a3978cf1d022a
SHA5122cf39e318ae40ac70e8154f1ededd6d2f9fdc0b9de5f04bc71cd07b0e60d84c917eb7bbc8cbf430db5dc2c7ffc5895ea7e952028bf22df134767adab4ff4785d