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Analysis
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max time kernel
152s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 08:22
Static task
static1
Behavioral task
behavioral1
Sample
ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe
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Size
248KB
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MD5
3729c333a99d8a9f84382b9349442bbb
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SHA1
655e7a184eaf82738b84dc2af450e55c782dd074
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SHA256
ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf
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SHA512
05d42b0c1ebbf6ff8a56586ea7c99c8a8077a3966005e1e9b585dac55bdef22ab14183c73c4f34d6ab59477b381a4a2c4ae5d034132a3a72d8062de2e2ee0816
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SSDEEP
3072:Qm38bUQSx5jJhU8hPsOkQJeJ7JwJHJ6JkBTriGXfXkGN3tqZ4xoRg4Sx+Tidcpfg:pUUBdhh3op2pYOF0yIdGFGO
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" jkhouv.exe -
Executes dropped EXE 1 IoCs
pid Process 4832 jkhouv.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /x" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /e" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /q" jkhouv.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /s" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /m" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /i" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /c" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /f" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /t" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /r" ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /h" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /g" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /r" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /d" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /p" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /j" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /v" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /k" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /w" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /o" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /z" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /b" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /a" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /y" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /u" jkhouv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /n" jkhouv.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jkhouv = "C:\\Users\\Admin\\jkhouv.exe /l" jkhouv.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 1236 ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe 1236 ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe 4832 jkhouv.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1236 ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe 4832 jkhouv.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1236 wrote to memory of 4832 1236 ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe 80 PID 1236 wrote to memory of 4832 1236 ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe 80 PID 1236 wrote to memory of 4832 1236 ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe"C:\Users\Admin\AppData\Local\Temp\ab58eb6ed7a63d0e8e442c3ce19f12fcd0f408582fd3aa6e37aa371bc272cbdf.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Users\Admin\jkhouv.exe"C:\Users\Admin\jkhouv.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:4832
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
248KB
MD5fad41729f220ddba1268716e974bc5b0
SHA15b93f61672827fa1b5f52d38c5c3b4406970ebc1
SHA256f0f479c0f6047c04721dba8acede225719df7eb4e6540c925a0c46adaeee6ed5
SHA512793cb67baa2847502f73272a9b14fb3abd8c0b884e064a16f87ab648b54b529b38568b945f29a74c9542d5a3dfb83a3d3ac266854d1e5d1784e3e85bd10fae2f
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Filesize
248KB
MD5fad41729f220ddba1268716e974bc5b0
SHA15b93f61672827fa1b5f52d38c5c3b4406970ebc1
SHA256f0f479c0f6047c04721dba8acede225719df7eb4e6540c925a0c46adaeee6ed5
SHA512793cb67baa2847502f73272a9b14fb3abd8c0b884e064a16f87ab648b54b529b38568b945f29a74c9542d5a3dfb83a3d3ac266854d1e5d1784e3e85bd10fae2f