Overview
overview
10Static
static
3323CANON.E...US.exe
windows7-x64
10323CANON.E...US.exe
windows10-2004-x64
10WORM_VOBFUS.exe
windows7-x64
10WORM_VOBFUS.exe
windows10-2004-x64
10WORM_VOBFUS.exe
windows7-x64
10WORM_VOBFUS.exe
windows10-2004-x64
10WORM_VOBFUS.exe
windows7-x64
7WORM_VOBFUS.exe
windows10-2004-x64
7Resubmissions
08/07/2025, 08:09
250708-j16kvavwcx 1004/07/2025, 04:30
250704-e483xsap8v 1013/05/2024, 10:29
240513-mjfjwabd28 10Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
13/05/2024, 10:29
Static task
static1
Behavioral task
behavioral1
Sample
323CANON.EXE_WORM_VOBFUS.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
323CANON.EXE_WORM_VOBFUS.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
WORM_VOBFUS.exe
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
WORM_VOBFUS.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
WORM_VOBFUS.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
WORM_VOBFUS.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
WORM_VOBFUS.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
WORM_VOBFUS.exe
Resource
win10v2004-20240226-en
General
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Target
WORM_VOBFUS.exe
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Size
188KB
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MD5
634aa845f5b0b519b6d8a8670b994906
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SHA1
82ad537a7acb18702a02b6dd2c6d12eaac0b3656
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SHA256
7f7e5751277a0169ec2eb4492b0489ca850808f64b52e708f716f46ac160e54b
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SHA512
63a72331fed9c53d593d2b572fc35efe24eb9d5d292cbe891765926de60987fefa0ddc95aa9037384e45f52015ef075c4ce9aaf9bd297e4e437f606104257cbf
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SSDEEP
3072:dzimFU1cIsisNUbaxF6qJDe94aqosAm+w90Z69:tisYGDe94aqosAm+w90C
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-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" WORM_VOBFUS.exe Set value (int) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yajip.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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation WORM_VOBFUS.exe -
Executes dropped EXE 1 IoCs
pid Process 4716 yajip.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /m" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /k" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /x" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /w" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /j" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /d" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /n" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /r" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /g" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /f" WORM_VOBFUS.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /b" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /v" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /i" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /o" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /l" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /a" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /p" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /c" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /y" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /t" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /h" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /z" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /q" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /f" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /e" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /u" yajip.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yajip = "C:\\Users\\Admin\\yajip.exe /s" yajip.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 4424 WORM_VOBFUS.exe 4424 WORM_VOBFUS.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe 4716 yajip.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4424 WORM_VOBFUS.exe 4716 yajip.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4424 wrote to memory of 4716 4424 WORM_VOBFUS.exe 92 PID 4424 wrote to memory of 4716 4424 WORM_VOBFUS.exe 92 PID 4424 wrote to memory of 4716 4424 WORM_VOBFUS.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\WORM_VOBFUS.exe"C:\Users\Admin\AppData\Local\Temp\WORM_VOBFUS.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:4424 -
C:\Users\Admin\yajip.exe"C:\Users\Admin\yajip.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:4716
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
188KB
MD5cd2e36438b8189e3417a1e121c64dfe9
SHA18b538409de05379228baac00275c0fe9aa7acd29
SHA256cc920df09426c1cbeb030b36288cc4d90edea5580ee0438cd1256da8a67ea7f2
SHA51259619b2aa41787d4be77ae922ac301849b2d64955fdaa77a25896d589415a14e573ba3abc793227c406e97ed01d68f7c37230df2c33a0523800fcf1084af0a72