Analysis
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max time kernel
156s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19-10-2022 12:57
Static task
static1
Behavioral task
behavioral1
Sample
fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe
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Size
212KB
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MD5
910839cb6b172870dcf2e6f91b573f19
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SHA1
e681db75bd71c4c4a028c68b97409bd21fc24be4
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SHA256
fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde
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SHA512
37ca95e3b75f57925d79f6a5d994e138771768eaee782f9c9d918f64c041517f8e832257a4c16b2e9882e8b86de123844747d5ebd8fe6d0b9af7ebeebbb5084e
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SSDEEP
1536:Gx0ZFRldoIXG/CRYlI4cd9Lv2PElgWzNoN274B/K51ptaHElfTczpyFar2/AgAIK:+WR/oI1qGp+aNoN2N0YAcXHi
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yejuj.exe -
Executes dropped EXE 1 IoCs
pid Process 360 yejuj.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /k" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /n" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /l" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /s" fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /t" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /w" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /p" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /c" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /s" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /f" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /e" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /r" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /b" yejuj.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /v" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /m" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /d" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /u" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /j" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /a" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /z" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /g" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /i" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /x" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /y" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /o" yejuj.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /q" yejuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yejuj = "C:\\Users\\Admin\\yejuj.exe /h" yejuj.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 5000 fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe 5000 fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe 360 yejuj.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5000 fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe 360 yejuj.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5000 wrote to memory of 360 5000 fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe 83 PID 5000 wrote to memory of 360 5000 fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe 83 PID 5000 wrote to memory of 360 5000 fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.exe"C:\Users\Admin\AppData\Local\Temp\fa6796a144baa096092ec1d01ffc192ab0c7480721f9c683405b00e9f2052bde.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:5000 -
C:\Users\Admin\yejuj.exe"C:\Users\Admin\yejuj.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:360
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
212KB
MD544752a4791fcc52deb1208dcc6d4be64
SHA1932723e3b041f2a83925212b74d772526354f06a
SHA25698190a6ea8ff38269681134b05f49cfba19971901dbc2793b61028088a7784ab
SHA51200a16b2e36eb0eddcde68339eabb3afc7eedc4b06857ad5a0d970ae3e36013311c06d1a6c89b4eb0a3a3837323ca25a5b685692545862930d7b61b075893d342
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Filesize
212KB
MD544752a4791fcc52deb1208dcc6d4be64
SHA1932723e3b041f2a83925212b74d772526354f06a
SHA25698190a6ea8ff38269681134b05f49cfba19971901dbc2793b61028088a7784ab
SHA51200a16b2e36eb0eddcde68339eabb3afc7eedc4b06857ad5a0d970ae3e36013311c06d1a6c89b4eb0a3a3837323ca25a5b685692545862930d7b61b075893d342