Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 00:17
Static task
static1
Behavioral task
behavioral1
Sample
c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe
Resource
win10v2004-20220812-en
General
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Target
c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe
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Size
268KB
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MD5
536096802a53fe15d4e7adc64e4f25a0
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SHA1
bb48439b18ac2fcb6d6cf1ae47266ffd64d4a86e
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SHA256
c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87
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SHA512
96db14613b87c75fb08807f7a9d5111e46c0f6868f8282c5d396f92a7f5ab7df4cdd79595b1eb9cdb71075f699c0c813f4f27bb3fc6f603bc27db323308dd507
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SSDEEP
3072:asSQrIhZDY1zuBvLen8DlZniqBXv7yOsWvgbsmmHX0WRgs:aCMQ1qFy8xZnisyOs2THEWRj
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
Processes:
c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exewfjiz.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wfjiz.exe -
Executes dropped EXE 1 IoCs
Processes:
wfjiz.exepid process 5084 wfjiz.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe -
Adds Run key to start application 2 TTPs 29 IoCs
Processes:
c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exewfjiz.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /s" c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /j" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /p" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /b" wfjiz.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /w" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /q" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /r" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /y" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /t" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /h" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /n" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /i" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /m" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /z" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /f" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /k" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /u" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /v" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /o" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /d" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /e" wfjiz.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /l" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /s" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /x" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /c" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /g" wfjiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /a" wfjiz.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
Processes:
c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exewfjiz.exepid process 5048 c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe 5048 c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe 5084 wfjiz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exewfjiz.exepid process 5048 c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe 5084 wfjiz.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exedescription pid process target process PID 5048 wrote to memory of 5084 5048 c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe wfjiz.exe PID 5048 wrote to memory of 5084 5048 c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe wfjiz.exe PID 5048 wrote to memory of 5084 5048 c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe wfjiz.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe"C:\Users\Admin\AppData\Local\Temp\c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.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:5048 -
C:\Users\Admin\wfjiz.exe"C:\Users\Admin\wfjiz.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:5084
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
268KB
MD58149e016b953e1ae357ee1f307577ed1
SHA10269cf96d28cba7d3ca5d34bcf5b0d1a2256a53d
SHA2563522e252daaa86bf961d2ed910dd4152ea53c04689ac6dc682a910b9f80c2b9f
SHA5129f71517228fabff0c496ad4c271ca681fb983430d23a9b206b10833fb0e0ed9551599544b0f9ca1d4f04f19758bf66276cd917d4a69490519bf0c0e282a1076e
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Filesize
268KB
MD58149e016b953e1ae357ee1f307577ed1
SHA10269cf96d28cba7d3ca5d34bcf5b0d1a2256a53d
SHA2563522e252daaa86bf961d2ed910dd4152ea53c04689ac6dc682a910b9f80c2b9f
SHA5129f71517228fabff0c496ad4c271ca681fb983430d23a9b206b10833fb0e0ed9551599544b0f9ca1d4f04f19758bf66276cd917d4a69490519bf0c0e282a1076e