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Analysis
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max time kernel
170s -
max time network
194s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 09:19
Static task
static1
Behavioral task
behavioral1
Sample
cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe
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Size
240KB
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MD5
3c74ab1f4881ec76b902f8d03381caca
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SHA1
00cb9486865eefa5427a63933eaa688d30be3558
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SHA256
cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f
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SHA512
d680a154343b0bf0d1b226045ab1ab8cc84ede12dadda66a70c94f4eedcad503cd3f923681b0b369eb0a08821db2f57f277fa4a2896cf1cbccd26eae13fa19f1
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SSDEEP
6144:XUOG3dwqsNwemAB0EqxF6snji81RUinKchhyCSQ:JkdQQJsN
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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wisas.exe -
Executes dropped EXE 1 IoCs
pid Process 3616 wisas.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /a" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /o" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /i" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /l" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /k" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /i" cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /d" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /y" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /h" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /x" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /f" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /z" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /b" wisas.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /g" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /r" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /w" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /n" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /j" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /v" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /c" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /u" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /e" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /p" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /t" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /m" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /q" wisas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wisas = "C:\\Users\\Admin\\wisas.exe /s" wisas.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 1532 cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe 1532 cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe 3616 wisas.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1532 cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe 3616 wisas.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1532 wrote to memory of 3616 1532 cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe 84 PID 1532 wrote to memory of 3616 1532 cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe 84 PID 1532 wrote to memory of 3616 1532 cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.exe"C:\Users\Admin\AppData\Local\Temp\cdb45add999d513cf4e9583651555c75f4e1f333c859e7811d75b9d93700fc4f.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:1532 -
C:\Users\Admin\wisas.exe"C:\Users\Admin\wisas.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:3616
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
240KB
MD5aded1dc968ffefbcef599462381672a2
SHA1a726be78bf5228f03044f90378c510c4e7c3c851
SHA2563ac606b5784900f910ca6dc5cf5cf9620a936c20b4432547c16cb7674f9182a3
SHA512ec708ffe4e0309d5729ac2c245916c1365d90550e96b5b78b54bac13a46129968e60015d8e6e5b4781ef351bb539c291863e60ae4570cf43dcddf99305fd91ec
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Filesize
240KB
MD5aded1dc968ffefbcef599462381672a2
SHA1a726be78bf5228f03044f90378c510c4e7c3c851
SHA2563ac606b5784900f910ca6dc5cf5cf9620a936c20b4432547c16cb7674f9182a3
SHA512ec708ffe4e0309d5729ac2c245916c1365d90550e96b5b78b54bac13a46129968e60015d8e6e5b4781ef351bb539c291863e60ae4570cf43dcddf99305fd91ec