Analysis
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max time kernel
162s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
21-10-2022 03:46
Static task
static1
Behavioral task
behavioral1
Sample
577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe
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Size
156KB
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MD5
70cc302775a0be9657249afebecdaed0
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SHA1
67b4538de25649f6788af8ff48a6bde5fbec7fe4
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SHA256
577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f
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SHA512
a51fc3f373f5f57bde7d522c824d7d73cb2d8f7b78b27a65e18e80fe18334d27a35e40f55c5096362d6cca6c79ec81981a20236e0ebf3e1d205253a08f96c326
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SSDEEP
3072:VKzwSpGbGb6JUBGnvZHpXtNLdZkkVYaZvLStH/h7yc2dK2E5j4oQlR:w8jbGb6JaGnvZZtNLdZkRapLmH8c2dCd
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" gauifih.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe -
Executes dropped EXE 1 IoCs
pid Process 1292 gauifih.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 577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /K" gauifih.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /U" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /Z" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /d" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /S" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /p" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /j" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /M" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /V" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /O" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /L" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /f" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /v" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /Y" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /x" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /e" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /m" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /B" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /P" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /g" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /T" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /n" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /k" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /s" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /t" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /b" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /W" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /r" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /l" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /A" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /H" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /E" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /G" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /I" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /y" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /z" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /q" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /Q" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /X" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /a" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /c" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /J" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /C" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /F" gauifih.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /g" 577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /w" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /D" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /h" gauifih.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gauifih = "C:\\Users\\Admin\\gauifih.exe /i" gauifih.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 4784 577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe 4784 577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe 1292 gauifih.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4784 577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe 1292 gauifih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4784 wrote to memory of 1292 4784 577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe 84 PID 4784 wrote to memory of 1292 4784 577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe 84 PID 4784 wrote to memory of 1292 4784 577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.exe"C:\Users\Admin\AppData\Local\Temp\577cc571f5ca8f1125dcacd9110f4e7da90e881d469533740943438fe256334f.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:4784 -
C:\Users\Admin\gauifih.exe"C:\Users\Admin\gauifih.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:1292
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
156KB
MD5e42d62479f94a1bab4dc72e0fc8224aa
SHA182c449a350b0fb805ff5fbff2a0244e2d4aff87d
SHA2566bff28e7da157c00868bc34c9920dd737da2d24a338065bc5e53b12a636460ce
SHA51266277941109f546330acd25c80786ae9f02d5f34cc439ee03a8dbc5ff47cdd8b0f9e503a9d4b5511202ec05aaaa5d4a93cd0c791eccf6a7b1f7b7b6c62c83cdf
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Filesize
156KB
MD5e42d62479f94a1bab4dc72e0fc8224aa
SHA182c449a350b0fb805ff5fbff2a0244e2d4aff87d
SHA2566bff28e7da157c00868bc34c9920dd737da2d24a338065bc5e53b12a636460ce
SHA51266277941109f546330acd25c80786ae9f02d5f34cc439ee03a8dbc5ff47cdd8b0f9e503a9d4b5511202ec05aaaa5d4a93cd0c791eccf6a7b1f7b7b6c62c83cdf