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Analysis
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max time kernel
150s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06/11/2022, 15:21
Static task
static1
Behavioral task
behavioral1
Sample
5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f.exe
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Size
260KB
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MD5
0467c66c52a0079bfac187038f0ec17e
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SHA1
5fbec7002be8e4402671f02f7b0a36fb3453b5d4
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SHA256
5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f
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SHA512
14131dc67738f4b3b8c430c36fcf859621bca039c306996b738f093cff2f4edc7d75eebb3b06eb4bbd864a1962726a1839520b7ece2041310382495342a904af
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SSDEEP
3072:FgfAlNZovh25n/kZoSUjMqXnpWAkpAmTSrMaIOYt/jo7LAtPhjjtZnfHFEoWBfGs:FdDgTSrMaIl/jcLijfHFEHWzXvjT85R
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" dautai.exe -
Executes dropped EXE 1 IoCs
pid Process 1832 dautai.exe -
Loads dropped DLL 2 IoCs
pid Process 1104 5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f.exe 1104 5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f.exe -
Adds Run key to start application 2 TTPs 50 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /k" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /U" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /O" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /x" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /l" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /Y" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /R" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /c" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /p" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /H" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /v" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /a" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /B" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /Q" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /d" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /g" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /m" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /S" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /I" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /C" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /y" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /u" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /A" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /j" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /M" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /X" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /n" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /t" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /w" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /T" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /o" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /r" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /V" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /q" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /E" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /P" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /s" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /W" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /D" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /e" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /i" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /h" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /f" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /b" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /N" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /F" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /Z" dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /L" dautai.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ dautai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dautai = "C:\\Users\\Admin\\dautai.exe /J" dautai.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 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe 1832 dautai.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1104 5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f.exe 1832 dautai.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1104 wrote to memory of 1832 1104 5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f.exe 27 PID 1104 wrote to memory of 1832 1104 5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f.exe 27 PID 1104 wrote to memory of 1832 1104 5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f.exe 27 PID 1104 wrote to memory of 1832 1104 5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f.exe"C:\Users\Admin\AppData\Local\Temp\5a8fc8967a5bc599dc9f5e056e9a264255d1b973d1de6883a9b9440cc4f1e26f.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Users\Admin\dautai.exe"C:\Users\Admin\dautai.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:1832
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
260KB
MD5b4aba01cc06eb382d3d899a2c4bb6319
SHA1cd97b6e0c6881ca115c99f7cab5727efb7ba9282
SHA256698cce7646264068522bf3ff150074e124fffa3570d289c5a56f3d7a79d14bb9
SHA512b85310251d99862c10530068249511b662f22edac7448faef5c8776ae89f628562c069b0524eed0beb7d392bd031cd31912a080746f83713045ef1bcb96e4073
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Filesize
260KB
MD5b4aba01cc06eb382d3d899a2c4bb6319
SHA1cd97b6e0c6881ca115c99f7cab5727efb7ba9282
SHA256698cce7646264068522bf3ff150074e124fffa3570d289c5a56f3d7a79d14bb9
SHA512b85310251d99862c10530068249511b662f22edac7448faef5c8776ae89f628562c069b0524eed0beb7d392bd031cd31912a080746f83713045ef1bcb96e4073
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Filesize
260KB
MD5b4aba01cc06eb382d3d899a2c4bb6319
SHA1cd97b6e0c6881ca115c99f7cab5727efb7ba9282
SHA256698cce7646264068522bf3ff150074e124fffa3570d289c5a56f3d7a79d14bb9
SHA512b85310251d99862c10530068249511b662f22edac7448faef5c8776ae89f628562c069b0524eed0beb7d392bd031cd31912a080746f83713045ef1bcb96e4073
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Filesize
260KB
MD5b4aba01cc06eb382d3d899a2c4bb6319
SHA1cd97b6e0c6881ca115c99f7cab5727efb7ba9282
SHA256698cce7646264068522bf3ff150074e124fffa3570d289c5a56f3d7a79d14bb9
SHA512b85310251d99862c10530068249511b662f22edac7448faef5c8776ae89f628562c069b0524eed0beb7d392bd031cd31912a080746f83713045ef1bcb96e4073