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Analysis
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max time kernel
152s -
max time network
155s -
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, 14:05
Static task
static1
Behavioral task
behavioral1
Sample
cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe
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Size
144KB
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MD5
a24134f811f84f5099d2fdf1a67a7620
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SHA1
acaa815c888c106554796379b5756d5f61833c65
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SHA256
cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279
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SHA512
93047d056f2735f316ffcc43632491c90cd280b079807fd6c3ac066c6ff1c34c9eefe2441b079acc799fbb29dc73acd8a9c2f52b02f3f1b2f60ce3a1c32e2276
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SSDEEP
1536:B6DuxKPWt3obF0gja0G+UAqn2z3HldglfL3wi65IWS9qfmAhjimR:UDMKOtgSDplAVelfTWI6fmAFimR
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" gaday.exe -
Executes dropped EXE 1 IoCs
pid Process 1192 gaday.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /h" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /n" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /b" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /i" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /n" cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /x" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /q" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /j" gaday.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /e" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /r" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /g" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /a" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /d" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /z" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /m" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /l" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /s" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /y" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /w" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /c" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /o" gaday.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /v" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /k" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /u" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /f" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /p" gaday.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaday = "C:\\Users\\Admin\\gaday.exe /t" gaday.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 4292 cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe 4292 cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe 1192 gaday.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4292 cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe 1192 gaday.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4292 wrote to memory of 1192 4292 cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe 81 PID 4292 wrote to memory of 1192 4292 cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe 81 PID 4292 wrote to memory of 1192 4292 cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.exe"C:\Users\Admin\AppData\Local\Temp\cb650784b6128476c7eae465f4b20cf65b2abf5b24a801862dba92a06a008279.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:4292 -
C:\Users\Admin\gaday.exe"C:\Users\Admin\gaday.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:1192
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
144KB
MD5a0fccb6be77b0353deb982fd71a911c8
SHA12026ff2bfd3b65c7a159effafeb389f89572251a
SHA256e3804ce2426d31903007b926cbb6a3c1161367ceea3d70d56870c4517c18a229
SHA512f204f3c04e19d77009e93d6e4a05160d0fc90b85876a35299874ff1b25180715fe134925346dd9824de81e8755418ed2b01088c532bba3cdaf9a631c15c498ff
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Filesize
144KB
MD5a0fccb6be77b0353deb982fd71a911c8
SHA12026ff2bfd3b65c7a159effafeb389f89572251a
SHA256e3804ce2426d31903007b926cbb6a3c1161367ceea3d70d56870c4517c18a229
SHA512f204f3c04e19d77009e93d6e4a05160d0fc90b85876a35299874ff1b25180715fe134925346dd9824de81e8755418ed2b01088c532bba3cdaf9a631c15c498ff