Analysis
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max time kernel
203s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
14/10/2022, 10:15
Static task
static1
Behavioral task
behavioral1
Sample
768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe
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Size
92KB
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MD5
63824bfdc92ae6f486001b85b7d87691
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SHA1
fb52a96383236dc8f04c69418b42b89ca1a84b15
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SHA256
768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4
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SHA512
a5d3d8cc3f25ab7fe3127c022cd27eec54109a17736025cbd7012db669568ac9d245bfb119d9c7e5f14462b99962b5f846016b6040ef02e77755a5b12d215304
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SSDEEP
1536:0NTtZODsZFrXQ09puSTksMcxa2/w/MyOKvxRnmwXvWsl7zP3+uv+8sraiL8VPQ2D:sMiVXd9puSTkiro/MyOKvxRnmwXvWslT
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" beiha.exe -
Executes dropped EXE 1 IoCs
pid Process 3136 beiha.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /l" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /z" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /j" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /b" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /k" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /m" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /e" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /s" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /h" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /g" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /n" beiha.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /y" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /i" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /x" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /w" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /o" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /r" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /c" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /d" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /y" 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /a" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /v" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /q" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /t" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /u" beiha.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /p" beiha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beiha = "C:\\Users\\Admin\\beiha.exe /f" beiha.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 5012 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 5012 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe 3136 beiha.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5012 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 3136 beiha.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5012 wrote to memory of 3136 5012 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 81 PID 5012 wrote to memory of 3136 5012 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 81 PID 5012 wrote to memory of 3136 5012 768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.exe"C:\Users\Admin\AppData\Local\Temp\768b42f9dbf184b4eded24287383ef9f0f7347a5d1f39f3b3e2ebe4e7977a7e4.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:5012 -
C:\Users\Admin\beiha.exe"C:\Users\Admin\beiha.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:3136
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
92KB
MD5f037219c61ec17fbb2ff2b3ec348ae67
SHA146120942beaeac52a4acc3a4f292ef077b58a751
SHA256aa474e08eb05c38eb123ea367254d919c8a4133c5807746da570720ced67f682
SHA5120c6285d927fb18e0318365005148584be90f04e7f50189528233871695cbf7bba53cdaf5eecb18c3b2c6652999aecd8bcaab4def36604e86093e752a56e9411f
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Filesize
92KB
MD5f037219c61ec17fbb2ff2b3ec348ae67
SHA146120942beaeac52a4acc3a4f292ef077b58a751
SHA256aa474e08eb05c38eb123ea367254d919c8a4133c5807746da570720ced67f682
SHA5120c6285d927fb18e0318365005148584be90f04e7f50189528233871695cbf7bba53cdaf5eecb18c3b2c6652999aecd8bcaab4def36604e86093e752a56e9411f