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Analysis
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max time kernel
171s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 20:42
Static task
static1
Behavioral task
behavioral1
Sample
208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe
Resource
win7-20220901-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe
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Size
124KB
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MD5
03c2ae015d082acf5e029d7f5701a400
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SHA1
b8741f9a1fc03e14aa76a575cea84d255a2b7b78
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SHA256
208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984
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SHA512
28331d1ed2cfbd0e44ce45c2b6e75e80abc5d7001060e68a27145322440ca8e48717d0956792cabc3f4977cced6e989482044aafe680c40fb8905f09ba5b60cf
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SSDEEP
3072:Pd6MoZAQ6J1hbkcoENMkKWQzmNjeoeHqHpOcdElGIrG9HG:F3oZAQoDk7E24NjBm
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" 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bianeas.exe -
Executes dropped EXE 2 IoCs
pid Process 2172 bianeas.exe 4636 bianeas.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 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /h" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /i" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /k" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /r" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /f" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /z" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /j" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /z" 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /s" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /e" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /c" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /d" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /y" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /t" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /v" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /m" bianeas.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /u" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /w" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /p" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /q" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /a" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /b" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /l" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /g" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /x" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /n" bianeas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bianeas = "C:\\Users\\Admin\\bianeas.exe /o" bianeas.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum bianeas.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 bianeas.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf bianeas.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1664 set thread context of 1208 1664 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 80 PID 2172 set thread context of 4636 2172 bianeas.exe 82 -
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 1208 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 1208 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe 4636 bianeas.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1664 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 1208 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 2172 bianeas.exe 4636 bianeas.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1664 wrote to memory of 1208 1664 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 80 PID 1664 wrote to memory of 1208 1664 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 80 PID 1664 wrote to memory of 1208 1664 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 80 PID 1664 wrote to memory of 1208 1664 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 80 PID 1664 wrote to memory of 1208 1664 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 80 PID 1664 wrote to memory of 1208 1664 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 80 PID 1664 wrote to memory of 1208 1664 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 80 PID 1664 wrote to memory of 1208 1664 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 80 PID 1664 wrote to memory of 1208 1664 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 80 PID 1208 wrote to memory of 2172 1208 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 81 PID 1208 wrote to memory of 2172 1208 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 81 PID 1208 wrote to memory of 2172 1208 208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe 81 PID 2172 wrote to memory of 4636 2172 bianeas.exe 82 PID 2172 wrote to memory of 4636 2172 bianeas.exe 82 PID 2172 wrote to memory of 4636 2172 bianeas.exe 82 PID 2172 wrote to memory of 4636 2172 bianeas.exe 82 PID 2172 wrote to memory of 4636 2172 bianeas.exe 82 PID 2172 wrote to memory of 4636 2172 bianeas.exe 82 PID 2172 wrote to memory of 4636 2172 bianeas.exe 82 PID 2172 wrote to memory of 4636 2172 bianeas.exe 82 PID 2172 wrote to memory of 4636 2172 bianeas.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe"C:\Users\Admin\AppData\Local\Temp\208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Users\Admin\AppData\Local\Temp\208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984.exe782⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1208 -
C:\Users\Admin\bianeas.exe"C:\Users\Admin\bianeas.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Users\Admin\bianeas.exe784⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4636
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
124KB
MD503c2ae015d082acf5e029d7f5701a400
SHA1b8741f9a1fc03e14aa76a575cea84d255a2b7b78
SHA256208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984
SHA51228331d1ed2cfbd0e44ce45c2b6e75e80abc5d7001060e68a27145322440ca8e48717d0956792cabc3f4977cced6e989482044aafe680c40fb8905f09ba5b60cf
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Filesize
124KB
MD503c2ae015d082acf5e029d7f5701a400
SHA1b8741f9a1fc03e14aa76a575cea84d255a2b7b78
SHA256208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984
SHA51228331d1ed2cfbd0e44ce45c2b6e75e80abc5d7001060e68a27145322440ca8e48717d0956792cabc3f4977cced6e989482044aafe680c40fb8905f09ba5b60cf
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Filesize
124KB
MD503c2ae015d082acf5e029d7f5701a400
SHA1b8741f9a1fc03e14aa76a575cea84d255a2b7b78
SHA256208b4ab8d3c7548298c42eca1325411acc4d758c0adf35167efebf68a2771984
SHA51228331d1ed2cfbd0e44ce45c2b6e75e80abc5d7001060e68a27145322440ca8e48717d0956792cabc3f4977cced6e989482044aafe680c40fb8905f09ba5b60cf