Analysis
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max time kernel
151s -
max time network
152s -
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
b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe
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Size
124KB
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MD5
0ac1895f54e87ac3941b62975fef75ff
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SHA1
7ab16e3dd7ae8183329b33a2cb3b2752f232b6f5
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SHA256
b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08
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SHA512
a223b218db5b5ceadd6f99dd93292fef3472c5a40e10bcf5fd5b9a0a720de5dcf2f6c16776c24bc2aa477bd3ad7888b372b92c30442961fc8051d5a9d7ee9e0d
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SSDEEP
3072:ng6msFsIoXWzovRV9o5dY8bCss4oeHqHpOcdElGIrGMPM:gCsIzo39o5+8lk
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" b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bhzan.exe -
Executes dropped EXE 2 IoCs
pid Process 5040 bhzan.exe 1060 bhzan.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 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.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\bhzan = "C:\\Users\\Admin\\bhzan.exe /f" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /b" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /g" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /w" b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /e" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /l" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /m" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /d" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /s" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /j" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /a" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /z" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /w" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /t" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /i" bhzan.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /p" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /k" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /r" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /n" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /q" bhzan.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /x" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /o" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /u" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /v" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /y" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /c" bhzan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bhzan = "C:\\Users\\Admin\\bhzan.exe /h" bhzan.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 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum bhzan.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 bhzan.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 bhzan.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3712 set thread context of 3436 3712 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 80 PID 5040 set thread context of 1060 5040 bhzan.exe 85 -
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 3436 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 3436 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe 1060 bhzan.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3712 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 3436 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 5040 bhzan.exe 1060 bhzan.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 3712 wrote to memory of 3436 3712 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 80 PID 3712 wrote to memory of 3436 3712 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 80 PID 3712 wrote to memory of 3436 3712 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 80 PID 3712 wrote to memory of 3436 3712 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 80 PID 3712 wrote to memory of 3436 3712 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 80 PID 3712 wrote to memory of 3436 3712 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 80 PID 3712 wrote to memory of 3436 3712 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 80 PID 3712 wrote to memory of 3436 3712 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 80 PID 3712 wrote to memory of 3436 3712 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 80 PID 3436 wrote to memory of 5040 3436 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 84 PID 3436 wrote to memory of 5040 3436 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 84 PID 3436 wrote to memory of 5040 3436 b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe 84 PID 5040 wrote to memory of 1060 5040 bhzan.exe 85 PID 5040 wrote to memory of 1060 5040 bhzan.exe 85 PID 5040 wrote to memory of 1060 5040 bhzan.exe 85 PID 5040 wrote to memory of 1060 5040 bhzan.exe 85 PID 5040 wrote to memory of 1060 5040 bhzan.exe 85 PID 5040 wrote to memory of 1060 5040 bhzan.exe 85 PID 5040 wrote to memory of 1060 5040 bhzan.exe 85 PID 5040 wrote to memory of 1060 5040 bhzan.exe 85 PID 5040 wrote to memory of 1060 5040 bhzan.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe"C:\Users\Admin\AppData\Local\Temp\b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3712 -
C:\Users\Admin\AppData\Local\Temp\b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08.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:3436 -
C:\Users\Admin\bhzan.exe"C:\Users\Admin\bhzan.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Users\Admin\bhzan.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:1060
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
124KB
MD50ac1895f54e87ac3941b62975fef75ff
SHA17ab16e3dd7ae8183329b33a2cb3b2752f232b6f5
SHA256b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08
SHA512a223b218db5b5ceadd6f99dd93292fef3472c5a40e10bcf5fd5b9a0a720de5dcf2f6c16776c24bc2aa477bd3ad7888b372b92c30442961fc8051d5a9d7ee9e0d
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Filesize
124KB
MD50ac1895f54e87ac3941b62975fef75ff
SHA17ab16e3dd7ae8183329b33a2cb3b2752f232b6f5
SHA256b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08
SHA512a223b218db5b5ceadd6f99dd93292fef3472c5a40e10bcf5fd5b9a0a720de5dcf2f6c16776c24bc2aa477bd3ad7888b372b92c30442961fc8051d5a9d7ee9e0d
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Filesize
124KB
MD50ac1895f54e87ac3941b62975fef75ff
SHA17ab16e3dd7ae8183329b33a2cb3b2752f232b6f5
SHA256b4650e697544f34af3bf3413fba0fedb874f843c6a515cc03bfafe8c282b8d08
SHA512a223b218db5b5ceadd6f99dd93292fef3472c5a40e10bcf5fd5b9a0a720de5dcf2f6c16776c24bc2aa477bd3ad7888b372b92c30442961fc8051d5a9d7ee9e0d