Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2022, 07:27
Static task
static1
Behavioral task
behavioral1
Sample
d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe
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Size
120KB
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MD5
5e9787a48483b86ab45d57b987bd966a
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SHA1
ac3aeed6d66fd22484c8b273a850cc51739e5b34
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SHA256
d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8
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SHA512
0cefe0086f5515580adbc2a3bf533816d525b43a6f5ba97a59a611b6352ed6d2199233c3aa385662186b24ee3d48792a883ac043cd270e6dfb4fcbf0db673007
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SSDEEP
3072:hcCbZSukOY8hrJFVNM/N/5sfqDfwqpg2Wi:iork6hrJ3NON/5sG9VH
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wkhuap.exe -
Executes dropped EXE 1 IoCs
pid Process 636 wkhuap.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /B" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /l" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /J" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /A" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /W" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /i" d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /u" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /R" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /O" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /L" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /U" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /E" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /m" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /S" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /b" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /v" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /p" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /i" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /x" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /V" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /q" wkhuap.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /P" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /g" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /T" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /w" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /a" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /s" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /t" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /o" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /G" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /c" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /K" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /X" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /M" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /y" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /e" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /D" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /n" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /Z" wkhuap.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /C" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /d" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /z" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /F" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /h" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /N" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /Q" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /f" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /k" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /H" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /Y" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /j" wkhuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkhuap = "C:\\Users\\Admin\\wkhuap.exe /r" wkhuap.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 3720 d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe 3720 d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe 636 wkhuap.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3720 d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe 636 wkhuap.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3720 wrote to memory of 636 3720 d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe 84 PID 3720 wrote to memory of 636 3720 d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe 84 PID 3720 wrote to memory of 636 3720 d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.exe"C:\Users\Admin\AppData\Local\Temp\d0a97fc775dceb1ddf17ab18ee1e3fcd740fa20dcf8b995b03321f96b07b53a8.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:3720 -
C:\Users\Admin\wkhuap.exe"C:\Users\Admin\wkhuap.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:636
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
120KB
MD5548b4a099e01b1c7e29c89ebdadacef0
SHA1102c891de088fe2620f72cd16a4d525526ce7c68
SHA256f3596015342c69e5cc12fcd4a9632db6760b0d2ff56f39b527104a3125093c71
SHA512aa76607b656199f30c5b80a9f8025fe161971ed290c380fc181c9455b600ce9e4ca78fe5f1f3aef770de7512ea65c3b866eee6c5b06c14d0f06d3103ea6870ef
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Filesize
120KB
MD5548b4a099e01b1c7e29c89ebdadacef0
SHA1102c891de088fe2620f72cd16a4d525526ce7c68
SHA256f3596015342c69e5cc12fcd4a9632db6760b0d2ff56f39b527104a3125093c71
SHA512aa76607b656199f30c5b80a9f8025fe161971ed290c380fc181c9455b600ce9e4ca78fe5f1f3aef770de7512ea65c3b866eee6c5b06c14d0f06d3103ea6870ef