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Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02/12/2022, 19:29
Static task
static1
Behavioral task
behavioral1
Sample
151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe
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Size
116KB
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MD5
bc8d24faa494bbb0375582ff05f2e696
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SHA1
806ec20eb888f25b59a2bda033db3d48130b6749
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SHA256
151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99
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SHA512
781f4fad9b1e8163a9febaa1723ca4a9c320e9685a96a0c376807f11f51bed24366e57de295a304279251c2b513d29110cd49eccab0f072f0eda8e56ef6c68ea
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SSDEEP
3072:C0T94Xnr99Rx7D/ONLd01eWkVkMfwhHX0WRVf:7Z477D2NLd01eWkVkMfwhHEWRF
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" 151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" qmcuk.exe -
Executes dropped EXE 1 IoCs
pid Process 3876 qmcuk.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 151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.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\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /p" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /b" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /i" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /m" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /z" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /u" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /e" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /q" 151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /y" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /v" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /h" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /l" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /j" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /q" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /w" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /g" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /x" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /c" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /o" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /k" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /a" qmcuk.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /t" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /f" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /d" qmcuk.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /s" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /n" qmcuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmcuk = "C:\\Users\\Admin\\qmcuk.exe /r" qmcuk.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 2416 151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe 2416 151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe 3876 qmcuk.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2416 151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe 3876 qmcuk.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2416 wrote to memory of 3876 2416 151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe 80 PID 2416 wrote to memory of 3876 2416 151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe 80 PID 2416 wrote to memory of 3876 2416 151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.exe"C:\Users\Admin\AppData\Local\Temp\151df0192ce1c9eae55e6628fa98cb9d3338cfaa6f76a2c4129bae4b05370e99.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:2416 -
C:\Users\Admin\qmcuk.exe"C:\Users\Admin\qmcuk.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:3876
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
116KB
MD554aa5b8301d62e7be47e249fefbfce42
SHA196add73a1cff56479094902ae9222ea3e672a5f5
SHA256c7a7f91d811870c0b5f0b948740fa42be408c6ecf99fb986e0c5c8184daced54
SHA5124ef4522fd1cb3a245b5da50923665fc6fc17834b12a7b728cf8f75b2a4cb6513d73e6a36c2fe9b31a83dc9f81cb7f8ce0590e085855d8808bfe9c00016509758
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Filesize
116KB
MD554aa5b8301d62e7be47e249fefbfce42
SHA196add73a1cff56479094902ae9222ea3e672a5f5
SHA256c7a7f91d811870c0b5f0b948740fa42be408c6ecf99fb986e0c5c8184daced54
SHA5124ef4522fd1cb3a245b5da50923665fc6fc17834b12a7b728cf8f75b2a4cb6513d73e6a36c2fe9b31a83dc9f81cb7f8ce0590e085855d8808bfe9c00016509758