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Analysis
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max time kernel
162s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 19:39
Static task
static1
Behavioral task
behavioral1
Sample
df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe
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Size
312KB
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MD5
9092add06bff06023a91de2313192e0b
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SHA1
e208779d6bca8b560257e2dea91d10f825435d52
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SHA256
df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1
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SHA512
947b33ffa0986b3160cb2ecf6a87e999e18b9c9daf0b1051e352573440bed8c261ea959b5d2212b44196eb8acff0d13fe5a45712818c9affdb298c2ff2bec6d1
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SSDEEP
6144:8l6EWvTlIpr1f+XqO5pOmS6FRb6OyLPmUQFJ:cOTlIB1f+551vsPmUQFJ
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" df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kiiecu.exe -
Executes dropped EXE 1 IoCs
pid Process 3336 kiiecu.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 df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.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\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /d" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /q" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /r" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /j" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /s" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /g" kiiecu.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /l" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /w" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /b" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /m" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /t" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /f" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /z" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /x" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /k" kiiecu.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /e" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /n" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /y" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /v" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /a" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /u" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /i" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /c" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /o" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /p" kiiecu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /q" df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiiecu = "C:\\Users\\Admin\\kiiecu.exe /h" kiiecu.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 2112 df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe 2112 df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe 3336 kiiecu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2112 df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe 3336 kiiecu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2112 wrote to memory of 3336 2112 df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe 82 PID 2112 wrote to memory of 3336 2112 df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe 82 PID 2112 wrote to memory of 3336 2112 df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.exe"C:\Users\Admin\AppData\Local\Temp\df5207b446cebf7c506e5a14ff3cfe60fc744c4967a16237e159163aefa5dcd1.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:2112 -
C:\Users\Admin\kiiecu.exe"C:\Users\Admin\kiiecu.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:3336
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
312KB
MD551d1b6becc55c629619d0ffa4bc8cafe
SHA16822b3a16cf94828d8e5561649e9dd76928d1d2e
SHA2566695b6f3e89f9c063b743515410e70f04ff567a09c24d72537440c5f0826a4fc
SHA5122dd0fbb6ca30e51858671d714ab83558ab5d70cb9d25976ecc0a99e79d98ebda73d2b875dabc9a92e59476841d4caec9c84c3d2124bfc936ac679e785dfa5da1
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Filesize
312KB
MD551d1b6becc55c629619d0ffa4bc8cafe
SHA16822b3a16cf94828d8e5561649e9dd76928d1d2e
SHA2566695b6f3e89f9c063b743515410e70f04ff567a09c24d72537440c5f0826a4fc
SHA5122dd0fbb6ca30e51858671d714ab83558ab5d70cb9d25976ecc0a99e79d98ebda73d2b875dabc9a92e59476841d4caec9c84c3d2124bfc936ac679e785dfa5da1