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Analysis
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max time kernel
39s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/09/2024, 20:08
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe
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Size
72KB
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MD5
bdd9f346740327b9f2e3ab702a20fff0
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SHA1
f33aaec26a1d492b6ab95423a788b122f8f87ed7
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SHA256
3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9
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SHA512
292083eaa3ea13a81b5213115a649d6adf557ad5114a9b58b0b8994a9fc6df5cc551a7316aa7e6c46c08abaa903493c3215d89c15011747796ac8b44d462c091
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SSDEEP
1536:pZBt3IQ2JkqDFNLIKc0u4VqrMZWXABAdY9:rf3IVDHBj9
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" keouy.exe -
Executes dropped EXE 1 IoCs
pid Process 2060 keouy.exe -
Loads dropped DLL 2 IoCs
pid Process 2520 3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe 2520 3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\keouy = "C:\\Users\\Admin\\keouy.exe" keouy.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language keouy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe -
Suspicious behavior: EnumeratesProcesses 42 IoCs
pid Process 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe 2060 keouy.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2520 3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe 2060 keouy.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2520 wrote to memory of 2060 2520 3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe 30 PID 2520 wrote to memory of 2060 2520 3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe 30 PID 2520 wrote to memory of 2060 2520 3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe 30 PID 2520 wrote to memory of 2060 2520 3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe 30 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29 PID 2060 wrote to memory of 2520 2060 keouy.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe"C:\Users\Admin\AppData\Local\Temp\3f92727f848a29c670f1239d30bc34284a407b21d5b9edf03c3d54ad77c31da9.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Users\Admin\keouy.exe"C:\Users\Admin\keouy.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2060
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
72KB
MD5db5efa4df841211710f8a25079d80983
SHA1c06d33d60ab00aaee19e8ad1a9409bc6810176e8
SHA256c7fe71bd6913ecb87d395c5150754a40e9c7aa26bf5736e6bc6a5247f1efa163
SHA512d51b75f79edcce3187306d89529cfca613a636dbcc83a57d15df824954b37559c006cb9a4160711ca5445c94949e1de01cf33dc7e78a954209a2a72715329094