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Analysis
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max time kernel
150s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03/09/2024, 12:43
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
rauoya.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
rauoya.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
rauoya.exe
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Size
56KB
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MD5
fcebd0a5c2a5b2cef46d4a79ae744a2c
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SHA1
fea86e8604a35f0cc57cddc78b9fab7118d11045
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SHA256
82dc4786dd9bbb6021a3d1e53819e21ffb2563e79d82e39ee75d57d39f4cd5cc
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SHA512
9b7def904b15ecc0f6d53f18e382a458efac403e7fa3c48602fd5bd2c6694184e70398cca8127472b611f8c3c5723de2bae4972b6b817e63cc028604f8e79b1a
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SSDEEP
768:BFHdPxexY2oeDf0mq/6/Q/9NF0+LEc8af3ts0E99:Ble4cq2oS+Ljb3ts0E99
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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yeazel.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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation rauoya.exe -
Executes dropped EXE 1 IoCs
pid Process 1744 yeazel.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeazel = "C:\\Users\\Admin\\yeazel.exe" yeazel.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 yeazel.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rauoya.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe 1744 yeazel.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4548 rauoya.exe 1744 yeazel.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4548 wrote to memory of 1744 4548 rauoya.exe 87 PID 4548 wrote to memory of 1744 4548 rauoya.exe 87 PID 4548 wrote to memory of 1744 4548 rauoya.exe 87 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82 PID 1744 wrote to memory of 4548 1744 yeazel.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\rauoya.exe"C:\Users\Admin\AppData\Local\Temp\rauoya.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Users\Admin\yeazel.exe"C:\Users\Admin\yeazel.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:1744
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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
56KB
MD55ed7604a07d2716bc4975750bdff82ed
SHA17a01be411c702d9693b709c7d5ced0d99cb1f5b2
SHA2566b7a606e15c0adf74caf4879e24a509757cf7fbf9892dbbba1efb601a254d9d6
SHA512a8485c697fc0dffc3c023a527c3e9ecdfff7c1f6c3a9a34988dc94a3dee967462f5c9b9aebcab7a110022c7a7edf00b66915e6a25b52d7205e2a3c03e34070ae