Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/09/2024, 01:36
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe
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Size
252KB
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MD5
ad9681528119d95bc284cce4c18c0a90
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SHA1
fd727d047a28c65f639e595eca7e153f8d404df8
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SHA256
3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99e
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SHA512
5ab174e9d428dd99294f899848bed6c7c1bb2c70e7603f44cc2b4b821f7a697a15f2ccc5ded0cca53ffa512d5185b437a974dca33d24f71b0eefca6a000406fb
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SSDEEP
6144:H3amGHIU6Pr7FXlbWc3PuV/rvGXUf39GZjJ21OhCJiviq2YWDppQ7zJ:H3BPr7FXlbWc3PuV/r+XUf39GZjJ21Oh
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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe Set value (int) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yeevav.exe -
Executes dropped EXE 1 IoCs
pid Process 2784 yeevav.exe -
Loads dropped DLL 2 IoCs
pid Process 2424 3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe 2424 3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /v" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /I" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /z" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /f" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /a" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /c" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /H" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /K" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /s" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /G" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /T" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /m" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /L" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /h" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /N" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /j" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /t" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /k" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /X" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /B" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /E" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /e" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /q" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /A" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /p" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /U" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /C" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /l" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /i" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /b" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /w" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /y" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /M" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /u" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /Z" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /n" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /g" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /Y" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /D" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /o" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /Q" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /r" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /W" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /F" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /S" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /J" 3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /R" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /J" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /d" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /P" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /x" yeevav.exe Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeevav = "C:\\Users\\Admin\\yeevav.exe /V" yeevav.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 3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language yeevav.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2424 3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe 2784 yeevav.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2424 3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe 2784 yeevav.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2424 wrote to memory of 2784 2424 3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe 30 PID 2424 wrote to memory of 2784 2424 3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe 30 PID 2424 wrote to memory of 2784 2424 3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe 30 PID 2424 wrote to memory of 2784 2424 3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe"C:\Users\Admin\AppData\Local\Temp\3e03423403b24dd67b75eca7f506291c7a82b111554a30ffdb095c0e4a69f99eN.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Users\Admin\yeevav.exe"C:\Users\Admin\yeevav.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
PID:2784
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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
252KB
MD5b290fbade4304a22222b62155994e1d2
SHA1bf61c50e1fbfc4ef404300421edba13b6976a0ec
SHA2567f47ad612475bcff6d00acf07e559cd7ff7505e76f860f2565b6c26ba1ec47df
SHA512e1c60802bb848dc39067b40853949a9fc5bd7ea38cb7bbb14df36a66ef341769bcdc9bf169f7e3b3191ef0d5b5f0360ed24ffd4c2f4480284e86b77f4eef1549