Analysis
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max time kernel
120s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
20/08/2024, 06:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bd3be383f988bcb73cc1808c4a270240N.exe
Resource
win7-20240708-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
bd3be383f988bcb73cc1808c4a270240N.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
bd3be383f988bcb73cc1808c4a270240N.exe
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Size
364KB
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MD5
bd3be383f988bcb73cc1808c4a270240
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SHA1
53680bee4bc869f4da27899d0caf8277b8c1d40b
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SHA256
ec6ca61775dc372a1a2059cc06b50acc294b9650c317ef8567473d6178725708
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SHA512
a822bc294e907b51070752e94a0e86560efc5583201648a5da5389f17e5b99adf024ae0f4176acf01213eb328baf73c97424a628bdf01787027f71e7d95c9486
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SSDEEP
3072:0mGAiXP9cJuGEnvBGKcHplTOoX56B4uE7U4iy+LwldhzNkYMvMZqvRWK6toRG9DO:29KuPnvBGdxYJxwphkYMvMZ/DO
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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tytev.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bd3be383f988bcb73cc1808c4a270240N.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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation bd3be383f988bcb73cc1808c4a270240N.exe -
Executes dropped EXE 1 IoCs
pid Process 3740 tytev.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /p" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /u" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /m" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /b" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /z" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /h" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /f" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /t" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /j" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /q" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /i" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /n" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /r" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /l" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /x" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /a" bd3be383f988bcb73cc1808c4a270240N.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /s" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /k" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /g" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /w" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /e" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /v" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /y" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /d" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /o" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /a" tytev.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tytev = "C:\\Users\\Admin\\tytev.exe /c" tytev.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 bd3be383f988bcb73cc1808c4a270240N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tytev.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4484 bd3be383f988bcb73cc1808c4a270240N.exe 4484 bd3be383f988bcb73cc1808c4a270240N.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe 3740 tytev.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4484 bd3be383f988bcb73cc1808c4a270240N.exe 3740 tytev.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4484 wrote to memory of 3740 4484 bd3be383f988bcb73cc1808c4a270240N.exe 89 PID 4484 wrote to memory of 3740 4484 bd3be383f988bcb73cc1808c4a270240N.exe 89 PID 4484 wrote to memory of 3740 4484 bd3be383f988bcb73cc1808c4a270240N.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\bd3be383f988bcb73cc1808c4a270240N.exe"C:\Users\Admin\AppData\Local\Temp\bd3be383f988bcb73cc1808c4a270240N.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\Users\Admin\tytev.exe"C:\Users\Admin\tytev.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:3740
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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
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Downloads
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Filesize
364KB
MD56e735b2431def8c3f96a2c4b8cfbef2d
SHA1e09908fec4872f2bb6ef38b5066acc14a7d3f4e6
SHA25614766f9d3d91b77a06e063babe0f815120eea74e4299da8b39b99dc175e71d45
SHA5122727dff21fae2534c777af7705d31f801c8f33c1b6a45a019b10dbdfd95db4c1fd0e2ffb485a8f89f39132483d7596570246ffde947e050ba0217133bb3048a7