Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/09/2024, 06:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe
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Size
184KB
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MD5
7c1c59164694d079dde9e840a5f68df0
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SHA1
f39cd3e73a80e750817a27964e8a50a1056c3424
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SHA256
1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72ab
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SHA512
120fd2a88d34a5148581de50d939440bbc7ac11937364737a4b8fc9e52a5aaba75bbc2ce54d08ab77b23aabcea168dc2d89ee7d114942b39e22db8d2ff5ff17c
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SSDEEP
3072:bX1cfl/BTyzcM+Knvmb7/D263i4qMbBQhAKIWOD2r1oX1/hcNcfAUane4RFsUZSY:pClpTFzKnvmb7/D26y4qMSyKbOD2r1oi
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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe Set value (int) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ypfeb.exe -
Executes dropped EXE 1 IoCs
pid Process 2772 ypfeb.exe -
Loads dropped DLL 2 IoCs
pid Process 3064 1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe 3064 1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /t" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /A" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /e" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /V" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /b" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /X" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /C" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /H" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /J" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /d" 1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /N" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /E" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /u" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /d" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /W" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /G" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /s" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /Q" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /c" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /I" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /T" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /l" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /M" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /v" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /Z" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /n" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /r" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /U" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /k" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /F" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /K" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /Y" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /a" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /D" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /f" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /i" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /y" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /p" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /j" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /S" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /R" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /w" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /g" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /m" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /z" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /L" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /h" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /P" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /O" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /x" ypfeb.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypfeb = "C:\\Users\\Admin\\ypfeb.exe /o" ypfeb.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 1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ypfeb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3064 1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe 2772 ypfeb.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3064 1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe 2772 ypfeb.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3064 wrote to memory of 2772 3064 1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe 30 PID 3064 wrote to memory of 2772 3064 1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe 30 PID 3064 wrote to memory of 2772 3064 1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe 30 PID 3064 wrote to memory of 2772 3064 1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.exe"C:\Users\Admin\AppData\Local\Temp\1d81e252736276a92b491baf5b7c81c6980f2934a73f2540df63d8df102b72abN.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:3064 -
C:\Users\Admin\ypfeb.exe"C:\Users\Admin\ypfeb.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:2772
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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
184KB
MD52fd27417253406ba918f449a68ac76ea
SHA1ebe228667207f86515471b04a3043411f4335b3c
SHA256f554ffcc8e7019beaf5ff39842dbac324c4ed8537d7808d4211080d81c31f3e7
SHA5120d70775123754d27dd39cab5160a27e694118936b2ffe12a9ee44efdd1396f09764789af3cfdaec5733f1d885f35d10fbf67f7f09159fb2a756bfccfacb576e7