Analysis
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max time kernel
119s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/11/2024, 12:11
Static task
static1
Behavioral task
behavioral1
Sample
6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe
Resource
win10v2004-20241007-en
General
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Target
6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe
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Size
48KB
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MD5
3b64f2c1b4520d54447d2fb7dcd0e7fc
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SHA1
41ead6f5412cc798de45a93aa2ee15928f18fd57
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SHA256
e588fe9e28e78e525e7e045122ff008fd8c66e2fb46dbd52c5a7375c8f9b244c
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SHA512
21ff50131d2a140b16b00ae4865f527570f165e045b0f60cc5303c46f34b52f1d1dfd505db6f6111533e8493f0c86fc258fdb29e1bb748a43ede3e9287625434
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SSDEEP
1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+uhIehXehXhHh/:E1oEFlt6vghzwYu7vih9GueIh9j2IoHi
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1456 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1456 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
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 6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4644 wrote to memory of 1456 4644 6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe 84 PID 4644 wrote to memory of 1456 4644 6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe 84 PID 4644 wrote to memory of 1456 4644 6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe"C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1456
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD532a336435e7063a3e3ef79ae96b00cfd
SHA1cade3d3f5bd1f4666c68fcfdde2e0a6abaf3628a
SHA2568641cb57e5fbe33df7eff8eaed0bf39cc833a8dc98593afc69e37b5345d05b9a
SHA512c2597c61c76dcbb1c996e2f2f85e251c395c75a44d20252e36e7b1bf00b8563ac52471c21b5b3c85faf52f696261a8766d47388288e23f2982332a8f5f3c5969