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Analysis
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max time kernel
151s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10/10/2023, 19:44
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe
Resource
win10v2004-20230915-en
General
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Target
NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe
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Size
67KB
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MD5
b45f6580dd149801c80bbe23a70950bf
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SHA1
c48c5cc3829bc98cb14a649674866595d6786837
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SHA256
b0f2d91e0a074f01c9c1dfbf21046b6f9ef90de5a9e9df8798934abf39a76ef7
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SHA512
20d83180f317fc701f14712451bbf4fa54e75dc4114111ddccbb8d30ebb91da0c0ed05cf39dd250e36a3eff02c984d030d7419e0151443bf1b0a846521a471c3
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SSDEEP
1536:/Ao0zj2d6rnJYulBJnDQEEa1EfBE+1EC1p1E1aE1E1EEE1+BX1EE9h1EJvY1kwvb:/AoAliulHnDQEEa1EfBE+1EC1p1E1aEe
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1264 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1292 wrote to memory of 1264 1292 NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe 83 PID 1292 wrote to memory of 1264 1292 NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe 83 PID 1292 wrote to memory of 1264 1292 NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1264
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
68KB
MD5669b467878ec10a138b033e708aaf2d6
SHA12249f65a6824830c9a63f97bd804384749e56881
SHA256c3c500516b7e31c0edfc20f0df6f4d70f98058b7973dc313afc1a8cc0140c762
SHA51222bbcebfebf1b4cc4e037a8afcc960bf1cf18b1705d9adf48ca9250ccc6026afcf1b0da91b8f0ad5e7a14c989000117519d6541ff459b9b98fd0f6dd38b5358e
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Filesize
68KB
MD5669b467878ec10a138b033e708aaf2d6
SHA12249f65a6824830c9a63f97bd804384749e56881
SHA256c3c500516b7e31c0edfc20f0df6f4d70f98058b7973dc313afc1a8cc0140c762
SHA51222bbcebfebf1b4cc4e037a8afcc960bf1cf18b1705d9adf48ca9250ccc6026afcf1b0da91b8f0ad5e7a14c989000117519d6541ff459b9b98fd0f6dd38b5358e