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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
13/03/2024, 02:37
Static task
static1
Behavioral task
behavioral1
Sample
f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe
Resource
win10v2004-20240226-en
General
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Target
f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe
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Size
90KB
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MD5
1f460447096d5644ade37144af0d7bd4
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SHA1
3d5a17bd8cae0e36f6838a4d35d469b8a93d1803
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SHA256
f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb
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SHA512
cf33a1fd3d070b136ff0c188cf500518b984ea7182a2b04d472dd13f32ea187fc5d5febab7be96f0921cb85b65e3133d9ba2324bfe2687f99d8f9b94c3d48df6
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SSDEEP
1536:vAowfbJFgjQ284U+w2EwRzSIUqhwDKopH0jIInjjnjjnjnjnjnjj3Q1aaCCCNapF:vAowVFgjQiUkEwtSXqhwDKopH0jIInjs
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3580 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 3580 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3844 wrote to memory of 3580 3844 f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe 89 PID 3844 wrote to memory of 3580 3844 f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe 89 PID 3844 wrote to memory of 3580 3844 f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe"C:\Users\Admin\AppData\Local\Temp\f73b6d69b935d78df9342d8caece5de31c699185f6ebdaeb96cfd1587d5459cb.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3844 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:3580
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
90KB
MD5995916fccfc85dda30dd0f81a2d7efee
SHA1022da96654eaff1f7a785761806d5cdb7ad126de
SHA256fa3d0ef07bb6d5f808656cc041fe355ff6e3907a3084a8cf61ee3495612b39c2
SHA512f8a1336295822ea20925896aee1791edc42045bf42ed368c67c16137f5d169ad55248851ae925bd313552fe33625283ce7ede22c3742fef655ff2b394151989e