Analysis
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max time kernel
119s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17/08/2024, 07:46
Static task
static1
Behavioral task
behavioral1
Sample
6fa03a7b41cce8f43089f6d8e85cb9a0N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
6fa03a7b41cce8f43089f6d8e85cb9a0N.exe
Resource
win10v2004-20240802-en
General
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Target
6fa03a7b41cce8f43089f6d8e85cb9a0N.exe
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Size
44KB
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MD5
6fa03a7b41cce8f43089f6d8e85cb9a0
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SHA1
ccd08d959c00c6cb6412482450f56b7eb40f7978
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SHA256
666fdb01170c20ba8bf30acfeb53a949f2c66bf02dce15d95f5426d053b187af
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SHA512
b587edf452437670eacba4d75e14fa339b8cd328219e4db19305ba87ebc736f0e16c5cfa41cb092f14209775f0a9367b18894887f1db1e013e7ccacb786255bc
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SSDEEP
768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNho:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYI
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3156 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 3156 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 6fa03a7b41cce8f43089f6d8e85cb9a0N.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 6fa03a7b41cce8f43089f6d8e85cb9a0N.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 6fa03a7b41cce8f43089f6d8e85cb9a0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3860 wrote to memory of 3156 3860 6fa03a7b41cce8f43089f6d8e85cb9a0N.exe 84 PID 3860 wrote to memory of 3156 3860 6fa03a7b41cce8f43089f6d8e85cb9a0N.exe 84 PID 3860 wrote to memory of 3156 3860 6fa03a7b41cce8f43089f6d8e85cb9a0N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\6fa03a7b41cce8f43089f6d8e85cb9a0N.exe"C:\Users\Admin\AppData\Local\Temp\6fa03a7b41cce8f43089f6d8e85cb9a0N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3860 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3156
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
44KB
MD508efde9c1f0beab18a61030d9e31dabc
SHA10ebe549bd70317c8efbd12665cf3768ce9f1473e
SHA256c13c02c7e078571e9adcfc1a57b3e6187bee02bfb4eae5e2d8b487fd6bf24aff
SHA512e82e756337c55ad73629aa031b2ec7f44003bbd47073fdde49ecfd32d143e80b18db24dbd83c25c56ce43b6a17046a37cb0b3db54c329150f9ed88d701559555