Analysis
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max time kernel
149s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
14/08/2024, 18:29
Static task
static1
Behavioral task
behavioral1
Sample
081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2.exe
Resource
win10v2004-20240802-en
General
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Target
081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2.exe
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Size
37KB
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MD5
c355155177216ad8fc955c05f00f2c04
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SHA1
f7dd56765456b54b86dd22a554ace2ef81333888
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SHA256
081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2
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SHA512
dfeb0093dbf0aace2f7cb2b0fe955b4de185bbf25350d606f9acdd4cf31eaf14474b5cd660ab069942fc657354fbdc607b1d14dc0f9d97ce1150a76227be0372
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SSDEEP
768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Emkcz:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gq
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2520 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2520 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2972 wrote to memory of 2520 2972 081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2.exe 30 PID 2972 wrote to memory of 2520 2972 081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2.exe 30 PID 2972 wrote to memory of 2520 2972 081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2.exe 30 PID 2972 wrote to memory of 2520 2972 081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2.exe"C:\Users\Admin\AppData\Local\Temp\081e66683cbdfe1ea68532d01bc4f72dbb26d72f1160a66b0f29be462f35f3c2.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:2520
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
37KB
MD563f656bec13d5f11863fd1b7aeb77a65
SHA1a8b2fecedfc6a6e46b40b8ea0a4308216f060d4f
SHA256f38293437ac6be00dea93db00fe9be061e94248c14804d9d001185bc252281d4
SHA512a4ab1e62846783450f1ddc57a78aa4093094d1f7fd98d51ab3e5c8070c5e0ff76d180ca15b52e22aea4d07dc3359f9d30833c3bb8c8242bd238e2921aae76392