Analysis
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max time kernel
90s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-12-2024 19:15
Static task
static1
Behavioral task
behavioral1
Sample
PS/RsTray.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
PS/RsTray.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
PS/comserv.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
PS/comserv.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
PS/comserv.dll.url
Resource
win7-20241010-en
Behavioral task
behavioral6
Sample
PS/comserv.dll.url
Resource
win10v2004-20241007-en
General
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Target
PS/comserv.dll
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Size
2KB
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MD5
6d54b4f07a1b92bd6fafe7160b2c887c
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SHA1
6bf4a36e729a2c4156b1280db97252ba8ea7d9b4
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SHA256
653fe0ab7b634e50ba09f962c6357bcf76ce633768aa41dd01d1a93ef83a0a54
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SHA512
32c57ca7ce437fc7712948a6f30733112830ff570d89ca903e5a5bdec43277a19a453df8c027e0835ad1dff2f7927cf973e33efa1847ed608cb6eb534d8163a3
Malware Config
Signatures
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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 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3532 wrote to memory of 644 3532 regsvr32.exe 85 PID 3532 wrote to memory of 644 3532 regsvr32.exe 85 PID 3532 wrote to memory of 644 3532 regsvr32.exe 85
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\PS\comserv.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\PS\comserv.dll2⤵
- System Location Discovery: System Language Discovery
PID:644
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