Analysis
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max time kernel
91s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-01-2025 01:17
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
639b8eaeeb124a1f4da349397791935cfba483f828d8315b2da8fa869dd5c997.dll
Resource
win7-20240903-en
windows7-x64
4 signatures
150 seconds
General
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Target
639b8eaeeb124a1f4da349397791935cfba483f828d8315b2da8fa869dd5c997.dll
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Size
841KB
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MD5
9fa73c79d66c1aaf541f9d4478a6a2ca
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SHA1
0be38305594e338e36da1e8f4901c87bafa24091
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SHA256
639b8eaeeb124a1f4da349397791935cfba483f828d8315b2da8fa869dd5c997
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SHA512
e02bffa2b6d471e2e6c6c55f0ff2e8655d4f741061088b011c18a45931808602530cee97a486a643fca6234ee9037fe1a7938da81e596dfd4f50751f3d6303ff
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SSDEEP
3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q01:jDgtfRQUHPw06MoV2nwTBlhm8N
Malware Config
Signatures
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Yunsip family
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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 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 336 wrote to memory of 3136 336 rundll32.exe 84 PID 336 wrote to memory of 3136 336 rundll32.exe 84 PID 336 wrote to memory of 3136 336 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\639b8eaeeb124a1f4da349397791935cfba483f828d8315b2da8fa869dd5c997.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:336 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\639b8eaeeb124a1f4da349397791935cfba483f828d8315b2da8fa869dd5c997.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3136
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