Analysis
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max time kernel
148s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
10/06/2024, 04:25
Behavioral task
behavioral1
Sample
27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1.exe
Resource
win10v2004-20240508-en
General
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Target
27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1.exe
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Size
134KB
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MD5
990f22831d926266ea60fc313f9534a1
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SHA1
5e2687b3c46aac42fca92a7ba4d009f12b86e1a9
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SHA256
27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1
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SHA512
12af81fb69bd167848cd7f8bb5a71b2076f8e2237d3c3981c76cea3a3e4dd65475f166af66d97c78eaf934997f3059b9abe5b1f053f2c2c3db28fde1c415f09c
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SSDEEP
1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qr:riAyLN9aa+9U2rW1ip6pr2At7NZuQr
Malware Config
Signatures
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UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/3644-0-0x0000000000AE0000-0x0000000000B08000-memory.dmp UPX behavioral2/files/0x00090000000233ed-3.dat UPX behavioral2/memory/780-6-0x0000000000C10000-0x0000000000C38000-memory.dmp UPX behavioral2/memory/3644-5-0x0000000000AE0000-0x0000000000B08000-memory.dmp UPX -
Executes dropped EXE 1 IoCs
pid Process 780 WwanSvc.exe -
resource yara_rule behavioral2/memory/3644-0-0x0000000000AE0000-0x0000000000B08000-memory.dmp upx behavioral2/files/0x00090000000233ed-3.dat upx behavioral2/memory/780-6-0x0000000000C10000-0x0000000000C38000-memory.dmp upx behavioral2/memory/3644-5-0x0000000000AE0000-0x0000000000B08000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run" 27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3644 wrote to memory of 780 3644 27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1.exe 81 PID 3644 wrote to memory of 780 3644 27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1.exe 81 PID 3644 wrote to memory of 780 3644 27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1.exe"C:\Users\Admin\AppData\Local\Temp\27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3644 -
C:\ProgramData\Update\WwanSvc.exe"C:\ProgramData\Update\WwanSvc.exe" /run2⤵
- Executes dropped EXE
PID:780
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
134KB
MD56044f64411e0ac9798ff8a2309b796af
SHA1d5fa187d428af0e096faf6e421ab8d04f2ef8d8d
SHA2564fb66f6260a73dbdc417a52ef9dd000aecd16b02e1c1f6cf8741ff2b4a8f1385
SHA512579b6d9249d63b954eb015f6a68494ce241434f7e37c3f2ca23e4037ae0a6d548c936e671c6776028c37e264c62c472659f9fb47853880a718b328c96e7d81b1