Analysis
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max time kernel
132s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2023 13:29
Static task
static1
Behavioral task
behavioral1
Sample
inf.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
inf.exe
Resource
win10v2004-20231023-en
General
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Target
inf.exe
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Size
1.3MB
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MD5
73dea1a75637e14f6fcd012fe2815636
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SHA1
f1edca0d6464b76bc4956352571d8941c02d2c4e
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SHA256
fd03dd58aa7cb5236f4df8cde3fb07af304c6f402cd48b86eefcecb8e7b86883
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SHA512
f6dc462194037a5c4e0b186088f1fd75befe4cb88bf1dcc7477987951332fc18f8aa66389d567e01677990b022fea6849a66a24510027794e12e2a517edde8d0
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SSDEEP
24576:SkMiDApH5iholXZFFqn14hhzk8wncu0Z9Ml+5PkjyDs5U2cuC:tApsolXTF8mhC1c9WCkjMs5Uq
Malware Config
Signatures
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Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
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resource yara_rule behavioral2/memory/3764-1-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-2-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-3-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-4-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-5-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-8-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-11-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-12-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-14-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-15-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-16-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-17-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-18-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-21-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-22-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-23-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-24-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-25-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-26-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3764-27-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" inf.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3764 inf.exe 3764 inf.exe 3764 inf.exe 3764 inf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\inf.exe"C:\Users\Admin\AppData\Local\Temp\inf.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3764
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4012