Analysis
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max time kernel
132s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
11-04-2022 03:15
Static task
static1
Behavioral task
behavioral1
Sample
inf.exe
Resource
win7-20220310-en
Behavioral task
behavioral2
Sample
inf.exe
Resource
win10v2004-en-20220113
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
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/4320-132-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4320-131-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ inf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\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). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4320 inf.exe 4320 inf.exe 4320 inf.exe 4320 inf.exe