Analysis
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max time kernel
172s -
max time network
188s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
31-07-2022 06:56
Static task
static1
Behavioral task
behavioral1
Sample
c5844c00bc3e6246d21ea869946071c2f94b55861549f4956d10245318f574b3.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
c5844c00bc3e6246d21ea869946071c2f94b55861549f4956d10245318f574b3.exe
Resource
win10v2004-20220721-en
General
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Target
c5844c00bc3e6246d21ea869946071c2f94b55861549f4956d10245318f574b3.exe
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Size
1.4MB
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MD5
61baedace4ac69ece0a64f60d787cb7f
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SHA1
365e17b03232eb7ad8df76b1e408e8bb4df57be7
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SHA256
c5844c00bc3e6246d21ea869946071c2f94b55861549f4956d10245318f574b3
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SHA512
17420de7e32e58103cee2ad9d3e2b99f57ae8a787f589d2acd5c11f7c6b79cabe68eafa5b1b745ad978aef7c85ba322371238b02dfecbbdafab0db874996e6d0
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 behavioral1/memory/1796-56-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1796-57-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1796-59-0x0000000000400000-0x0000000000608000-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-1-5-21-4084403625-2215941253-1760665084-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ c5844c00bc3e6246d21ea869946071c2f94b55861549f4956d10245318f574b3.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" c5844c00bc3e6246d21ea869946071c2f94b55861549f4956d10245318f574b3.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 2 IoCs
pid Process 1796 c5844c00bc3e6246d21ea869946071c2f94b55861549f4956d10245318f574b3.exe 1796 c5844c00bc3e6246d21ea869946071c2f94b55861549f4956d10245318f574b3.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 1796 c5844c00bc3e6246d21ea869946071c2f94b55861549f4956d10245318f574b3.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c5844c00bc3e6246d21ea869946071c2f94b55861549f4956d10245318f574b3.exe"C:\Users\Admin\AppData\Local\Temp\c5844c00bc3e6246d21ea869946071c2f94b55861549f4956d10245318f574b3.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1796