Analysis
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max time kernel
127s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
14-04-2024 14:27
Static task
static1
Behavioral task
behavioral1
Sample
bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe
Resource
win10v2004-20240412-en
General
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Target
bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe
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Size
1.5MB
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MD5
695a0d416cdccad008acb2369b0165a2
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SHA1
c9002f65273ac587f5753f50cf61911885d92521
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SHA256
bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb
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SHA512
e92a53c963f5aacf94cbbda3da097d1f29140459ff552d5659ecca3f6c33aec6063c13ce16d3ff6c0046ee88400c6bc5bf410aa9fbc4513c478c0bc0423de051
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SSDEEP
24576:kcDD3THmsmB7K1k52fzgtv0HqIYG3yC3Q1KbeRho7KWU8RKDyAlAY:bTHmsq72zgtv0HYG37bD7KWU8UhV
Malware Config
Signatures
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Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
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UPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral1/memory/1556-1-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral1/memory/1556-2-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral1/memory/1556-3-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral1/memory/1556-4-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral1/memory/1556-6-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral1/memory/1556-5-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral1/memory/1556-7-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral1/memory/1556-12-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral1/memory/1556-13-0x0000000000400000-0x0000000000608000-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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resource yara_rule behavioral1/memory/1556-1-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1556-2-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1556-3-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1556-4-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1556-6-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1556-5-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1556-7-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1556-12-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1556-13-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.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 2 IoCs
pid Process 1556 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 1556 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 1556 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe"C:\Users\Admin\AppData\Local\Temp\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1556