Analysis
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max time kernel
146s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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) 22 IoCs
resource yara_rule behavioral2/memory/4816-1-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-2-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-3-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-4-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-6-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-8-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-11-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-12-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-14-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-15-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-16-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-17-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-18-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-21-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-22-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-23-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-24-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-25-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-26-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-27-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-28-0x0000000000400000-0x0000000000608000-memory.dmp UPX behavioral2/memory/4816-29-0x0000000000400000-0x0000000000608000-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 behavioral2/memory/4816-1-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-2-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-3-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-4-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-6-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-8-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-11-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-12-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-14-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-15-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-16-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-17-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-18-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-21-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-22-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-23-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-24-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-25-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-26-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-27-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-28-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4816-29-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\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 4 IoCs
pid Process 4816 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 4816 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 4816 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 4816 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
PID:4816