Resubmissions
Analysis
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max time kernel
158s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
30-03-2024 01:23
Static task
static1
Behavioral task
behavioral1
Sample
PTSans.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
PTSans.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
sserv.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
sserv.exe
Resource
win10v2004-20240226-en
General
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Target
sserv.exe
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Size
1.4MB
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MD5
4c6f64715df65201b347a48ac66d3daa
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SHA1
2c4ff72e0f17af6dad7146a2f9de06e1187e0b69
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SHA256
414bb1af4fbb618c4889d69144c7f66591c6e5294d0ab3b7ea8b774946977cf2
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SHA512
64b3b78a5a22eac66ad73954870e8beb620815735b6c3554c65965c913679d0d78fdc9d5403038101ed1f8a6934cff8377ade62985c839d3ff980a15d1392e6d
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SSDEEP
24576:AcH4RyUdH474qoYqDDBfdcxVrGpw+yf2fJala9wth/j9O/1:jgh4sqoYiDge3o2xaASZMd
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 behavioral4/memory/408-1-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-2-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-3-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-4-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-5-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-8-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-11-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-12-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-14-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-15-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-16-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-17-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-18-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-21-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-22-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-23-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-24-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-25-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-26-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-27-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/408-28-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" sserv.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 408 sserv.exe 408 sserv.exe 408 sserv.exe 408 sserv.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\sserv.exe"C:\Users\Admin\AppData\Local\Temp\sserv.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:408
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2232 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:81⤵PID:4172