Resubmissions
08-03-2024 15:04
240308-sfnzqsaa47 10Analysis
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max time kernel
301s -
max time network
305s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14-04-2024 11:53
Static task
static1
Behavioral task
behavioral1
Sample
bb8fce33b3478355c5a6c4f52f6ff83b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bb8fce33b3478355c5a6c4f52f6ff83b.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
bb8fce33b3478355c5a6c4f52f6ff83b.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
bb8fce33b3478355c5a6c4f52f6ff83b.exe
Resource
win11-20240412-en
General
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Target
bb8fce33b3478355c5a6c4f52f6ff83b.exe
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Size
1.1MB
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MD5
bb8fce33b3478355c5a6c4f52f6ff83b
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SHA1
81ed80cb69b5c6e65bff71b8c53160a467099475
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SHA256
6192163bbb9343a274904093b94d6b12111a88bf24b58cbf9ed2c1463503e022
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SHA512
a1f9bad36ff0a866db0aaf918cd70ed235c1bf1679dbadea8a5e2746686e2736833e7fe10d6caec459106e90ad9efdd55ca2b66afb1b2f7c507cd46363cbed69
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SSDEEP
24576:UlTshPoDiXbNSXIN6L/Y1ja1zwdY4k2A/QaFcEYZFj:UshPjNSXGic+FwTbA4SR2
Malware Config
Signatures
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Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
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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 behavioral3/memory/452-1-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-2-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-3-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-4-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-5-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-8-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-11-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-12-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-13-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-15-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-16-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-17-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-18-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-21-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-22-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-23-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-24-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-25-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-26-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-27-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-28-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-29-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-30-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-31-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-32-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-33-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-34-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-35-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-36-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-37-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-38-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-39-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-40-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-41-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-42-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-43-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-44-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/452-45-0x0000000000400000-0x0000000000608000-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\"" bb8fce33b3478355c5a6c4f52f6ff83b.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 452 bb8fce33b3478355c5a6c4f52f6ff83b.exe 452 bb8fce33b3478355c5a6c4f52f6ff83b.exe 452 bb8fce33b3478355c5a6c4f52f6ff83b.exe 452 bb8fce33b3478355c5a6c4f52f6ff83b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bb8fce33b3478355c5a6c4f52f6ff83b.exe"C:\Users\Admin\AppData\Local\Temp\bb8fce33b3478355c5a6c4f52f6ff83b.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:452
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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=1408 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:81⤵PID:4940