General
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Target
f547ccd9ffde9ef4354831ec594ab0502aba1ca7433a02d592b1707b7249e542exe.exe
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Size
266KB
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Sample
231207-ygys8afb44
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MD5
1ee164b4e1936f89673db04b50894288
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SHA1
bae06c447e623f5cd845cd0b5c5e1b03b832daee
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SHA256
f547ccd9ffde9ef4354831ec594ab0502aba1ca7433a02d592b1707b7249e542
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SHA512
5e2191cde177f93740663e222dc39e780d9ab55c695482038b9401ea36e2a7bcf2a9ed2f5602aec9e8b2aec03144048881df574a4cf22d24ffb95bbf81c4b7e0
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SSDEEP
1536:pbqksGn0/P69uQ2CbvRdTTcgwEqJROH2l5D+QNUxo5cLFl1XWAlvjo5pbiRz2Ab7:pbem9uWbvjTbkQWl5D+s5W7Vdb9r/+
Static task
static1
Behavioral task
behavioral1
Sample
f547ccd9ffde9ef4354831ec594ab0502aba1ca7433a02d592b1707b7249e542exe.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
f547ccd9ffde9ef4354831ec594ab0502aba1ca7433a02d592b1707b7249e542exe.exe
Resource
win10v2004-20231130-en
Malware Config
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
redline
1206-55000
38.47.221.193:34368
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.nbzi
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offline_id
csCsb6cUvy0iMa6NgGCGH0hSfXQlGjZVEmFVkgt1
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payload_url
http://brusuax.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
redline
55000
38.47.221.193:34368
Targets
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Target
f547ccd9ffde9ef4354831ec594ab0502aba1ca7433a02d592b1707b7249e542exe.exe
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Size
266KB
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MD5
1ee164b4e1936f89673db04b50894288
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SHA1
bae06c447e623f5cd845cd0b5c5e1b03b832daee
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SHA256
f547ccd9ffde9ef4354831ec594ab0502aba1ca7433a02d592b1707b7249e542
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SHA512
5e2191cde177f93740663e222dc39e780d9ab55c695482038b9401ea36e2a7bcf2a9ed2f5602aec9e8b2aec03144048881df574a4cf22d24ffb95bbf81c4b7e0
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SSDEEP
1536:pbqksGn0/P69uQ2CbvRdTTcgwEqJROH2l5D+QNUxo5cLFl1XWAlvjo5pbiRz2Ab7:pbem9uWbvjTbkQWl5D+s5W7Vdb9r/+
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detect ZGRat V1
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Detected Djvu ransomware
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Downloads MZ/PE file
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Executes dropped EXE
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Modifies file permissions
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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