General
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Target
8a9496361443e861a60f041a6f152e9c0f2b2cf73d06dc4b11f700d19e6ce079
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Size
244KB
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Sample
240123-c1g4xsffg9
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MD5
559767419fdd74a627062b79d8c9811a
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SHA1
f7113bc97d15c894f2436fd142109c93862b798b
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SHA256
8a9496361443e861a60f041a6f152e9c0f2b2cf73d06dc4b11f700d19e6ce079
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SHA512
15e9b1e70eff833c2d27525c6c3d38d02d326dfde225734d4391b10989987302be4df2714d1168bbed3314f5421e994824212422c9d0e4f242033f265e293061
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SSDEEP
3072:IvU5pgLxSMl/KAG6Ckznm3g67NcNsGsndClMX4KAx36E:IvUbgLxhFKPIzmw67NcNLKAxqE
Static task
static1
Behavioral task
behavioral1
Sample
8a9496361443e861a60f041a6f152e9c0f2b2cf73d06dc4b11f700d19e6ce079.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8a9496361443e861a60f041a6f152e9c0f2b2cf73d06dc4b11f700d19e6ce079.exe
Resource
win10v2004-20231215-en
Malware Config
Extracted
smokeloader
2022
http://selebration17io.io/index.php
http://vacantion18ffeu.cc/index.php
http://valarioulinity1.net/index.php
http://buriatiarutuhuob.net/index.php
http://cassiosssionunu.me/index.php
http://sulugilioiu19.net/index.php
http://goodfooggooftool.net/index.php
http://gxutc2c.com/tmp/index.php
http://proekt8.ru/tmp/index.php
http://mth.com.ua/tmp/index.php
http://pirateking.online/tmp/index.php
http://piratia.pw/tmp/index.php
http://go-piratia.ru/tmp/index.php
Extracted
smokeloader
pub1
Extracted
stealc
http://185.172.128.79
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url_path
/3886d2276�6914c4.php
Targets
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Target
8a9496361443e861a60f041a6f152e9c0f2b2cf73d06dc4b11f700d19e6ce079
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Size
244KB
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MD5
559767419fdd74a627062b79d8c9811a
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SHA1
f7113bc97d15c894f2436fd142109c93862b798b
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SHA256
8a9496361443e861a60f041a6f152e9c0f2b2cf73d06dc4b11f700d19e6ce079
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SHA512
15e9b1e70eff833c2d27525c6c3d38d02d326dfde225734d4391b10989987302be4df2714d1168bbed3314f5421e994824212422c9d0e4f242033f265e293061
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SSDEEP
3072:IvU5pgLxSMl/KAG6Ckznm3g67NcNsGsndClMX4KAx36E:IvUbgLxhFKPIzmw67NcNLKAxqE
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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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Glupteba payload
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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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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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Modifies Windows Firewall
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
Impair Defenses
2Disable or Modify Tools
2Modify Registry
4Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1