General
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Target
71835f2b69d98d275b4b0afb1b3f77af.exe
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Size
141KB
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Sample
240221-f6esjaca9t
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MD5
71835f2b69d98d275b4b0afb1b3f77af
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SHA1
6d9b9bed0eb69d9b1f83dfb6df90e3a9ee8cc61a
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SHA256
c36d9a5680ece3f4ceb44ed997961422d13e6b7eba7ea1d678a0efc561934194
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SHA512
e31762fb636c97ce8d9e6137418f93ca04c7db8cf1fe3adf67eb503e697abd14eed3627f012e107efdb1053117202c97de660c12760d57b26e1a3a630f733a63
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SSDEEP
3072:5/ZWTfocbBEQUoeYkVGdgFtBCEuDrw0XM:JgjPbBfUhvVGjD8
Static task
static1
Behavioral task
behavioral1
Sample
71835f2b69d98d275b4b0afb1b3f77af.exe
Resource
win7-20231215-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
Extracted
smokeloader
pub1
Extracted
stealc
http://185.172.128.145
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url_path
/3cd2b41cbde8fc9c.php
Extracted
lumma
https://resergvearyinitiani.shop/api
https://technologyenterdo.shop/api
https://detectordiscusser.shop/api
https://turkeyunlikelyofw.shop/api
https://associationokeo.shop/api
Targets
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Target
71835f2b69d98d275b4b0afb1b3f77af.exe
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Size
141KB
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MD5
71835f2b69d98d275b4b0afb1b3f77af
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SHA1
6d9b9bed0eb69d9b1f83dfb6df90e3a9ee8cc61a
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SHA256
c36d9a5680ece3f4ceb44ed997961422d13e6b7eba7ea1d678a0efc561934194
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SHA512
e31762fb636c97ce8d9e6137418f93ca04c7db8cf1fe3adf67eb503e697abd14eed3627f012e107efdb1053117202c97de660c12760d57b26e1a3a630f733a63
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SSDEEP
3072:5/ZWTfocbBEQUoeYkVGdgFtBCEuDrw0XM:JgjPbBfUhvVGjD8
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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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Creates new service(s)
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Downloads MZ/PE file
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Modifies Windows Firewall
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Stops running service(s)
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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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Legitimate hosting services abused for malware hosting/C2
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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 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
3Windows Service
3Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Modify Registry
1Pre-OS Boot
1Bootkit
1