General
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Target
bb633d7fb28cf6aac4097726c639462bd7a4362d7752ba5c612ea6c0e18e8d11.exe
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Size
163KB
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Sample
240227-f96enaaa6v
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MD5
6e1183fe6e9e67f10a9c88f1f744d6e0
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SHA1
a44aa17fd0c4615eadf796a374ca6cc291736c2e
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SHA256
bb633d7fb28cf6aac4097726c639462bd7a4362d7752ba5c612ea6c0e18e8d11
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SHA512
5705a4c6b7c975254691b2871296f0d9cfd44d870d548dfd483df95494890b1110073fc944aca31e82ab9bde3d81c65fad5baa67a5be8e8c83a94d4e00576430
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SSDEEP
3072:Ai3vfdGdDEaNfQqBJ/dZSURGhL/2UeD8XXRlR:AslGdQaV5f/6FI8Rf
Static task
static1
Behavioral task
behavioral1
Sample
bb633d7fb28cf6aac4097726c639462bd7a4362d7752ba5c612ea6c0e18e8d11.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bb633d7fb28cf6aac4097726c639462bd7a4362d7752ba5c612ea6c0e18e8d11.exe
Resource
win10v2004-20240226-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://kamsmad.com/tmp/index.php
http://souzhensil.ru/tmp/index.php
http://teplokub.com.ua/tmp/index.php
Extracted
smokeloader
pub1
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
bb633d7fb28cf6aac4097726c639462bd7a4362d7752ba5c612ea6c0e18e8d11.exe
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Size
163KB
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MD5
6e1183fe6e9e67f10a9c88f1f744d6e0
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SHA1
a44aa17fd0c4615eadf796a374ca6cc291736c2e
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SHA256
bb633d7fb28cf6aac4097726c639462bd7a4362d7752ba5c612ea6c0e18e8d11
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SHA512
5705a4c6b7c975254691b2871296f0d9cfd44d870d548dfd483df95494890b1110073fc944aca31e82ab9bde3d81c65fad5baa67a5be8e8c83a94d4e00576430
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SSDEEP
3072:Ai3vfdGdDEaNfQqBJ/dZSURGhL/2UeD8XXRlR:AslGdQaV5f/6FI8Rf
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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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Detect binaries embedding considerable number of MFA browser extension IDs.
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Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
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Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
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Detects Windows executables referencing non-Windows User-Agents
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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Detects executables Discord URL observed in first stage droppers
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Detects executables containing URLs to raw contents of a Github gist
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Detects executables containing artifacts associated with disabling Widnows Defender
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Detects executables packed with VMProtect.
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Detects executables referencing many varying, potentially fake Windows User-Agents
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UPX dump on OEP (original entry point)
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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