General
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Target
3a3ea9277d27b09f0519ab000067bf06cea7f64c566e153d37367288e3423616
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Size
239KB
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Sample
240321-2bpvxaca25
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MD5
02d76f13b740663d70b64eb6b2893ca1
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SHA1
3571450afa2cc258ef4583f3896ed5222185900b
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SHA256
3a3ea9277d27b09f0519ab000067bf06cea7f64c566e153d37367288e3423616
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SHA512
84b54360469d8e3c53f1b8a75679f15aada5e59e96a64eabf8424082feee352ea6b730f4036b2940f2ec28153dca2133e4e9e4404f1b7708c768569b1e074cb1
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SSDEEP
3072:uerZdBdazR6RKbafowJ2/dWgGXCUIWP5NCedNAhGYTBbykKBdpRSNa:uCZdBdazR7baQ//RGXChMNAhGgFKP
Static task
static1
Behavioral task
behavioral1
Sample
3a3ea9277d27b09f0519ab000067bf06cea7f64c566e153d37367288e3423616.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3a3ea9277d27b09f0519ab000067bf06cea7f64c566e153d37367288e3423616.exe
Resource
win10-20240319-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://nidoe.org/tmp/index.php
http://sodez.ru/tmp/index.php
http://uama.com.ua/tmp/index.php
http://talesofpirates.net/tmp/index.php
Extracted
smokeloader
pub1
Extracted
stealc
http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.php
Extracted
amadey
4.17
http://185.215.113.32
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install_dir
00c07260dc
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install_file
explorgu.exe
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Extracted
socks5systemz
http://buknhhu.com/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c647db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668ef911c0ed95
Targets
-
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Target
3a3ea9277d27b09f0519ab000067bf06cea7f64c566e153d37367288e3423616
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Size
239KB
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MD5
02d76f13b740663d70b64eb6b2893ca1
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SHA1
3571450afa2cc258ef4583f3896ed5222185900b
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SHA256
3a3ea9277d27b09f0519ab000067bf06cea7f64c566e153d37367288e3423616
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SHA512
84b54360469d8e3c53f1b8a75679f15aada5e59e96a64eabf8424082feee352ea6b730f4036b2940f2ec28153dca2133e4e9e4404f1b7708c768569b1e074cb1
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SSDEEP
3072:uerZdBdazR6RKbafowJ2/dWgGXCUIWP5NCedNAhGYTBbykKBdpRSNa:uCZdBdazR7baQ//RGXChMNAhGgFKP
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Glupteba payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Windows Firewall
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Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
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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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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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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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
4Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
4Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2