General
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Target
71e23261246c3ba57e5fb9ea19556552182f753a2b3c3658f8c7f8c9831b545d.exe
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Size
225KB
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Sample
240322-da66ssfe59
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MD5
9b2b7a194d67afe76e20eb2a457fadc1
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SHA1
35e8c17abd409b66822ebafdde8fe950e25ee234
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SHA256
71e23261246c3ba57e5fb9ea19556552182f753a2b3c3658f8c7f8c9831b545d
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SHA512
415701d8a58c3eff2ec10e316ce579ad51d05d25e03d88d083aa96c14b29ee651ca78ff6e69800ce7b091568fa20c203e77acad74da062228be91fe43237ffc9
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SSDEEP
3072:lyUnPsczBPQR8/xahvNqRNUAZ74iITgiDR3lhvjX7HbHXCBu6HDx4A:ltnPsczBPbxajsNUAZ0JfDVXzbHsGA
Static task
static1
Behavioral task
behavioral1
Sample
71e23261246c3ba57e5fb9ea19556552182f753a2b3c3658f8c7f8c9831b545d.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
71e23261246c3ba57e5fb9ea19556552182f753a2b3c3658f8c7f8c9831b545d.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://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
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
stealc
http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.php
Extracted
lumma
https://resergvearyinitiani.shop/api
https://herdbescuitinjurywu.shop/api
https://relevantvoicelesskw.shop/api
https://asleepfulltytarrtw.shop/api
Targets
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Target
71e23261246c3ba57e5fb9ea19556552182f753a2b3c3658f8c7f8c9831b545d.exe
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Size
225KB
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MD5
9b2b7a194d67afe76e20eb2a457fadc1
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SHA1
35e8c17abd409b66822ebafdde8fe950e25ee234
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SHA256
71e23261246c3ba57e5fb9ea19556552182f753a2b3c3658f8c7f8c9831b545d
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SHA512
415701d8a58c3eff2ec10e316ce579ad51d05d25e03d88d083aa96c14b29ee651ca78ff6e69800ce7b091568fa20c203e77acad74da062228be91fe43237ffc9
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SSDEEP
3072:lyUnPsczBPQR8/xahvNqRNUAZ74iITgiDR3lhvjX7HbHXCBu6HDx4A:ltnPsczBPbxajsNUAZ0JfDVXzbHsGA
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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 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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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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UPX dump on OEP (original entry point)
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Blocklisted process makes network request
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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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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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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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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
4Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
4Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2Credential Access
Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1