General
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Target
4a442ef8863e6589bc6fad1e20cb6ca3b96d3d5be3d720f9875e004039195d2d
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Size
261KB
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Sample
240306-fgk81sbd3w
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MD5
661b8bf0e1ab11c5544007cfed5234e2
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SHA1
4bd8a08bb4b1cc8930d681ccd2a139263d611739
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SHA256
4a442ef8863e6589bc6fad1e20cb6ca3b96d3d5be3d720f9875e004039195d2d
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SHA512
3552092623d40a3baf40d53a039a7615ab7ed8dc5584e6c65fafda066b10809cb185a6f2eac41ec3273b40b0e2602f6be36c215bb205c02cd6a31cf82c672ce7
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SSDEEP
3072:R7a/ESqMbn1mNa9bPWn2TzZCaM+CR+sqItssVN0rsVcVB255HqNW3:09bwNubP/TlCSotlVC4VcO
Static task
static1
Behavioral task
behavioral1
Sample
4a442ef8863e6589bc6fad1e20cb6ca3b96d3d5be3d720f9875e004039195d2d.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4a442ef8863e6589bc6fad1e20cb6ca3b96d3d5be3d720f9875e004039195d2d.exe
Resource
win10-20240221-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
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
amadey
4.17
http://185.215.113.32
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Extracted
Protocol: ftp- Host:
hvh-communications.de - Port:
21 - Username:
[email protected] - Password:
single09
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
-
-
Target
4a442ef8863e6589bc6fad1e20cb6ca3b96d3d5be3d720f9875e004039195d2d
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Size
261KB
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MD5
661b8bf0e1ab11c5544007cfed5234e2
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SHA1
4bd8a08bb4b1cc8930d681ccd2a139263d611739
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SHA256
4a442ef8863e6589bc6fad1e20cb6ca3b96d3d5be3d720f9875e004039195d2d
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SHA512
3552092623d40a3baf40d53a039a7615ab7ed8dc5584e6c65fafda066b10809cb185a6f2eac41ec3273b40b0e2602f6be36c215bb205c02cd6a31cf82c672ce7
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SSDEEP
3072:R7a/ESqMbn1mNa9bPWn2TzZCaM+CR+sqItssVN0rsVcVB255HqNW3:09bwNubP/TlCSotlVC4VcO
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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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Pitou
Pitou.
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Blocklisted process makes network request
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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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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
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
3Pre-OS Boot
1Bootkit
1Virtualization/Sandbox Evasion
2Credential Access
Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1