General
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Target
df35f19c7d7e1539ca17e4d839b20a04.bin
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Size
202KB
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Sample
240201-ds8scacbbn
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MD5
14d18fafe75ced280249b0d5cfb6a23e
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SHA1
f815bf22125ca912be5461eff027a9de6f0c4e63
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SHA256
7631744f38037f6f9cf0e5de0457596dd8c952ff6f88bca44861a6285d83634f
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SHA512
5a0c57fd35eb528ebcdde523564188a003b95dd8c50a910dc8005d7d6f1a9a3878313526cfaddf4a9eb94396b2aa7f99467af375ee56cae3a8bf5f45ecf44274
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SSDEEP
6144:hYtYG6hPtk6QSnMXh0h6c1eoyXBHkyqBE6CU1JX6Tsnk:yR6HMRW9nyxHkyqBB1Jqwnk
Behavioral task
behavioral1
Sample
f50c34273870841df335fa73d1cd9c2acb9de70e4ed77dabfcc9eb98dcff9b54.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
f50c34273870841df335fa73d1cd9c2acb9de70e4ed77dabfcc9eb98dcff9b54.exe
Resource
win10v2004-20231215-en
Malware Config
Extracted
amadey
4.17
http://5.42.64.4
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install_dir
a0b3b7d4a5
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install_file
Dctooux.exe
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strings_key
be8779cf0e6231090471d1ca85ec4a38
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url_paths
/jPdsj3d4M/index.php
Extracted
stealc
http://185.172.128.79
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url_path
/3886d2276f6914c4.php
Extracted
smokeloader
pub1
Extracted
smokeloader
2022
http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php
Extracted
djvu
http://habrafa.com/test1/get.php
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extension
.cdcc
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offline_id
LBxKKiegnAy53rpqH3Pj2j46vwldiEt9kqHSuMt1
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payload_url
http://brusuax.com/dl/build2.exe
http://habrafa.com/files/1/build3.exe
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ransomnote
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Extracted
risepro
193.233.132.62:50500
Targets
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Target
f50c34273870841df335fa73d1cd9c2acb9de70e4ed77dabfcc9eb98dcff9b54.exe
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Size
404KB
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MD5
df35f19c7d7e1539ca17e4d839b20a04
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SHA1
7dab9f9d3ff0c6f4ee4d7f33ab81ac7118afe193
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SHA256
f50c34273870841df335fa73d1cd9c2acb9de70e4ed77dabfcc9eb98dcff9b54
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SHA512
90e210ce12d846c42fa724ad1be934362134b5449dbe6bad49e380087bd2496fe973c4e63731ef291cc854685cd7129e980676816e4298ef617ee56896b5c00b
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SSDEEP
6144:uOdRAuQwnBqt1aNbaQH2weEc55EoRvDDoeAWOd9lPinZnPmx6u5+xH2/fUp14unr:Bdjn7NWEAvoe3O5Pipmx6u5+xMcHd
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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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Detect Fabookie payload
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Detected Djvu ransomware
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Glupteba payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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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 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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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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Modifies file permissions
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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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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
3Windows Service
3Scheduled 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
File and Directory Permissions Modification
1Impair Defenses
2Disable or Modify System Firewall
1Modify Registry
1Virtualization/Sandbox Evasion
2