General
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Target
a6bda3b1e990cdc4da5b889f8c4d5a717ac32107a22720e81c9268d0af553e9c.exe
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Size
286KB
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Sample
240215-f8b5eshh3s
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MD5
b711abfd1d3f342fd53e7234672e23a3
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SHA1
abba6fdf4ce45cfc9121bc8f93658b0875ba1f4f
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SHA256
a6bda3b1e990cdc4da5b889f8c4d5a717ac32107a22720e81c9268d0af553e9c
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SHA512
f3d3e2e2bad6975e45c9b90568604085c92b7016ee7c56504593d1fea695b3be5c05991515c7ebe9442cc315084a75f59d19630e108806f78f912521efa5e242
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SSDEEP
3072:Wz6T6oy729nhffLbCWeia4bU3qrf9tExSD2w3TA4xFgIzSUxaIa2Vd:3T6o28XC7AU3gvEx/6TA4LiUxaIh
Static task
static1
Behavioral task
behavioral1
Sample
a6bda3b1e990cdc4da5b889f8c4d5a717ac32107a22720e81c9268d0af553e9c.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
a6bda3b1e990cdc4da5b889f8c4d5a717ac32107a22720e81c9268d0af553e9c.exe
Resource
win10v2004-20231222-en
Malware Config
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
.lkhy
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offline_id
OxV6DGl22io8sqMOW1zCCOlzPiv4f1Vqzw7Y8zt1
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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
vidar
7.8
13bd7290c1961db27b4ede41bfbf4c5e
https://t.me/karl3on
https://steamcommunity.com/profiles/76561199637071579
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profile_id_v2
13bd7290c1961db27b4ede41bfbf4c5e
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user_agent
Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9
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
redline
LogsDiller Cloud (Telegram: @logsdillabot)
5.42.65.38:46185
Extracted
lumma
https://resergvearyinitiani.shop/api
Targets
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Target
a6bda3b1e990cdc4da5b889f8c4d5a717ac32107a22720e81c9268d0af553e9c.exe
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Size
286KB
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MD5
b711abfd1d3f342fd53e7234672e23a3
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SHA1
abba6fdf4ce45cfc9121bc8f93658b0875ba1f4f
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SHA256
a6bda3b1e990cdc4da5b889f8c4d5a717ac32107a22720e81c9268d0af553e9c
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SHA512
f3d3e2e2bad6975e45c9b90568604085c92b7016ee7c56504593d1fea695b3be5c05991515c7ebe9442cc315084a75f59d19630e108806f78f912521efa5e242
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SSDEEP
3072:Wz6T6oy729nhffLbCWeia4bU3qrf9tExSD2w3TA4xFgIzSUxaIa2Vd:3T6o28XC7AU3gvEx/6TA4LiUxaIh
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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 Vidar Stealer
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Detected Djvu ransomware
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Detects LgoogLoader payload
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LgoogLoader
A downloader capable of dropping and executing other malware families.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF
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Detects Windows executables referencing non-Windows User-Agents
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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Detects executables containing artifacts associated with disabling Widnows Defender
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Detects executables embedding command execution via IExecuteCommand COM object
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Detects executables packed with Themida
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Detects executables packed with unregistered version of .NET Reactor
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Detects executables potentially checking for WinJail sandbox window
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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UPX dump on OEP (original entry point)
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XMRig Miner payload
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Blocklisted process makes network request
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Creates new service(s)
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Downloads MZ/PE file
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Drops file in Drivers directory
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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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Deletes itself
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Drops startup file
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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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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
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
1Impair Defenses
4Disable or Modify Tools
3Modify Registry
6Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2