General
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Target
c4580e8db0c3dbc88891842fd8a31158.exe
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Size
5.5MB
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Sample
240205-m4jr2agcaq
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MD5
c4580e8db0c3dbc88891842fd8a31158
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SHA1
744f03fcf10db1459d3f40beaea2bfe1b000582b
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SHA256
1f435b3a62304733dce1b9caf24cfac768db739127e8ec31d466455628ec0922
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SHA512
cefd412e0d5aba56d6603fdc46a056474ce387dbb220b32a9317dca0822bef9320515afacc2ab2086db46f9e01b3456c87a0dc83bd99c246550d87efd3606945
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SSDEEP
98304:Fs9EI6sZJrf04Hr3VvPkrcRizJ6krK4JLQaEHlXU+vG9G1jMaZQRrkp:W+I6sU4HjZkwkVJo1+G1jMaZQpk
Static task
static1
Behavioral task
behavioral1
Sample
c4580e8db0c3dbc88891842fd8a31158.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
c4580e8db0c3dbc88891842fd8a31158.exe
Resource
win10v2004-20231215-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
.ldhy
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offline_id
pIGzEr0bxHiTz7xnvNidWeqzKkxMfVdHTyCkzwt1
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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
7.6
1b9d7ec5a25ab9d78c31777a0016a097
https://t.me/tvrugrats
https://steamcommunity.com/profiles/76561199627279110
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profile_id_v2
1b9d7ec5a25ab9d78c31777a0016a097
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
Targets
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Target
c4580e8db0c3dbc88891842fd8a31158.exe
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Size
5.5MB
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MD5
c4580e8db0c3dbc88891842fd8a31158
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SHA1
744f03fcf10db1459d3f40beaea2bfe1b000582b
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SHA256
1f435b3a62304733dce1b9caf24cfac768db739127e8ec31d466455628ec0922
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SHA512
cefd412e0d5aba56d6603fdc46a056474ce387dbb220b32a9317dca0822bef9320515afacc2ab2086db46f9e01b3456c87a0dc83bd99c246550d87efd3606945
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SSDEEP
98304:Fs9EI6sZJrf04Hr3VvPkrcRizJ6krK4JLQaEHlXU+vG9G1jMaZQRrkp:W+I6sU4HjZkwkVJo1+G1jMaZQpk
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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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Detect Vidar Stealer
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Detect ZGRat V1
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Detected Djvu ransomware
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Glupteba payload
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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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Async RAT payload
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Modifies boot configuration data using bcdedit
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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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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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Stops running service(s)
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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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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
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
5Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
4Subvert Trust Controls
1Install Root Certificate
1