General
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Target
ea5ad364a786e5d33f445948ecf0c5d0cdf3c3c52c7a3062a85eb232bba629c9
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Size
280KB
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Sample
220922-s9tr3sffar
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MD5
3721cccc80ae2f1eb447ce704bf52d2f
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SHA1
c7c456c71f43f128e4905b3bb5273af5c5422d7c
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SHA256
ea5ad364a786e5d33f445948ecf0c5d0cdf3c3c52c7a3062a85eb232bba629c9
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SHA512
e8ef610ecdb1f28738801da00f8a7f09f78796169254d80ab16be1fe57d10082f8f63b1833eac7c0896833914e1ea2cf62701a2b07b27e35cbc6ea3e05872abc
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SSDEEP
6144:eFuVYw16+7LeH4C24iDEBwKOcmY2R0YBy5igavwVfQr:eFaJbG4C24iQBFmYDF8F
Static task
static1
Behavioral task
behavioral1
Sample
ea5ad364a786e5d33f445948ecf0c5d0cdf3c3c52c7a3062a85eb232bba629c9.exe
Resource
win10-20220812-en
Malware Config
Extracted
raccoon
7394a7fc5da9794209d8b0503ca4abf4
http://45.8.145.203
Extracted
djvu
http://winnlinne.com/lancer/get.php
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extension
.ofww
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offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
redline
LogsDiller Cloud (Sup: @mr_golds)
77.73.134.27:8163
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auth_value
56c6f7b9024c076f0a96931453da7e56
Extracted
tofsee
svartalfheim.top
jotunheim.name
Targets
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Target
ea5ad364a786e5d33f445948ecf0c5d0cdf3c3c52c7a3062a85eb232bba629c9
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Size
280KB
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MD5
3721cccc80ae2f1eb447ce704bf52d2f
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SHA1
c7c456c71f43f128e4905b3bb5273af5c5422d7c
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SHA256
ea5ad364a786e5d33f445948ecf0c5d0cdf3c3c52c7a3062a85eb232bba629c9
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SHA512
e8ef610ecdb1f28738801da00f8a7f09f78796169254d80ab16be1fe57d10082f8f63b1833eac7c0896833914e1ea2cf62701a2b07b27e35cbc6ea3e05872abc
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SSDEEP
6144:eFuVYw16+7LeH4C24iDEBwKOcmY2R0YBy5igavwVfQr:eFaJbG4C24iQBFmYDF8F
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Detected Djvu ransomware
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Detects Smokeloader packer
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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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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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Executes dropped EXE
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Modifies Windows Firewall
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Sets service image path in registry
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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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Loads dropped DLL
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Modifies file permissions
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Accesses Microsoft Outlook profiles
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v6
Persistence
New Service
1Modify Existing Service
1Registry Run Keys / Startup Folder
2Scheduled Task
1Defense Evasion
Virtualization/Sandbox Evasion
1Modify Registry
3File Permissions Modification
1