General
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Target
446e95d1503c0a250011b6775fa0968bde1a1e1fa5edf8f9f3c592d9747d2f66
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Size
149KB
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Sample
210828-ed3c4fc4f6
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MD5
545f8832ac2ea7e1a8e14d7d602b7bc8
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SHA1
3050e92dc6011924c01583e0f920ae56a1a88973
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SHA256
446e95d1503c0a250011b6775fa0968bde1a1e1fa5edf8f9f3c592d9747d2f66
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SHA512
381c5bfbecd5d922232745d57a0e9c9fdd8e2319cafcfb858830fab0b098c7f04ebbf07fe45a0e34ba96c259549eaa6cbf76271e2f59657f28954e752fd5c75c
Static task
static1
Behavioral task
behavioral1
Sample
446e95d1503c0a250011b6775fa0968bde1a1e1fa5edf8f9f3c592d9747d2f66.exe
Resource
win10v20210410
Malware Config
Extracted
C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT
buran
Extracted
smokeloader
2020
http://readinglistforaugust1.xyz/
http://readinglistforaugust2.xyz/
http://readinglistforaugust3.xyz/
http://readinglistforaugust4.xyz/
http://readinglistforaugust5.xyz/
http://readinglistforaugust6.xyz/
http://readinglistforaugust7.xyz/
http://readinglistforaugust8.xyz/
http://readinglistforaugust9.xyz/
http://readinglistforaugust10.xyz/
http://readinglistforaugust1.site/
http://readinglistforaugust2.site/
http://readinglistforaugust3.site/
http://readinglistforaugust4.site/
http://readinglistforaugust5.site/
http://readinglistforaugust6.site/
http://readinglistforaugust7.site/
http://readinglistforaugust8.site/
http://readinglistforaugust9.site/
http://readinglistforaugust10.site/
http://readinglistforaugust1.club/
http://readinglistforaugust2.club/
http://readinglistforaugust3.club/
http://readinglistforaugust4.club/
http://readinglistforaugust5.club/
http://readinglistforaugust6.club/
http://readinglistforaugust7.club/
http://readinglistforaugust8.club/
http://readinglistforaugust9.club/
http://readinglistforaugust10.club/
Extracted
raccoon
fe582536ec580228180f270f7cb80a867860e010
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url4cnc
https://telete.in/xylichanjk
Extracted
raccoon
20d9c80657d1d0fda9625cbd629ba419b8a34404
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url4cnc
https://telete.in/hfuimoneymake
Extracted
redline
WORD1
94.26.249.88:1902
Extracted
vidar
40.1
941
https://eduarroma.tumblr.com/
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profile_id
941
Extracted
vidar
40.1
995
https://eduarroma.tumblr.com/
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profile_id
995
Targets
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Target
446e95d1503c0a250011b6775fa0968bde1a1e1fa5edf8f9f3c592d9747d2f66
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Size
149KB
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MD5
545f8832ac2ea7e1a8e14d7d602b7bc8
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SHA1
3050e92dc6011924c01583e0f920ae56a1a88973
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SHA256
446e95d1503c0a250011b6775fa0968bde1a1e1fa5edf8f9f3c592d9747d2f66
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SHA512
381c5bfbecd5d922232745d57a0e9c9fdd8e2319cafcfb858830fab0b098c7f04ebbf07fe45a0e34ba96c259549eaa6cbf76271e2f59657f28954e752fd5c75c
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Buran
Ransomware-as-a-service based on the VegaLocker family first identified in 2019.
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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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Suspicious use of NtCreateProcessExOtherParentProcess
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suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Vidar Stealer
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XMRig Miner Payload
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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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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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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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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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 v6
Persistence
Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
2Defense Evasion
Disabling Security Tools
1File Deletion
2Modify Registry
3Virtualization/Sandbox Evasion
1Web Service
1