General
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Target
27923d58a1326ee7f05aea88dfd0ef09.exe
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Size
140KB
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Sample
210829-htcqcvd536
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MD5
27923d58a1326ee7f05aea88dfd0ef09
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SHA1
cb807ea8b07f677dfacde25724ab02d1a4a99f72
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SHA256
dff9da898a68e7e3f22e992e55d0b45cbe1625b9bf5f4a148e76fe0d6d654696
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SHA512
fbadfd8293b00ccc8c8b6c6b7efdafcef125d67db5bcfb259b5fd5f1a1e897c24ef158f25adb9f41a95f2eb698571b7e17acb7b1e535f84345a7c9982bb83a51
Static task
static1
Behavioral task
behavioral1
Sample
27923d58a1326ee7f05aea88dfd0ef09.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
27923d58a1326ee7f05aea88dfd0ef09.exe
Resource
win10v20210408
Malware Config
Extracted
https://www.zippyshare.cc/1630257393/download
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
d02c5d65069fc7ce1993e7c52edf0c9c4c195c81
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url4cnc
https://telete.in/open3entershift
Extracted
redline
zz
185.167.97.37:30902
Extracted
https://www.zippyshare.cc/1630257468/download
Extracted
https://www.zippyshare.cc/1630258463/download
Extracted
C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT
buran
Targets
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Target
27923d58a1326ee7f05aea88dfd0ef09.exe
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Size
140KB
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MD5
27923d58a1326ee7f05aea88dfd0ef09
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SHA1
cb807ea8b07f677dfacde25724ab02d1a4a99f72
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SHA256
dff9da898a68e7e3f22e992e55d0b45cbe1625b9bf5f4a148e76fe0d6d654696
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SHA512
fbadfd8293b00ccc8c8b6c6b7efdafcef125d67db5bcfb259b5fd5f1a1e897c24ef158f25adb9f41a95f2eb698571b7e17acb7b1e535f84345a7c9982bb83a51
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Buran
Ransomware-as-a-service based on the VegaLocker family first identified in 2019.
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Modifies WinLogon for persistence
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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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suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Nirsoft
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XMRig Miner Payload
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Blocklisted process makes network request
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Downloads MZ/PE file
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Executes dropped EXE
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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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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v6
Persistence
Registry Run Keys / Startup Folder
1Scheduled Task
1Winlogon Helper DLL
1Defense Evasion
File Deletion
2Install Root Certificate
1Modify Registry
3Virtualization/Sandbox Evasion
1Web Service
1