General
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Target
c4aa26647fca8728998e4c14ffc867de8d671e9f4493e5eb7325f69d897dd143
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Size
149KB
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Sample
210828-1bxwk4g2vj
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MD5
46ca92f1d7babb120cb9f2e045b1dc12
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SHA1
3cb5a692d338710ad950bd16e3b6de7ff79d0f61
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SHA256
c4aa26647fca8728998e4c14ffc867de8d671e9f4493e5eb7325f69d897dd143
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SHA512
21ee8c63c0edb94c0ad9bc546a92bb9a19784dad51060e56fd19dafa814e910ec8ec49843bffafa98acbf4eb444b3d449323e543b93dceea9efe54be8b15d2b1
Static task
static1
Behavioral task
behavioral1
Sample
c4aa26647fca8728998e4c14ffc867de8d671e9f4493e5eb7325f69d897dd143.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
redline
WORD1
94.26.249.88:1902
Extracted
raccoon
20d9c80657d1d0fda9625cbd629ba419b8a34404
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url4cnc
https://telete.in/hfuimoneymake
Targets
-
-
Target
c4aa26647fca8728998e4c14ffc867de8d671e9f4493e5eb7325f69d897dd143
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Size
149KB
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MD5
46ca92f1d7babb120cb9f2e045b1dc12
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SHA1
3cb5a692d338710ad950bd16e3b6de7ff79d0f61
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SHA256
c4aa26647fca8728998e4c14ffc867de8d671e9f4493e5eb7325f69d897dd143
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SHA512
21ee8c63c0edb94c0ad9bc546a92bb9a19784dad51060e56fd19dafa814e910ec8ec49843bffafa98acbf4eb444b3d449323e543b93dceea9efe54be8b15d2b1
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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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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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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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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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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