General
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Target
edf0de2af0aab2a35a4e9288299dc64b.exe
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Size
270KB
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Sample
210921-rdywgscdbp
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MD5
edf0de2af0aab2a35a4e9288299dc64b
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SHA1
cc18341976ff7253ebdaa1d1b2f1330cb67f6cb6
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SHA256
00a3e533b00532321ab494a8006817dccc12f24b44839d7913267d0855d45adc
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SHA512
79ef9e7ec4f284e3d87e80630adb67c9d3866de535864d360b293e9685b13e8eafbfc793a1dfecf16103b4e235f8d7c165f404c2764e602fa6d289434ce673c9
Static task
static1
Behavioral task
behavioral1
Sample
edf0de2af0aab2a35a4e9288299dc64b.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
edf0de2af0aab2a35a4e9288299dc64b.exe
Resource
win10v20210408
Malware Config
Extracted
smokeloader
2020
http://varmisende.com/upload/
http://fernandomayol.com/upload/
http://nextlytm.com/upload/
http://people4jan.com/upload/
http://asfaltwerk.com/upload/
Extracted
redline
SewPalpadin
185.215.113.29:18087
Extracted
redline
Proliv2021
93.115.20.139:28978
Extracted
redline
100k
45.9.20.150:80
Extracted
vidar
40.8
517
https://pavlovoler.tumblr.com/
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profile_id
517
Extracted
redline
paladin
188.124.36.242:25802
Extracted
vidar
40.8
828
https://pavlovoler.tumblr.com/
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profile_id
828
Targets
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Target
edf0de2af0aab2a35a4e9288299dc64b.exe
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Size
270KB
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MD5
edf0de2af0aab2a35a4e9288299dc64b
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SHA1
cc18341976ff7253ebdaa1d1b2f1330cb67f6cb6
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SHA256
00a3e533b00532321ab494a8006817dccc12f24b44839d7913267d0855d45adc
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SHA512
79ef9e7ec4f284e3d87e80630adb67c9d3866de535864d360b293e9685b13e8eafbfc793a1dfecf16103b4e235f8d7c165f404c2764e602fa6d289434ce673c9
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Detected Djvu ransomware
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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 Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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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 Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
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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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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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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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