General
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Target
8144e93bdffac95244255185627e77a3.exe
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Size
210KB
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Sample
210715-zzcxw8v4s6
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MD5
8144e93bdffac95244255185627e77a3
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SHA1
486e490e8803274a115186b72eaba6da44122c86
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SHA256
7d5dff7be7a6f4b4d39ca0f4bc39bc5bcf00f6ac0e8fb42f7fcedea1239de30a
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SHA512
8c688e693017c151423c3e15bf03eeab2741b3bb405fb3b3d8e24b038d0906aea73c3d9b3603ebe377f7b13d7747d31d9815ad7ee5d6b3e05ae63fabf4b79b58
Static task
static1
Behavioral task
behavioral1
Sample
8144e93bdffac95244255185627e77a3.exe
Resource
win7v20210408
Malware Config
Extracted
smokeloader
2020
http://999080321newfolder1002002131-service1002.space/
http://999080321newfolder1002002231-service1002.space/
http://999080321newfolder3100231-service1002.space/
http://999080321newfolder1002002431-service1002.space/
http://999080321newfolder1002002531-service1002.space/
http://999080321newfolder33417-012425999080321.space/
http://999080321test125831-service10020125999080321.space/
http://999080321test136831-service10020125999080321.space/
http://999080321test147831-service10020125999080321.space/
http://999080321test146831-service10020125999080321.space/
http://999080321test134831-service10020125999080321.space/
http://999080321est213531-service1002012425999080321.ru/
http://999080321yes1t3481-service10020125999080321.ru/
http://999080321test13561-service10020125999080321.su/
http://999080321test14781-service10020125999080321.info/
http://999080321test13461-service10020125999080321.net/
http://999080321test15671-service10020125999080321.tech/
http://999080321test12671-service10020125999080321.online/
http://999080321utest1341-service10020125999080321.ru/
http://999080321uest71-service100201dom25999080321.ru/
http://999080321test61-service10020125999080321.website/
http://999080321test51-service10020125999080321.xyz/
http://999080321test41-service100201pro25999080321.ru/
http://999080321yest31-service100201rus25999080321.ru/
http://999080321rest21-service10020125999080321.eu/
http://999080321test11-service10020125999080321.press/
http://999080321newfolder4561-service10020125999080321.ru/
http://999080321rustest213-service10020125999080321.ru/
http://999080321test281-service10020125999080321.ru/
http://999080321test261-service10020125999080321.space/
http://999080321yomtest251-service10020125999080321.ru/
http://999080321yirtest231-service10020125999080321.ru/
http://nusurtal4f.net/
http://netomishnetojuk.net/
http://escalivrouter.net/
http://nick22doom4.net/
http://wrioshtivsio.su/
http://nusotiso4.su/
http://rickkhtovkka.biz/
http://palisotoliso.net/
Extracted
redline
q
45.32.235.238:45555
Extracted
vidar
39.6
824
https://sslamlssa1.tumblr.com/
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profile_id
824
Extracted
vidar
39.5
824
https://olegf9844.tumblr.com/
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profile_id
824
Extracted
redline
bibi
45.147.230.79:12632
Extracted
vidar
39.6
517
https://sslamlssa1.tumblr.com/
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profile_id
517
Targets
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Target
8144e93bdffac95244255185627e77a3.exe
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Size
210KB
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MD5
8144e93bdffac95244255185627e77a3
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SHA1
486e490e8803274a115186b72eaba6da44122c86
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SHA256
7d5dff7be7a6f4b4d39ca0f4bc39bc5bcf00f6ac0e8fb42f7fcedea1239de30a
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SHA512
8c688e693017c151423c3e15bf03eeab2741b3bb405fb3b3d8e24b038d0906aea73c3d9b3603ebe377f7b13d7747d31d9815ad7ee5d6b3e05ae63fabf4b79b58
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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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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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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 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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Drops file in System32 directory
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Suspicious use of NtCreateThreadExHideFromDebugger
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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
Disabling Security Tools
1Modify Registry
4Virtualization/Sandbox Evasion
1File Permissions Modification
1Install Root Certificate
1