General
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Target
a4161a7e4be5c841d10cf69cb0fb15a1.exe
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Size
190KB
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Sample
210714-g6n6gf1bfj
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MD5
a4161a7e4be5c841d10cf69cb0fb15a1
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SHA1
9557c3c06c44ca1a5583ac531c8b36882b922c29
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SHA256
9f42f0539f682f13af0c8da768e854d2bd2d547047caf431b7e5136f6955f81d
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SHA512
909a50dec4d02d8464c0be53e3ce4abfa16575edf8e47e743f2ae7205d637d10bda05ab8fae03354287621c1c9e303d4cdfd82277ba7135e00e2916890c62752
Static task
static1
Behavioral task
behavioral1
Sample
a4161a7e4be5c841d10cf69cb0fb15a1.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
redline
pro2
151.80.46.103:8374
Extracted
redline
Btccach
185.53.46.82:3214
Extracted
vidar
39.5
824
https://olegf9844.tumblr.com/
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profile_id
824
Extracted
vidar
39.5
517
https://olegf9844.tumblr.com/
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profile_id
517
Targets
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Target
a4161a7e4be5c841d10cf69cb0fb15a1.exe
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Size
190KB
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MD5
a4161a7e4be5c841d10cf69cb0fb15a1
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SHA1
9557c3c06c44ca1a5583ac531c8b36882b922c29
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SHA256
9f42f0539f682f13af0c8da768e854d2bd2d547047caf431b7e5136f6955f81d
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SHA512
909a50dec4d02d8464c0be53e3ce4abfa16575edf8e47e743f2ae7205d637d10bda05ab8fae03354287621c1c9e303d4cdfd82277ba7135e00e2916890c62752
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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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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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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 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