General
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Target
Setup.exe
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Size
425KB
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Sample
211018-w97wgsecc3
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MD5
93d44fa2ceefa5dab55b3b4d89c5c3de
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SHA1
5af7a4e78c39b15e8d94a6c8ea247c96734ecca5
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SHA256
8bd004298abd06e9e01067f14ca55f5d5cc899c37fc03c7b0cc3eb6702c84437
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SHA512
b481bbf8551a9d56e8161b15661ab6c08f5d024f8ccb0e842d1d2db82f80a401dd8ed3892fa8a917dcddb198c91bd5eca678093ff1b263a2194d4cc47ec65977
Static task
static1
Behavioral task
behavioral1
Sample
Setup.exe
Resource
win7-ja-20210920
Behavioral task
behavioral2
Sample
Setup.exe
Resource
win7-en-20211014
Behavioral task
behavioral3
Sample
Setup.exe
Resource
win11
Behavioral task
behavioral4
Sample
Setup.exe
Resource
win10-ja-20210920
Behavioral task
behavioral5
Sample
Setup.exe
Resource
win10-en-20211014
Malware Config
Extracted
redline
5
178.23.190.135:25442
Extracted
vidar
41.5
937
https://mas.to/@xeroxxx
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profile_id
937
Extracted
redline
01
176.57.71.68:37814
Extracted
redline
Proliv2
176.57.71.68:37814
Extracted
redline
@pankoka
185.244.217.166:56316
Extracted
smokeloader
2020
http://honawey7.top/
http://wijibui0.top/
http://hefahei6.top/
http://pipevai4.top/
http://nalirou7.top/
Targets
-
-
Target
Setup.exe
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Size
425KB
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MD5
93d44fa2ceefa5dab55b3b4d89c5c3de
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SHA1
5af7a4e78c39b15e8d94a6c8ea247c96734ecca5
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SHA256
8bd004298abd06e9e01067f14ca55f5d5cc899c37fc03c7b0cc3eb6702c84437
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SHA512
b481bbf8551a9d56e8161b15661ab6c08f5d024f8ccb0e842d1d2db82f80a401dd8ed3892fa8a917dcddb198c91bd5eca678093ff1b263a2194d4cc47ec65977
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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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Socelars Payload
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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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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Matrix ATT&CK v6
Persistence
Modify Existing Service
2Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Modify Registry
3Disabling Security Tools
1Virtualization/Sandbox Evasion
1Install Root Certificate
1