General
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Target
setup_installer.exe
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Size
3.1MB
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Sample
210708-na9gykb6yj
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MD5
22b4d432a671c3f71aa1e32065f81161
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SHA1
9a18ff96ad8bf0f3133057c8047c10d0d205735e
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SHA256
4c61aeec3fa5cbd6e8cd19272d28a1e07a8ac96e3fd8b2343791ed2521dd3028
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SHA512
c0af739ec9a93978c8c25ad05a2c0826a8320a9ac007bbd36f6846053bc8d434e23a6edf19d1666767fd7ad404532983604fd7774cf18940f7541616700be523
Static task
static1
Behavioral task
behavioral1
Sample
setup_installer.exe
Resource
win7v20210408
Malware Config
Extracted
redline
ServAni
87.251.71.195:82
Extracted
vidar
39.4
706
https://sergeevih43.tumblr.com
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profile_id
706
Extracted
smokeloader
2020
http://ppcspb.com/upload/
http://mebbing.com/upload/
http://twcamel.com/upload/
http://howdycash.com/upload/
http://lahuertasonora.com/upload/
http://kpotiques.com/upload/
Targets
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Target
setup_installer.exe
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Size
3.1MB
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MD5
22b4d432a671c3f71aa1e32065f81161
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SHA1
9a18ff96ad8bf0f3133057c8047c10d0d205735e
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SHA256
4c61aeec3fa5cbd6e8cd19272d28a1e07a8ac96e3fd8b2343791ed2521dd3028
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SHA512
c0af739ec9a93978c8c25ad05a2c0826a8320a9ac007bbd36f6846053bc8d434e23a6edf19d1666767fd7ad404532983604fd7774cf18940f7541616700be523
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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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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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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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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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 NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v6
Defense Evasion
Modify Registry
3Disabling Security Tools
1Virtualization/Sandbox Evasion
1Install Root Certificate
1