General
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Target
88F45447323E843603078BA9A53E2331.exe
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Size
4.5MB
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Sample
210701-dxqnen41tx
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MD5
88f45447323e843603078ba9a53e2331
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SHA1
033d906d2f767f547ff73f9441e28ccde0822603
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SHA256
401d56a86e9a68b82996d52f22858ae928d88163e8bacc9b4acee0213c98c682
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SHA512
f078f50cb7c5e45eddec22fec27c328e39e0f240c6401523ee847810128b283930f005daafe8611db824a419323de3ccb39e68ad8948f596288105bf0d3f839a
Static task
static1
Behavioral task
behavioral1
Sample
88F45447323E843603078BA9A53E2331.exe
Resource
win7v20210410
Malware Config
Extracted
redline
DomAni
ergerr3.top:80
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
88F45447323E843603078BA9A53E2331.exe
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Size
4.5MB
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MD5
88f45447323e843603078ba9a53e2331
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SHA1
033d906d2f767f547ff73f9441e28ccde0822603
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SHA256
401d56a86e9a68b82996d52f22858ae928d88163e8bacc9b4acee0213c98c682
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SHA512
f078f50cb7c5e45eddec22fec27c328e39e0f240c6401523ee847810128b283930f005daafe8611db824a419323de3ccb39e68ad8948f596288105bf0d3f839a
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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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Vidar Stealer
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Executes dropped EXE
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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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Adds Run key to start application
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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 SetThreadContext
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