General
- Target dc5d8e942cf98e60a2a1a80ac6a82a0c.exe
- Size 319KB
- Sample221101-yd39jafdan
- SHA256 7bdfac80c82d989cc29cbf3015c9de4a0249db3fa667f470d9fbc262ec8c4e49
- MD5 dc5d8e942cf98e60a2a1a80ac6a82a0c
- SHA1 5a1a201cc8e47184fe28d36876b24c6dcaab718b
- SHA512 b5036efee918ec52fd086d682589d33dc8d146a6268f95534550579427e474c2d612a5d8326b4ccc456b75b7b9972147046502cf14522ef79e27c50d8c623446
- SSDEEP 3072:Z/zZQt8yukUoPs5PlIP2SHsZnyYD0qwN2vCahS3DVajo6yjAu9VggjcGkNIVqIAk:hZq8yfPUnVQq0zahCajdw7ITsqS
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
dc5d8e942cf98e60a2a1a80ac6a82a0c.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
dc5d8e942cf98e60a2a1a80ac6a82a0c.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
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djvu
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http://fresherlights.com/lancer/get.php
-
extension
.bozq
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offline_id
oHp5e4SJxdFtxfvKYmeX06F4C5cn0EcsF5Ak9Wt1
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payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.com/files/1/build3.exe
-
ransomnote
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Extracted
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redline
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mario23_10
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167.235.252.160:10642
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auth_value
eca57cfb5172f71dc45986763bb98942
Extracted
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redline
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Google2
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167.235.71.14:20469
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auth_value
fb274d9691235ba015830da570a13578
Targets
-
- Target dc5d8e942cf98e60a2a1a80ac6a82a0c.exe
- Size 319KB
- SHA256 7bdfac80c82d989cc29cbf3015c9de4a0249db3fa667f470d9fbc262ec8c4e49
- MD5 dc5d8e942cf98e60a2a1a80ac6a82a0c
- SHA1 5a1a201cc8e47184fe28d36876b24c6dcaab718b
- SHA512 b5036efee918ec52fd086d682589d33dc8d146a6268f95534550579427e474c2d612a5d8326b4ccc456b75b7b9972147046502cf14522ef79e27c50d8c623446
- SSDEEP 3072:Z/zZQt8yukUoPs5PlIP2SHsZnyYD0qwN2vCahS3DVajo6yjAu9VggjcGkNIVqIAk:hZq8yfPUnVQq0zahCajdw7ITsqS
- MD5 SHA1 SHA512 SSDEEP
-
Detected Djvu ransomware
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Detects Smokeloader packer
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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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Blocklisted process makes network request
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Downloads MZ/PE file
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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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Modifies file permissions
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Uses the VBS compiler for execution
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Accesses Microsoft Outlook profiles
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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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Suspicious use of SetThreadContext