General
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Target
file.exe
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Size
1.3MB
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Sample
230921-ftpf7sfd83
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MD5
53593f2452e63d9f0fa67b9ee31e884b
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SHA1
a3f0cee94a8b2380881bdc28659c9c16e72d4039
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SHA256
f2d823dd2bca692c89a26b894349416fc5d32e3267b906c8666db0dd3db1c3ea
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SHA512
5e5bb1dee9b4a2b52e7326250b52324910adce15fc0cdfa4fce101cf81539f761ac7fd54c6b6497930a4d45ac5bb26c4e23acfd9e87832e92dbf860d858fcdde
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SSDEEP
24576:VycxTiDDK8QZJnzgFQy+Yo/r9bnOjHoxyUvs5UXTvh4At+w4:wcx268QTUFF+7jKHoxt06XTvh4AUw
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
redline
trush
77.91.124.82:19071
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auth_value
c13814867cde8193679cd0cad2d774be
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Targets
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Target
file.exe
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Size
1.3MB
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MD5
53593f2452e63d9f0fa67b9ee31e884b
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SHA1
a3f0cee94a8b2380881bdc28659c9c16e72d4039
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SHA256
f2d823dd2bca692c89a26b894349416fc5d32e3267b906c8666db0dd3db1c3ea
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SHA512
5e5bb1dee9b4a2b52e7326250b52324910adce15fc0cdfa4fce101cf81539f761ac7fd54c6b6497930a4d45ac5bb26c4e23acfd9e87832e92dbf860d858fcdde
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SSDEEP
24576:VycxTiDDK8QZJnzgFQy+Yo/r9bnOjHoxyUvs5UXTvh4At+w4:wcx268QTUFF+7jKHoxt06XTvh4AUw
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Detects Healer an antivirus disabler dropper
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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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XMRig Miner payload
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Uses the VBS compiler for execution
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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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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
2Disable or Modify Tools
2Modify Registry
3Scripting
1