General
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Target
6f06dc78d8c3a807688264335ead5fef00be7a03273ac0cc6e033a82113f6abd.exe
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Size
287KB
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Sample
211219-e91zhafhb6
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MD5
ca8d671c28df5f94a679a587e65dfcb3
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SHA1
c2d39af5c51048c863ed44d36cb39ebe7e1e12c8
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SHA256
6f06dc78d8c3a807688264335ead5fef00be7a03273ac0cc6e033a82113f6abd
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SHA512
8430a9513aef9154233c0dbb9ff9af087fe98ae0b61251fce084f57d39645c00163fa63445ea8a3069dee5c8b163b391a3d537213f138bfdc55cf96719f0a702
Static task
static1
Malware Config
Extracted
smokeloader
2020
http://host-data-coin-11.com/
http://file-coin-host-12.com/
Extracted
tofsee
mubrikych.top
oxxyfix.xyz
Extracted
redline
1
86.107.197.138:38133
Extracted
amadey
2.86
185.215.113.35/d2VxjasuwS/index.php
Extracted
redline
444
31.131.254.105:1498
Targets
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Target
6f06dc78d8c3a807688264335ead5fef00be7a03273ac0cc6e033a82113f6abd.exe
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Size
287KB
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MD5
ca8d671c28df5f94a679a587e65dfcb3
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SHA1
c2d39af5c51048c863ed44d36cb39ebe7e1e12c8
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SHA256
6f06dc78d8c3a807688264335ead5fef00be7a03273ac0cc6e033a82113f6abd
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SHA512
8430a9513aef9154233c0dbb9ff9af087fe98ae0b61251fce084f57d39645c00163fa63445ea8a3069dee5c8b163b391a3d537213f138bfdc55cf96719f0a702
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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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Suspicious use of NtCreateProcessExOtherParentProcess
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Arkei Stealer Payload
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XMRig Miner Payload
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Creates new service(s)
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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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Deletes itself
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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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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
Persistence
New Service
1Modify Existing Service
1Registry Run Keys / Startup Folder
2Scheduled Task
1Defense Evasion
Disabling Security Tools
1Modify Registry
4Install Root Certificate
1