General
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Target
c2c2eaf2e751633b2d3766d188d84b5b4d360225b2c39808e53fc6d891258a50
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Size
290KB
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Sample
211219-fej8yaggej
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MD5
9f4088764f0ffdd628d45c22bfd91c3b
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SHA1
ceee7ecb7723417d254b636e604f0c30284f6a34
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SHA256
c2c2eaf2e751633b2d3766d188d84b5b4d360225b2c39808e53fc6d891258a50
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SHA512
a661cfbf3258775e814292c3f2938b27abd19fb4904da0e9eed45d42c7bf759098278436e28ba886dfd48320a13fae3755340780d80f2f1e4ca0350940663b3c
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
c2c2eaf2e751633b2d3766d188d84b5b4d360225b2c39808e53fc6d891258a50
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Size
290KB
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MD5
9f4088764f0ffdd628d45c22bfd91c3b
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SHA1
ceee7ecb7723417d254b636e604f0c30284f6a34
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SHA256
c2c2eaf2e751633b2d3766d188d84b5b4d360225b2c39808e53fc6d891258a50
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SHA512
a661cfbf3258775e814292c3f2938b27abd19fb4904da0e9eed45d42c7bf759098278436e28ba886dfd48320a13fae3755340780d80f2f1e4ca0350940663b3c
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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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suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
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suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
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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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Legitimate hosting services abused for malware hosting/C2
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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