General
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Target
757e71cfe4c154b16110208b4690a21e.exe
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Size
331KB
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Sample
220117-tnhclabah3
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MD5
757e71cfe4c154b16110208b4690a21e
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SHA1
2b64becfca18e14756f43980132d8c804e624776
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SHA256
5cbc602e1850dce976f8f5a33a1b97aed7648f409892fc2a0da0900d3d97bb53
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SHA512
9379e299f63db4bd6ff60c572a052fca1d8f4e8a5f07eb7a5e78c69705242de89f2359cea987bf507e5223b0622a07a1987d28b6f2df11956b901bfa6b003fd7
Static task
static1
Behavioral task
behavioral1
Sample
757e71cfe4c154b16110208b4690a21e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
757e71cfe4c154b16110208b4690a21e.exe
Resource
win10v2004-en-20220113
Malware Config
Extracted
smokeloader
2020
http://host-data-coin-11.com/
http://file-coin-host-12.com/
http://srtuiyhuali.at/
http://fufuiloirtu.com/
http://amogohuigotuli.at/
http://novohudosovu.com/
http://brutuilionust.com/
http://bubushkalioua.com/
http://dumuilistrati.at/
http://verboliatsiaeeees.com/
Extracted
tofsee
patmushta.info
parubey.info
Extracted
raccoon
1.8.5
628dbe616eb46c5e66398ea6a12fa931e1f38eaf
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url4cnc
http://185.163.204.22/capibar
http://178.62.113.205/capibar
https://t.me/capibar
Extracted
arkei
Default
http://file-file-host4.com/tratata.php
Targets
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Target
757e71cfe4c154b16110208b4690a21e.exe
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Size
331KB
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MD5
757e71cfe4c154b16110208b4690a21e
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SHA1
2b64becfca18e14756f43980132d8c804e624776
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SHA256
5cbc602e1850dce976f8f5a33a1b97aed7648f409892fc2a0da0900d3d97bb53
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SHA512
9379e299f63db4bd6ff60c572a052fca1d8f4e8a5f07eb7a5e78c69705242de89f2359cea987bf507e5223b0622a07a1987d28b6f2df11956b901bfa6b003fd7
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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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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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 Enterprise v6
Persistence
Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Disabling Security Tools
1Install Root Certificate
1Modify Registry
3Web Service
1