General
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Target
b4a8466ebd6ec25b836f3d0c5c54a633e4d4ec5ad8fd14edd57c14b239ffcce5.zip
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Size
1.5MB
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Sample
240402-l7j2jaec61
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MD5
1e0debf467c4f9863d069ef60c0f5347
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SHA1
71c38b0a1b0024e0e47f9a44ba76c1b6690cbcb2
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SHA256
f397ed92e57858c68617ace4cbf5ff8c7a65b858e54584f4374260902197be8d
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SHA512
e6ae2613d4e78f4617fe8f5e9bb2434dadd998f89eba94f84717499a7cb8288918dc7c53b3d35eaf395eb912dc0723d2d98d9b706bf1e4155baafbf0d6304b9a
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SSDEEP
49152:CiNArLCd+vFyrRhdnbnSYUnmCagjaSHEp:C4AnC4SRhdnbSYUnPdjVHEp
Static task
static1
Behavioral task
behavioral1
Sample
b4a8466ebd6ec25b836f3d0c5c54a633e4d4ec5ad8fd14edd57c14b239ffcce5.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
redline
grome
77.91.124.86:19084
Extracted
amadey
3.89
http://77.91.124.1
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install_dir
fefffe8cea
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install_file
explothe.exe
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strings_key
36a96139c1118a354edf72b1080d4b2f
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url_paths
/theme/index.php
Targets
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Target
b4a8466ebd6ec25b836f3d0c5c54a633e4d4ec5ad8fd14edd57c14b239ffcce5.exe
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Size
1.6MB
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MD5
d4d937fe82ff4a99aab43581fb89ec9f
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SHA1
fe92b474f9c335d77cbc3a12be2a3e0677038cf0
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SHA256
b4a8466ebd6ec25b836f3d0c5c54a633e4d4ec5ad8fd14edd57c14b239ffcce5
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SHA512
521c788a60c2f60327f28d79e53699d47d24786b9aa3af9403d103da589459e2320fb751a9803686f74f50b204387827010a96cbac5bd45b4c6947827b919a1e
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SSDEEP
24576:OySD8YKtnyEXKS+e1RpuiZU498QkiRimacgdx9We/12zCrzi/O+O1ajULtfT22F6:d++tAde/iQkUipYet2zCrz1d1ajk9
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detect Mystic stealer payload
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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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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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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
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1