General
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Target
ada4c1e60724a0764ccc571881f140cf11f23122abe2517b3d441bdfba912e42
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Size
350KB
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Sample
230412-g93t7sca6y
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MD5
3e48cdd75bac6e63481537c633d9deef
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SHA1
b97c36dd1ebcc18d8a79e842dde9bde143941d72
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SHA256
ada4c1e60724a0764ccc571881f140cf11f23122abe2517b3d441bdfba912e42
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SHA512
eb8d2740b9b823bdc33aad242eb18111af3a784b01dff78ca8c636eee412553571a4fc6385f8bfa6280c6d55951ef641fe539ed76d8499448103ff2d0918a86e
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SSDEEP
6144:yWgUmkDUSeKN8pR4vtXitTppppVvrv0XyozE:yWSkDDeKN8p7TppppVvD0y
Static task
static1
Behavioral task
behavioral1
Sample
ada4c1e60724a0764ccc571881f140cf11f23122abe2517b3d441bdfba912e42.exe
Resource
win10-20230220-en
Malware Config
Extracted
smokeloader
2022
http://potunulit.org/
http://hutnilior.net/
http://bulimu55t.net/
http://soryytlic4.net/
http://novanosa5org.org/
http://nuljjjnuli.org/
http://tolilolihul.net/
http://somatoka51hub.net/
http://hujukui3.net/
http://bukubuka1.net/
http://golilopaster.org/
http://newzelannd66.org/
http://otriluyttn.org/
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.boty
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offline_id
A5whrmSMRYQPLIwxS6XFix1PGn8lJ9uXUaipSat1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
amadey
3.70
77.73.134.27/n9kdjc3xSf/index.php
Extracted
redline
ROBER
138.201.195.134:15564
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auth_value
de311ede2b43457816afc0d9989c5255
Extracted
smokeloader
pub1
Targets
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Target
ada4c1e60724a0764ccc571881f140cf11f23122abe2517b3d441bdfba912e42
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Size
350KB
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MD5
3e48cdd75bac6e63481537c633d9deef
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SHA1
b97c36dd1ebcc18d8a79e842dde9bde143941d72
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SHA256
ada4c1e60724a0764ccc571881f140cf11f23122abe2517b3d441bdfba912e42
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SHA512
eb8d2740b9b823bdc33aad242eb18111af3a784b01dff78ca8c636eee412553571a4fc6385f8bfa6280c6d55951ef641fe539ed76d8499448103ff2d0918a86e
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SSDEEP
6144:yWgUmkDUSeKN8pR4vtXitTppppVvrv0XyozE:yWSkDDeKN8p7TppppVvD0y
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Detected Djvu ransomware
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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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Downloads MZ/PE file
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Stops running service(s)
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Deletes itself
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Executes dropped EXE
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Modifies file permissions
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Modify Registry
1