General
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Target
8b7732e436f705e1a01a820759bcd33cc0a46ea0db18ba7d91cbb36d95e8ca63
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Size
329KB
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Sample
240417-qw9j9shh49
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MD5
b21140be953b1944d70e0c8c6b2278bb
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SHA1
ebb6ab204e2c8aad78b26d9c86b20da0efb2a1e6
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SHA256
8b7732e436f705e1a01a820759bcd33cc0a46ea0db18ba7d91cbb36d95e8ca63
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SHA512
fee2aa9b7d0281dfceac19c86d756fee0c4bf042b5db5ea7fbb44086bf2d9a42ba87cc28bced696335ceacc74c8d29be6bf1350159416afbcdb914069d28dcca
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SSDEEP
6144:KOcrDzyOf4nXmtTTMSxhttZJpZ4u4wqYCpAc64p6AnTEeU6bnfx2BdlA:KOI/HWXmyALZJpJqYm64RnTEQZ2BdO
Behavioral task
behavioral1
Sample
1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
Resource
win10v2004-20240412-en
Malware Config
Extracted
C:\Users\Admin\Desktop\bfYZS_readme_.txt
avaddon
http://avaddongun7rngel.onion
http://avaddonbotrxmuyl.onion
Extracted
C:\Users\Admin\Documents\bfYZS_readme_.txt
avaddon
http://avaddongun7rngel.onion
http://avaddonbotrxmuyl.onion
Extracted
C:\Users\Admin\Desktop\9P79Hu_readme_.txt
avaddon
http://avaddongun7rngel.onion
http://avaddonbotrxmuyl.onion
Extracted
C:\Users\Admin\Downloads\9P79Hu_readme_.txt
avaddon
http://avaddongun7rngel.onion
http://avaddonbotrxmuyl.onion
Targets
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Target
1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
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Size
775KB
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MD5
0b486fe0503524cfe4726a4022fa6a68
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SHA1
297dea71d489768ce45d23b0f8a45424b469ab00
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SHA256
1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2
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SHA512
f4273ca5cc3a9360af67f4b4ee0bf067cf218c5dc8caeafbfa1b809715effe742f2e1f54e4fe9ec8d4b8e3ae697d57f91c2b49bdf203648508d75d4a76f53619
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SSDEEP
24576:TCs99+OXLpMePfI8TgmBTCDqEbOpPtpFhyxfq:5GOXLpMePfzVTCD7gPtLhSfq
Score10/10-
Avaddon
Ransomware-as-a-service first released in June 2020 and currently expanding its userbase among criminal actors.
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Avaddon payload
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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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Renames multiple (199) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
2