General
- Target 3a3c73c139d12addf585756334a51fb8ca6381a27531c67ba306923a08fbb05e
- Size 794KB
- Sample210903-k2rnragack
- SHA256 3a3c73c139d12addf585756334a51fb8ca6381a27531c67ba306923a08fbb05e
- MD5 00326b533abf1a5ad4fa70b4962ab98f
- SHA1 ee14ff58decbdd7d9d9908a93de009556dd0840a
- SHA512 1517de94d9711b263b51b98a3d38dac1fab43d230adde7ea17e620e50e02a3321c45f2c00e81f2ac00982a190e9e83241ff8a08a8dc4401449cdbe450d722daf
- MD5 SHA1 SHA512
Static task
static1
Behavioral task
behavioral1
Sample
3a3c73c139d12addf585756334a51fb8ca6381a27531c67ba306923a08fbb05e.exe
Resource
win7-en
Behavioral task
behavioral2
Sample
3a3c73c139d12addf585756334a51fb8ca6381a27531c67ba306923a08fbb05e.exe
Resource
win10-en
Malware Config
Extracted
-
vidar
-
40.4
-
517
-
https://romkaxarit.tumblr.com/
-
profile_id
517
Targets
-
- Target 3a3c73c139d12addf585756334a51fb8ca6381a27531c67ba306923a08fbb05e
- Size 794KB
- SHA256 3a3c73c139d12addf585756334a51fb8ca6381a27531c67ba306923a08fbb05e
- MD5 00326b533abf1a5ad4fa70b4962ab98f
- SHA1 ee14ff58decbdd7d9d9908a93de009556dd0840a
- SHA512 1517de94d9711b263b51b98a3d38dac1fab43d230adde7ea17e620e50e02a3321c45f2c00e81f2ac00982a190e9e83241ff8a08a8dc4401449cdbe450d722daf
- MD5 SHA1 SHA512
-
Detected Djvu ransomeware
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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Vidar Stealer
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Downloads MZ/PE file
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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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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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