General
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Target
c645ce6a92439dc9e2c4a914f40a83faa3a735a1f92bc1b4187f0e08f49d0580
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Size
231KB
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Sample
230817-enmjzsfb55
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MD5
98a11cf28cb4292f7f687cd96c8cfa05
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SHA1
ecddd70ff01aea7f7851b8d7b33de9e2f4d8cf0e
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SHA256
c645ce6a92439dc9e2c4a914f40a83faa3a735a1f92bc1b4187f0e08f49d0580
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SHA512
4c088a7fb2f8dfcf43e41688b54dd41b57e996bad87c1eb6cf3e7da2a5fd6c35d617afe250fb9defdee429226a36123ba6f01dc36c0f3d4ea080fe6af1686ea9
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SSDEEP
3072:lBX5xVvls/6QTLsb3AX18cXM4j9GvFGTezVpRcBeG2u0ON9D5ZQuJm:n5HBILOAXemjEvFGKRpw9287Dg
Static task
static1
Behavioral task
behavioral1
Sample
c645ce6a92439dc9e2c4a914f40a83faa3a735a1f92bc1b4187f0e08f49d0580.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
c645ce6a92439dc9e2c4a914f40a83faa3a735a1f92bc1b4187f0e08f49d0580.exe
Resource
win10-20230703-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
redline
lux3
176.123.9.142:14845
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auth_value
e94dff9a76da90d6b000642c4a52574b
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.taoy
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offline_id
cshgakAnUmp40qfk3nvyiyRRVOf96kqTUfJ1MNt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
redline
38.181.25.43:3325
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auth_value
082cde17c5630749ecb0376734fe99c9
Extracted
redline
LogsDiller Cloud (TG: @logsdillabot)
51.83.170.21:19447
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auth_value
3a050df92d0cf082b2cdaf87863616be
Extracted
smokeloader
pub1
Targets
-
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Target
c645ce6a92439dc9e2c4a914f40a83faa3a735a1f92bc1b4187f0e08f49d0580
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Size
231KB
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MD5
98a11cf28cb4292f7f687cd96c8cfa05
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SHA1
ecddd70ff01aea7f7851b8d7b33de9e2f4d8cf0e
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SHA256
c645ce6a92439dc9e2c4a914f40a83faa3a735a1f92bc1b4187f0e08f49d0580
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SHA512
4c088a7fb2f8dfcf43e41688b54dd41b57e996bad87c1eb6cf3e7da2a5fd6c35d617afe250fb9defdee429226a36123ba6f01dc36c0f3d4ea080fe6af1686ea9
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SSDEEP
3072:lBX5xVvls/6QTLsb3AX18cXM4j9GvFGTezVpRcBeG2u0ON9D5ZQuJm:n5HBILOAXemjEvFGKRpw9287Dg
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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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Downloads MZ/PE file
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Modifies Windows Firewall
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Deletes itself
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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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Uses the VBS compiler for execution
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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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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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Drops file in System32 directory
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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