General
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Target
file.exe
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Size
1.5MB
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Sample
231012-ckjyksbh87
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MD5
851bf268a05e3255907e0116b7650e33
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SHA1
4b6d6979de1e230fc285b27038f1724773f451f1
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SHA256
ff4f9910b90be29cefcab846119e16085ef48f192d1647310f6b06384635aa30
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SHA512
f9259b2e5e043c4b2f0d13743072159f586cedcba3ce5ee21fa44d4600834f0ceebe74b249b87f525b202591cc935bfd159c6cd2cbc63ae4dab1c95a3982d1e9
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SSDEEP
24576:iyPeDVCNFKO7n7qq5isP6wn/3yq++SIX0JDLOPnh8nE2i91ofl5dSFS9sH5YJjCr:JP+YI6qmgwn/iSX0luyasfl5mS90YJCj
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
redline
breha
77.91.124.55:19071
Extracted
amadey
3.89
http://77.91.124.1/theme/index.php
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install_dir
fefffe8cea
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install_file
explothe.exe
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strings_key
36a96139c1118a354edf72b1080d4b2f
Extracted
redline
pixelscloud
85.209.176.171:80
Extracted
redline
@ytlogsbot
185.216.70.238:37515
Extracted
redline
kukish
77.91.124.55:19071
Targets
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Target
file.exe
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Size
1.5MB
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MD5
851bf268a05e3255907e0116b7650e33
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SHA1
4b6d6979de1e230fc285b27038f1724773f451f1
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SHA256
ff4f9910b90be29cefcab846119e16085ef48f192d1647310f6b06384635aa30
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SHA512
f9259b2e5e043c4b2f0d13743072159f586cedcba3ce5ee21fa44d4600834f0ceebe74b249b87f525b202591cc935bfd159c6cd2cbc63ae4dab1c95a3982d1e9
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SSDEEP
24576:iyPeDVCNFKO7n7qq5isP6wn/3yq++SIX0JDLOPnh8nE2i91ofl5dSFS9sH5YJjCr:JP+YI6qmgwn/iSX0luyasfl5mS90YJCj
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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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Detects Healer an antivirus disabler dropper
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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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SectopRAT payload
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Downloads MZ/PE file
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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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Loads dropped DLL
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Uses the VBS compiler for execution
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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
1Defense Evasion
Impair Defenses
2Disable or Modify Tools
2Modify Registry
3Scripting
1