General
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Target
91c4b892c9f1f08483790880304ea3e514b5e09c3e27c98cc7836b0ca5bf8bbd_JC.exe
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Size
1.1MB
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Sample
231010-wlak3sfc5s
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MD5
0800819d598da5b5b73ed08919c4f815
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SHA1
6668cbb3c9fa0d0adceb0ffe21a299f8657d80d6
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SHA256
91c4b892c9f1f08483790880304ea3e514b5e09c3e27c98cc7836b0ca5bf8bbd
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SHA512
89900072bcc1df3056ef17b4c648ec883a5abe619e5e211cfcce009cb153ac7fae98f63d3746670670120fbfbd4e0325b2dc0b973407322b2c8e6a43ec464853
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SSDEEP
24576:dyF/snW/DLZSHAAwnx338tHwRO//JszrNM5+N3:4FTD9Awx33EHTHJsz5M5
Static task
static1
Behavioral task
behavioral1
Sample
91c4b892c9f1f08483790880304ea3e514b5e09c3e27c98cc7836b0ca5bf8bbd_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
91c4b892c9f1f08483790880304ea3e514b5e09c3e27c98cc7836b0ca5bf8bbd_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
redline
magia
77.91.124.55:19071
Extracted
smokeloader
2022
http://77.91.68.29/fks/
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
lutyr
77.91.124.55:19071
Extracted
smokeloader
up3
Targets
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Target
91c4b892c9f1f08483790880304ea3e514b5e09c3e27c98cc7836b0ca5bf8bbd_JC.exe
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Size
1.1MB
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MD5
0800819d598da5b5b73ed08919c4f815
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SHA1
6668cbb3c9fa0d0adceb0ffe21a299f8657d80d6
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SHA256
91c4b892c9f1f08483790880304ea3e514b5e09c3e27c98cc7836b0ca5bf8bbd
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SHA512
89900072bcc1df3056ef17b4c648ec883a5abe619e5e211cfcce009cb153ac7fae98f63d3746670670120fbfbd4e0325b2dc0b973407322b2c8e6a43ec464853
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SSDEEP
24576:dyF/snW/DLZSHAAwnx338tHwRO//JszrNM5+N3:4FTD9Awx33EHTHJsz5M5
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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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Suspicious use of NtCreateUserProcessOtherParentProcess
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Windows Firewall
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Stops running service(s)
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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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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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Legitimate hosting services abused for malware hosting/C2
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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
3Windows Service
3Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1