General
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Target
b2209d8f604eb67c6ac92e678576a3790fb24861bfd04755b742ce25a1b04cf6
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Size
866KB
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Sample
231023-fk14mseb7t
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MD5
abe39f6d918ed545efe4421561c0f37d
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SHA1
6359c59965206a597b0a94ecd79f9d1990e2778a
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SHA256
b2209d8f604eb67c6ac92e678576a3790fb24861bfd04755b742ce25a1b04cf6
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SHA512
57c0e1c6fcf463da67d8006b68a518e11b567057138ecf853de9fca1c60b1ca6f9e21c5d7eca2fac741e7049363a3535afa7f028142f36ae83c7a2e36e37ecbf
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SSDEEP
12288:dMrny90suq1o+C43mHytBtVbT7dm2DFEyQKWaQPWDPzG6JefACnhG7h99:eykq1o+C4WHytxbN3DmynRDb2hG7b9
Static task
static1
Behavioral task
behavioral1
Sample
b2209d8f604eb67c6ac92e678576a3790fb24861bfd04755b742ce25a1b04cf6.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
b2209d8f604eb67c6ac92e678576a3790fb24861bfd04755b742ce25a1b04cf6.exe
Resource
win10-20231020-en
Malware Config
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
redline
breha
77.91.124.55:19071
Extracted
redline
homed
109.107.182.133:19084
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
kinder
109.107.182.133:19084
Extracted
redline
5141679758_99
https://pastebin.com/raw/8baCJyMF
Targets
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Target
b2209d8f604eb67c6ac92e678576a3790fb24861bfd04755b742ce25a1b04cf6
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Size
866KB
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MD5
abe39f6d918ed545efe4421561c0f37d
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SHA1
6359c59965206a597b0a94ecd79f9d1990e2778a
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SHA256
b2209d8f604eb67c6ac92e678576a3790fb24861bfd04755b742ce25a1b04cf6
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SHA512
57c0e1c6fcf463da67d8006b68a518e11b567057138ecf853de9fca1c60b1ca6f9e21c5d7eca2fac741e7049363a3535afa7f028142f36ae83c7a2e36e37ecbf
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SSDEEP
12288:dMrny90suq1o+C43mHytBtVbT7dm2DFEyQKWaQPWDPzG6JefACnhG7h99:eykq1o+C4WHytxbN3DmynRDb2hG7b9
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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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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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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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