General
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Target
NEAS.At7Vx21exe_JC.exe
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Size
1.2MB
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Sample
231006-shn3hsff58
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MD5
a584375a3a50d98e7033a22b0cc65f11
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SHA1
738b1949ea41e1d788f7eae32522fd646c0c3b54
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SHA256
1b9c0b588ae0fc8fe3576c37e2c552152d7df0a5ecb92ed277e6ae6f89386855
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SHA512
c74d763da8746b68bc4c8033e8730372b6b85c3285e387b9c92ff541c063ffd3799816841d125320eaed697e8c1aa488f2bd13d5b100a8fd599a45e966e62afd
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SSDEEP
24576:lySUZiXZZhmH7uqT95vgT9y38wk8x44gRN47xtkTDm2E02QYc:ASPThCp5vMYVx3gR27nku7jl
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.At7Vx21exe_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.At7Vx21exe_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
redline
gigant
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
amadey
3.83
http://5.42.65.80/8bmeVwqx/index.php
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install_dir
207aa4515d
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install_file
oneetx.exe
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strings_key
3e634dd0840c68ae2ced83c2be7bf0d4
Extracted
redline
frant
77.91.124.55:19071
Extracted
redline
@ytlogsbot
176.123.4.46:33783
Extracted
mystic
http://5.42.92.211/loghub/master
Targets
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Target
NEAS.At7Vx21exe_JC.exe
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Size
1.2MB
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MD5
a584375a3a50d98e7033a22b0cc65f11
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SHA1
738b1949ea41e1d788f7eae32522fd646c0c3b54
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SHA256
1b9c0b588ae0fc8fe3576c37e2c552152d7df0a5ecb92ed277e6ae6f89386855
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SHA512
c74d763da8746b68bc4c8033e8730372b6b85c3285e387b9c92ff541c063ffd3799816841d125320eaed697e8c1aa488f2bd13d5b100a8fd599a45e966e62afd
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SSDEEP
24576:lySUZiXZZhmH7uqT95vgT9y38wk8x44gRN47xtkTDm2E02QYc:ASPThCp5vMYVx3gR27nku7jl
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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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Detect Mystic stealer payload
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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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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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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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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