General
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Target
ae7842a8210dd4eb3ec99120918a3630.bin
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Size
138KB
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Sample
230923-czp35sbg6s
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MD5
4e7d72a1b1de5462face4d7de59f6a96
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SHA1
2c3b16ab73c351d8f3084d6a3f801cbfe431ea37
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SHA256
8b16c4f16ac38844a57064ac9bc4f632c999dc60225931aa86d70dafec83b43f
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SHA512
a1546cdafdc193c8ea2c6d365741004bcec073bb1c1da1fc911b36e4c39fd33d7c18d8e89122753d9a514bce2de5a4e711716af527ed6e36c35f4442067eb330
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SSDEEP
3072:76JL3NGi2Zkpmx2PZz6dRkC5H9jUX0s1U3QOatkarhG6Rt51US4:76FgiIx8oRk8jU31oQfGaoV
Static task
static1
Behavioral task
behavioral1
Sample
b8608ab6cf9868ae5abfd17a92ac230770ed5d5f3836b53795972b92c7c29df3.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
b8608ab6cf9868ae5abfd17a92ac230770ed5d5f3836b53795972b92c7c29df3.exe
Resource
win10v2004-20230915-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
LogsDiller Cloud (TG: @logsdillabot)
51.38.95.107:42494
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auth_value
3a050df92d0cf082b2cdaf87863616be
Extracted
fabookie
http://app.nnnaajjjgc.com/check/safe
Extracted
djvu
http://zexeq.com/raud/get.php
http://zexeq.com/lancer/get.php
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extension
.azhi
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offline_id
GQ9DjFmWFDqpsyzsOnaxE1Xr4MPL1dG4vPfPDNt1
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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
smokeloader
pub1
Targets
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Target
b8608ab6cf9868ae5abfd17a92ac230770ed5d5f3836b53795972b92c7c29df3.exe
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Size
293KB
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MD5
ae7842a8210dd4eb3ec99120918a3630
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SHA1
38035f9c3bcf63363fa27c6cb850ee2fbc1fa83f
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SHA256
b8608ab6cf9868ae5abfd17a92ac230770ed5d5f3836b53795972b92c7c29df3
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SHA512
1f67ad711fee834f257310d41e910a8a272ff52f081e9ec94c6a0d864f480f7d9bb761ed517667ce732f62e34903f11b18a23a0e22ac541c1b5764849d03345a
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SSDEEP
3072:VmCXQpzSD/i6rZxQBgzGFfk8L+fdmKVISG2QfW8Ur+kJwng8uve:kCQZSWsxxze88L+YaZQflkJgg8s
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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 Fabookie payload
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Detected Djvu ransomware
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Downloads MZ/PE file
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Drops file in Drivers directory
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Stops running service(s)
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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Drops startup file
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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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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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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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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
1Pre-OS Boot
1Bootkit
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
File and Directory Permissions Modification
1Impair Defenses
1Modify Registry
3Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1