General
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Target
137738acaa65534389455145fa1b993b.exe
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Size
188KB
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Sample
230925-k2qrfsdh5v
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MD5
137738acaa65534389455145fa1b993b
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SHA1
100fa20b76fd2d048bfa1989b3cd3c46ce3dc913
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SHA256
d2a471fca395ec5faa4dc9638d522da081c167dd742c125dcbccd16c52f37e76
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SHA512
6d9099ae4c2c61995ce3da8f03992183b3402db98c71a1d2270d732135aea6557f0263a2ae37429c7fbbde85f9cfd9ca1c8cc2e0fa4c398c77a3b3298c98c17a
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SSDEEP
3072:SorMkCQuLVZPd0ClVozwvatqcagi4G5KlY5+M3eT:So8pLVZPDlVozwIN+elYV
Static task
static1
Behavioral task
behavioral1
Sample
137738acaa65534389455145fa1b993b.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
137738acaa65534389455145fa1b993b.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
djvu
http://zexeq.com/lancer/get.php
http://zexeq.com/raud/get.php
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extension
.azop
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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
redline
LogsDiller Cloud (TG: @logsdillabot)
146.59.10.173:45035
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auth_value
3a050df92d0cf082b2cdaf87863616be
Extracted
fabookie
http://app.nnnaajjjgc.com/check/safe
Extracted
stealc
http://bakbakbak.info
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url_path
/09e4d23b10828340.php
Extracted
smokeloader
up3
Targets
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Target
137738acaa65534389455145fa1b993b.exe
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Size
188KB
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MD5
137738acaa65534389455145fa1b993b
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SHA1
100fa20b76fd2d048bfa1989b3cd3c46ce3dc913
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SHA256
d2a471fca395ec5faa4dc9638d522da081c167dd742c125dcbccd16c52f37e76
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SHA512
6d9099ae4c2c61995ce3da8f03992183b3402db98c71a1d2270d732135aea6557f0263a2ae37429c7fbbde85f9cfd9ca1c8cc2e0fa4c398c77a3b3298c98c17a
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SSDEEP
3072:SorMkCQuLVZPd0ClVozwvatqcagi4G5KlY5+M3eT:So8pLVZPDlVozwIN+elYV
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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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Glupteba payload
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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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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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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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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Drops startup file
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Executes dropped EXE
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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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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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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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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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
2Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2