General
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Target
YHN4K_random.exe
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Size
6.1MB
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Sample
250406-g42d7asyfs
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MD5
6d59590bcc2cf8dc925d9edbf55a5001
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SHA1
c615992b8ed47f13000c1253ca6c1e5cd8eacba9
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SHA256
52eca724693525d2df076c0af355f8945af9a77dcb0e9a644ede46eb02674eeb
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SHA512
c687d0b597bdfba4209721284d51cb09efc74b28a516513de740ed04d2a7648227ca11850c3663149d4963ad22bf7be3507af1a18ac2c0bb6a90eb8f3b039e05
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SSDEEP
196608:i+XP7VLihuEaC+oz4k6Kc2vnrClAZxQ9Qh9WJCWDiJm5z:i+/7VL4uy4kddvrClEQ9Qh0C/Jm5
Static task
static1
Malware Config
Extracted
http://176.113.115.7/mine/random.exe
Extracted
amadey
5.21
092155
http://176.113.115.6
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install_dir
bb556cff4a
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install_file
rapes.exe
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strings_key
a131b127e996a898cd19ffb2d92e481b
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url_paths
/Ni9kiput/index.php
Extracted
lumma
https://pepperiop.digital/oage
https://7jrxsafer.top/shpaoz
https://plantainklj.run/opafg
https://puerrogfh.live/iqwez
https://quavabvc.top/iuzhd
https://9advennture.top/GKsiio
https://targett.top/dsANGt
https://rambutanvcx.run/adioz
https://ywmedici.top/noagis
https://rodformi.run/aUosoz
https://metalsyo.digital/opsa
https://ironloxp.live/aksdd
https://navstarx.shop/FoaJSi
https://wstarcloc.bet/GOksAo
https://advennture.top/GKsiio
https://atargett.top/dsANGt
https://spacedbv.world/EKdlsk
https://galxnetb.today/GsuIAo
https://xrfxcaseq.live/gspaz
https://jrxsafer.top/shpaoz
https://gkrxspint.digital/kendwz
https://erhxhube.run/pogrs
https://grxeasyw.digital/xxepw
https://reboundui.live/aomgd
https://krxspint.digital/kendwz
https://rhxhube.run/pogrs
https://6grxeasyw.digital/xxepw
https://npepperiop.digital/oage
https://cplantainklj.run/opafg
https://gpuerrogfh.live/iqwez
https://starcloc.bet/GOksAo
https://28jrxsafer.top/shpaoz
https://kadvennture.top/GKsiio
https://-puerrogfh.live/iqwez
Extracted
gcleaner
185.156.73.98
45.91.200.135
Extracted
quasar
1.5.0
Office04
goku92ad.zapto.org:5000
a0766e5c-a1d1-4766-a1f5-4e4f9f9fe35a
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encryption_key
BF72099FDBC6B48816529089CF1CF2CF86357D14
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Modded Client Startup
-
subdirectory
SubDir
Extracted
xworm
5.0
127.0.0.1:9000
45.134.39.20:9000
oV8zKY7m1pKloRzQ
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install_file
USB.exe
Targets
-
-
Target
YHN4K_random.exe
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Size
6.1MB
-
MD5
6d59590bcc2cf8dc925d9edbf55a5001
-
SHA1
c615992b8ed47f13000c1253ca6c1e5cd8eacba9
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SHA256
52eca724693525d2df076c0af355f8945af9a77dcb0e9a644ede46eb02674eeb
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SHA512
c687d0b597bdfba4209721284d51cb09efc74b28a516513de740ed04d2a7648227ca11850c3663149d4963ad22bf7be3507af1a18ac2c0bb6a90eb8f3b039e05
-
SSDEEP
196608:i+XP7VLihuEaC+oz4k6Kc2vnrClAZxQ9Qh9WJCWDiJm5z:i+/7VL4uy4kddvrClEQ9Qh0C/Jm5
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Amadey family
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Detect Xworm Payload
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Gcleaner family
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Lumma family
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Quasar family
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Quasar payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Xworm family
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Blocklisted process makes network request
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Downloads MZ/PE file
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Sets service image path in registry
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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
-
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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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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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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Enumerates processes with tasklist
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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
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Modify Registry
2Pre-OS Boot
1Bootkit
1Virtualization/Sandbox Evasion
2