General
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Target
Telegram Desktop.exe
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Size
3.8MB
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Sample
230612-tfk4hsde3v
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MD5
1d156ea00258d8c5ed190ab425b6bf67
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SHA1
92014a052c4654a167e933702d8b12b13ca6a90d
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SHA256
96890d1d86aad9940fd54604ef09dd7e2dcf5cc084eeaf63a1062b4fbead91ae
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SHA512
1eaa1fe0a8bfab0004d6dc5b773f710aebd5027f2258e41b5cf24eb164a70eb65a2395cee7d3244898e011baee3e3fc6d83dbcfbe1048d117984fa9fc40d8a54
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SSDEEP
98304:iFgMEhr3Or19KXlcw1CdU2uP318hXjETV:uzGrO4n2uP3iwV
Static task
static1
Behavioral task
behavioral1
Sample
Telegram Desktop.exe
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
Telegram Desktop.exe
Resource
win7-20230220-en
Behavioral task
behavioral3
Sample
Telegram Desktop.exe
Resource
win10v2004-20230220-en
Malware Config
Targets
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Target
Telegram Desktop.exe
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Size
3.8MB
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MD5
1d156ea00258d8c5ed190ab425b6bf67
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SHA1
92014a052c4654a167e933702d8b12b13ca6a90d
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SHA256
96890d1d86aad9940fd54604ef09dd7e2dcf5cc084eeaf63a1062b4fbead91ae
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SHA512
1eaa1fe0a8bfab0004d6dc5b773f710aebd5027f2258e41b5cf24eb164a70eb65a2395cee7d3244898e011baee3e3fc6d83dbcfbe1048d117984fa9fc40d8a54
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SSDEEP
98304:iFgMEhr3Or19KXlcw1CdU2uP318hXjETV:uzGrO4n2uP3iwV
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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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Panda Stealer payload
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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StormKitty payload
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Installed Components in the registry
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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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Registers COM server for autorun
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Accesses Microsoft Outlook profiles
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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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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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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Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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Modifies termsrv.dll
Commonly used to allow simultaneous RDP sessions.
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