General
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Target
DarkComet_-_v.5.3.1_FWB.zip
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Size
15.2MB
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Sample
250114-g8nnwszkbz
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MD5
2198e442609a28a84653d700ef1fb501
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SHA1
c6caa5d1b457de542f04d5845d67c5c7676db148
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SHA256
adbc98dac44fb8972064a49ebb3112bd4fd0cdee6717a19bcc18553321a068d6
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SHA512
cff1a782b912a44af8ab12770b2a76dd494ae8fdc596b0c7f67ff1e2902f72cdf3807a6675dec4972ed7459bd1c47eaa839c7fb04fa4004b2214de0f1965bdf7
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SSDEEP
393216:uFj55EAdqMASOu3kIxQbtTXQpeaFmPxwX+8uKzk:uFF5dmSONxbtTAkaF0o+80
Static task
static1
Malware Config
Extracted
darkcomet
Guest16
dnsali.3utilities.com:1604
DC_MUTEX-S3VT824
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InstallPath
MSDCSC\msdcsc.exe
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gencode
aedfreoKqqaC
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install
true
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offline_keylogger
true
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password
12022005
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persistence
false
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reg_key
MicroUpdate
Targets
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Target
DarkComet_-_v.5.3.1_FWB.zip
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Size
15.2MB
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MD5
2198e442609a28a84653d700ef1fb501
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SHA1
c6caa5d1b457de542f04d5845d67c5c7676db148
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SHA256
adbc98dac44fb8972064a49ebb3112bd4fd0cdee6717a19bcc18553321a068d6
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SHA512
cff1a782b912a44af8ab12770b2a76dd494ae8fdc596b0c7f67ff1e2902f72cdf3807a6675dec4972ed7459bd1c47eaa839c7fb04fa4004b2214de0f1965bdf7
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SSDEEP
393216:uFj55EAdqMASOu3kIxQbtTXQpeaFmPxwX+8uKzk:uFF5dmSONxbtTAkaF0o+80
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Darkcomet family
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Modifies WinLogon for persistence
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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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Adds Run key to start application
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1