General
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Target
DarkComet - v.5.3.1 FWB.exe
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Size
17.4MB
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Sample
221009-tfmmcahbg5
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MD5
c024f8b0b4261b9be1b91c6ade2dda7c
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SHA1
4906f7060ab6480b74f7595c35d980c6362fc5b2
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SHA256
8df919d13e79c80c26053c7aa529fc3a0b49c0db77f957b38c49e80e9ffb53a4
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SHA512
0ad21960063804c974f09dc7043e9ed4f0769387bab72e391dc2d51ad0a01e385a5b00c6047ec9c7907023aebeb3d61b7725052c7d980a607e220222eb760d43
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SSDEEP
196608:j9MP1MAjVO50UX2gZ71Sh2c8YcGrDUHFy0L+jvKqivOt4AdomZ0p1lm2fB1p4oUg:j9MP1Q6F8RC8tQRiqcU4mzKp1E2fBS
Static task
static1
Behavioral task
behavioral1
Sample
DarkComet - v.5.3.1 FWB.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
DarkComet - v.5.3.1 FWB.exe
Resource
win10v2004-20220812-en
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.exe
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Size
17.4MB
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MD5
c024f8b0b4261b9be1b91c6ade2dda7c
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SHA1
4906f7060ab6480b74f7595c35d980c6362fc5b2
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SHA256
8df919d13e79c80c26053c7aa529fc3a0b49c0db77f957b38c49e80e9ffb53a4
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SHA512
0ad21960063804c974f09dc7043e9ed4f0769387bab72e391dc2d51ad0a01e385a5b00c6047ec9c7907023aebeb3d61b7725052c7d980a607e220222eb760d43
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SSDEEP
196608:j9MP1MAjVO50UX2gZ71Sh2c8YcGrDUHFy0L+jvKqivOt4AdomZ0p1lm2fB1p4oUg:j9MP1Q6F8RC8tQRiqcU4mzKp1E2fBS
Score10/10-
Modifies WinLogon for persistence
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Suspicious use of SetThreadContext
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