General
- Target syn.bat
- Size 9.3MB
- Sample260103-cdf84sgx6b
- SHA256 2c202d0e153b53f5ac2ee8c1da23e0d5b3c8ed8ebf26e6683ccd88ee40216ba5
- MD5 991bf85e6a38373f5bdf5aa3146f2dbe
- SHA1 fe350599f2749c1fab63a396005009a56cda6069
- SHA512 ee6baecbbb2416183035becf77145388a8512d995f2f7f17069c46a351ea93ce3c0fcb3520a71e01db92d89f33920c9d3e1bc9e5503ceac3e348ed278d2a2505
- SSDEEP 49152:SIaiRzWKoneaYlooooooxMyOky3SDaYTZtJfBcfO0t1N7cdNg4YBWh4YhOt/kqqG:8
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
syn.bat
Resource
win10ltsc2021-20251231-en
32 signatures
150 seconds
Malware Config
Extracted
Family
-
quasar
Version
-
2.4.2
Botnet
-
Office04
C2
-
cooller-47026.portmap.host:47026
Mutex
-
59a901ba-cb86-4a05-b7fb-658ebe257410
Attributes
-
encryption_key
66306632E743BA52A6AF15A1A9004C72C82CC3CE
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Targets
-
- Target syn.bat
- Size 9.3MB
- SHA256 2c202d0e153b53f5ac2ee8c1da23e0d5b3c8ed8ebf26e6683ccd88ee40216ba5
- MD5 991bf85e6a38373f5bdf5aa3146f2dbe
- SHA1 fe350599f2749c1fab63a396005009a56cda6069
- SHA512 ee6baecbbb2416183035becf77145388a8512d995f2f7f17069c46a351ea93ce3c0fcb3520a71e01db92d89f33920c9d3e1bc9e5503ceac3e348ed278d2a2505
- SSDEEP 49152:SIaiRzWKoneaYlooooooxMyOky3SDaYTZtJfBcfO0t1N7cdNg4YBWh4YhOt/kqqG:8
- MD5 SHA1 SHA512 SSDEEP
-
Detects DonutLoader
-
DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
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Donutloader family
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Quasar family
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Quasar payload
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Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Indicator Removal: Clear Windows Event Logs
Clear Windows Event Logs to hide the activity of an intrusion.
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Drops file in System32 directory