Behavioral task
behavioral1
Sample
a338c03483149a3d571177520213e5772d99dac1c53cc026aa848b98c3faf631_JC.exe
Resource
win7-20230712-en
General
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Target
a338c03483149a3d571177520213e5772d99dac1c53cc026aa848b98c3faf631_JC.exe
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Size
3.1MB
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MD5
aa7a1bede908ca8d6cbc739897ca39dd
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SHA1
3006b21c0e3e7af41bc412fc3c3bd36248f9e2e1
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SHA256
a338c03483149a3d571177520213e5772d99dac1c53cc026aa848b98c3faf631
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SHA512
f4820517d87df98bc4961437ffe99aece9b8a611a8e8cdb05eed9ce75307d6c6702863280a2508a83f7b46e6ee7609c80e584980a876ee36402670d30ff73dbd
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SSDEEP
49152:evkt62XlaSFNWPjljiFa2RoUYIBcRJ6JbR3LoGdCTHHB72eh2NT:ev462XlaSFNWPjljiFXRoUYIBcRJ6L
Malware Config
Extracted
quasar
1.4.1
Office04
37.139.129.231:4782
3ad6baec-5298-42a6-9552-285b62fa02dd
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encryption_key
9EED1B7D6E8FFA2C046F59574D262777D3A1730F
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install_name
Sys.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
SystemProcess
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a338c03483149a3d571177520213e5772d99dac1c53cc026aa848b98c3faf631_JC.exe
Files
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a338c03483149a3d571177520213e5772d99dac1c53cc026aa848b98c3faf631_JC.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ