Behavioral task
behavioral1
Sample
a6c317dcb5b9f43c26d53121a696eadb.exe
Resource
win7-20230220-en
General
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Target
a6c317dcb5b9f43c26d53121a696eadb.exe
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Size
3.1MB
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MD5
a6c317dcb5b9f43c26d53121a696eadb
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SHA1
10516eb3ed753b9f224f2170da50cde5f0e32d2c
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SHA256
a7e7d00dbcfded8345042410b362d04338fa33dea700a9cdf18679578f6d51af
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SHA512
5cf4f966dc5b94d35804448dde4600049407884330971e34e9462f044f8bb966035759f3a1d1ddb2796565cfed215b544c5adcdb60a75b4cbd15f9b1b1a4583d
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SSDEEP
49152:bvyI22SsaNYfdPBldt698dBcjHsRu6nBxHOoGdG5MbOTHHB72eh2NT:bvf22SsaNYfdPBldt6+dBcjHf6q
Malware Config
Extracted
quasar
1.4.1
Office04
147.135.165.27:4782
f500aa4e-d127-4766-9ef9-64174e95f29c
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encryption_key
491408BD5297689B51A8088AE3C37B6548A71F50
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource a6c317dcb5b9f43c26d53121a696eadb.exe
Files
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a6c317dcb5b9f43c26d53121a696eadb.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