Behavioral task
behavioral1
Sample
fa3f8212e3f1cf885d35ea36ef891350N.exe
Resource
win7-20240729-en
General
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Target
fa3f8212e3f1cf885d35ea36ef891350N.exe
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Size
3.1MB
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MD5
fa3f8212e3f1cf885d35ea36ef891350
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SHA1
49759e579fffe208716703aed27aa057913a6e08
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SHA256
78d043a6604624a4dbce3e3b284e49a297768218407213f17b5bfce17d97b6d5
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SHA512
98343b8274d5036613f04e17315de729e780f2441ba7be5d9f6bef2f314124c6caf8dd170f1b6479c9ec37225ebf40672f2303bb6814f018683a14a7cc166a0f
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SSDEEP
49152:3vyI22SsaNYfdPBldt698dBcjHjuDkE2HBk/+FxoGdFbTHHB72eh2NT:3vf22SsaNYfdPBldt6+dBcjHjuD+7
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.19:4782
5c77ed4c-6371-4d16-85c9-eceeff9626f3
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encryption_key
ED5632772B2E213D31112B5C6006F8881852B4E0
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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 fa3f8212e3f1cf885d35ea36ef891350N.exe
Files
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fa3f8212e3f1cf885d35ea36ef891350N.exe.exe windows:4 windows x86 arch: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