Behavioral task
behavioral1
Sample
1908-78-0x0000000000400000-0x000000000044E000-memory.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
1908-78-0x0000000000400000-0x000000000044E000-memory.exe
Resource
win10v2004-20230220-en
General
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Target
1908-78-0x0000000000400000-0x000000000044E000-memory.dmp
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Size
312KB
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MD5
c7324d94d83d13a29f5e8887dd70ea0c
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SHA1
96128ba34eb727bad7f1b0f8c87e4898b20de10b
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SHA256
a9e48c11cb082f89f48d400d788d6247abb791bd14bd51a141c955a075960d4a
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SHA512
4c8277ba2ea8799618e2c9857e1ceae7218a3041e44891284be400980213af7081440b27ec8f1f3648297556250f01089f29689eeef08aae3698202b8716f70a
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SSDEEP
6144:nKJuiyEnCGnhJlMP5Kq+SMv0VGb7bDcllbkC:izCGL69zVGkllbk
Malware Config
Extracted
quasar
1.4.0.0
Office04
hostmeta.duckdns.org:3400
PCoa0XHES5x7Cr7a01
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encryption_key
cH5E0mLkGfudyeRokQBJ
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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
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 1908-78-0x0000000000400000-0x000000000044E000-memory.dmp
Files
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1908-78-0x0000000000400000-0x000000000044E000-memory.dmp.exe windows x86
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
Sections
.text Size: 285KB - Virtual size: 285KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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