General
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Target
Client-built.exe
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Size
3.1MB
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MD5
33165662c46e7625c5a30669d601b6ee
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SHA1
963721d414f7ae3652b8f8c32f1634cc6c1562e7
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SHA256
940f6670e42c828cc23eddd022c98e98fbfc8b81c3b865afdccbb28411cd34fe
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SHA512
c9580a3a8897bf7ef31cd44e13da917fbddf651f0336655f0befad58a15dec19af157c9ce4a35996286c00a2eb557a7ca7721b7fc3a249b5353d6593ddd8af1a
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SSDEEP
98304:yvT22SsaNYfdPBldt6+dBcjH2hRJ6KVG:007jCzVG
Malware Config
Extracted
quasar
1.4.1
andiza
87.205.199.61:4782
1b8fd8bf-0ee0-4184-9181-b62e5103076a
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encryption_key
25A1A6C05C3DAD37A55B8620098E6CF761F8184E
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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 Client-built.exe
Files
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Client-built.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