General
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Target
solar.exe
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Size
3.1MB
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MD5
ca558fea52e3ca7a1b61e0f69ac268b2
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SHA1
2445d78506e19c17c99eca0744719c409c1e2c04
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SHA256
a3773025a4ff7ba7e2ea475c8e5b2c74bd60f963ad9e27ae7ca0123fbb235976
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SHA512
7d3e5cab72a6e7da4d2cc7fca940d58d0c0c82e1a3ee5dfce38317eb6eb6446bac82ed66bfc96c84e1c7917f1a00c1635640daa42ce09fa3ab27c5f213d73396
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SSDEEP
49152:DvrI22SsaNYfdPBldt698dBcjHDsqxbR4LoGdYWTHHB72eh2NT:DvU22SsaNYfdPBldt6+dBcjHDsqe
Malware Config
Extracted
quasar
1.4.1
quasar
cr7stakewin-27924.portmap.host:27924
b16a5a4a-0575-4e0e-8ddd-77ced9920af6
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encryption_key
72EAB2364235F953EB6EBC4967F5FAA96FD1EEE1
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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
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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 solar.exe
Files
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solar.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