General
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Target
Mas valores.exe
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Size
3.1MB
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MD5
96e2ea5919379a8b3a4f9356e76db7cf
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SHA1
331e3e6adf0a64d6f3ebf7df02f3f009e0f4031d
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SHA256
075d1d85bd0d343aa52f28b0f479c91248b8ffc72a263288490ffb76b1c8ccbe
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SHA512
d02e8e126505f8c84fe164c1c71d1a2be76d97faf87de1210b5935c893af847ced72c8147e0c0c5ff1cff0e26d27ad970a8c0e91abf2a08ffb5e177cb1832197
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SSDEEP
49152:zv+lL26AaNeWgPhlmVqvMQ7XSKVsRJ6zbR3LoGdxTTHHB72eh2NT:zvuL26AaNeWgPhlmVqkQ7XSKVsRJ6l
Malware Config
Extracted
quasar
1.4.1
Office04
Inversin-33856.portmap.host:33856
addad9d5-e576-410c-a7ed-6fb91e2950f5
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encryption_key
AEA258EF65BF1786F0F767C0BE2497ECC304C46F
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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 Mas valores.exe
Files
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Mas valores.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