General
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Target
FiveMLoader.exe
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Size
3.3MB
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MD5
82b14cd1e11e29598a916c1b1629dfb0
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SHA1
7eb670d32bfb23e894a29855fe0a3af0eb7b0128
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SHA256
72f47823960b67a9fa387b26bfd4f4ab15d3580761d9b085fba7d87a8a57eb00
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SHA512
bf1239e3c84fdddf5740bd44150c83c243b77454048c59b7016f02644bfc9e60a692599d8352e9733342c7b00614e58a2f49b608935c870dd6c5b0bc109457bf
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SSDEEP
49152:Ivkt62XlaSFNWPjljiFa2RoUYIgjeEErH2k/uVfoGdiTHHB72eh2NT:Iv462XlaSFNWPjljiFXRoUYIgjegV
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.117:4782
aed85f86-48ab-42a4-b993-ef0b15015fa9
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encryption_key
562EA3A3C512FD005246DCFBAFC590CAB953B6DB
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install_name
FiveMX.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
FiveMX Loader
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subdirectory
FiveMX
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 FiveMLoader.exe
Files
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FiveMLoader.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: 180KB - Virtual size: 179KB
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