General
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Target
ia.exe
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Size
3.1MB
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MD5
5828b4f3710d309100812b3f698a34c2
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SHA1
64c5979a98bc2855bdc440d9fc669d5f63cfaa9f
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SHA256
19a7fd629bf8badfd4703785c8af9fbb3396689a47d2375274c1fae6629ee24b
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SHA512
2888bd591344bf43cb03edc7c70e8a6a9200c17f97df0ea3bb0883a5b0aa62b4464d736e659f7b23a4303b3376e36c302882ff85054982649be9a1ccbca50127
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SSDEEP
49152:Pv9t62XlaSFNWPjljiFa2RoUYIWgloUBxZ/oGdQeTHHB72eh2NT:Pv/62XlaSFNWPjljiFXRoUYI/ou
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.184:4782
63d17811-7d89-4513-a09e-567135741dc7
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encryption_key
F3BEC07E3E649D50CEE84302EC0FDD43A47F4E75
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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
ia
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subdirectory
ia
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 ia.exe
Files
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ia.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