General
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Target
555.exe
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Size
3.1MB
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MD5
3e1d979f173b73c3430947c322c9551c
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SHA1
3139faec9df3c94194f74390998dbf23b1dc65be
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SHA256
5c913c277baa91638c4e993687eff82ed5a80bfe9ef754d6c44e751f97635b0a
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SHA512
78b658ed052fb7c95c113b33cf5ee50db5797f5d68fff29357c3399109bd75e09f4972dde9ac716df3f160d00197fea454bcd11f9b9de29e915816f6f3f0973e
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SSDEEP
98304:lZa0z9tXPzRK5RGC42L7lFiZl0umJM3oZRbsaVyJC7q8pYaaqJrv3uw67:jz8rWw6
Malware Config
Extracted
quasar
1.0
Office
7.tcp.eu.ngrok.io:11273
c7efe0c8-2c80-4a60-bd76-07104a90d3fb
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encryption_key
6E6C2C58B04AF8C01A31C4104A3160733AE5FDC2
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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
233
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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 555.exe
Files
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555.exe.exe windows 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