General
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Target
Licencia XHXX.exe
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Size
3.1MB
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MD5
16656861d60be66d91ef29c455276669
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SHA1
8d21d8e02398f67be2abd30d6162b9c990c9da44
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SHA256
5e66f2e25b980485b49cbaaccf16eb6b39495e356eea2d4a9e51c3a81ca15f4b
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SHA512
0bd5138730a6cc7fbc56271d9364ef3104c24b5442b7549b59b3ea662e918897ab79e510eb764315c0cec7e576250391ae43cc9754c6199bcef379ddb60a389a
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SSDEEP
49152:6vSI22SsaNYfdPBldt698dBcjHr6+n8yhLoGdb8+THHB72eh2NT:6v/22SsaNYfdPBldt6+dBcjHr6+Lr8
Malware Config
Extracted
quasar
1.4.1
Office04
azxq0ap.localto.net:3425
e51e2b65-e963-4051-9736-67d57ed46798
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encryption_key
AEA258EF65BF1786F0F767C0BE2497ECC304C46F
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install_name
WindowsUpdate.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
WindowsUpdate
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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 Licencia XHXX.exe
Files
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Licencia XHXX.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: 14KB - Virtual size: 13KB
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