General
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Target
Client-built.exe
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Size
3.2MB
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MD5
284e0833f30177b1f5b2600ef6d2753c
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SHA1
ab0d79ac14db531c1e8608d30c850c7b7b1e3656
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SHA256
1fe995e836f0298728468bd5e6380fe5c9c8a823aa37762305ac7b4b5e110a03
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SHA512
22ca084993478b8ac9955e3824ad0c39da843b40a275905e992d8008bd8d746691b71cf8a6f51f6abe7bfad288b8b40b13f7069b1442118f2250f54db14d4d06
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SSDEEP
49152:GvyI22SsaNYfdPBldt698dBcjH5hRJ6GbR3LoGdV4THHB72eh2NTw:Gvf22SsaNYfdPBldt6+dBcjH5hRJ6AA
Malware Config
Extracted
quasar
1.4.1
Office04
46.125.249.62:4782
a40814bd-3635-4179-9c1b-2eb3cb2a0abd
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encryption_key
3ACA51703839A9056B97F8F1EB01D62FE0EA2155
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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 Client-built.exe
Files
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Client-built.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: 50KB - Virtual size: 50KB
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