General
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Target
Client-built.exe
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Size
3.1MB
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MD5
56bcee0e020cd6b2722441019e94a3c1
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SHA1
f3f7db5152a241e575bf18018d08c2ca75219650
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SHA256
5dc04f49cc08036074442e70c96c22fe5fd2f2f0c5d1a051d4cb0a523ca5a8ef
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SHA512
d29444d96f74c3584164cb147f83b1957cd9f4412399665df74ae7bbddaba799318f73e5aad120c91ecb64a6d202dd8ff7eff620539626095da5e32b28e4f877
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SSDEEP
49152:PvulL26AaNeWgPhlmVqvMQ7XSKTTRJ6bbR3LoGdW4THHB72eh2NT:PveL26AaNeWgPhlmVqkQ7XSKTTRJ6t
Malware Config
Extracted
quasar
1.4.1
Office04
paris-pixels.gl.at.ply.gg:14754
bdf966fd-92ab-4536-9c2b-6e6c94f99130
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encryption_key
95DD5E4EAA3DC0591E2F7A87C78A608435400057
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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
some Client Startup
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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 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: 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