General
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Target
Client-built.exe
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Size
3.1MB
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MD5
7979af405ec3fc618b94083c15a703f2
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SHA1
a1cec10272213425b8b5a2310de229f5962b9674
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SHA256
5cc228520e77d8d98a9737e6ed9e560e7766bee0d3986593e6d78b3f62254ebf
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SHA512
8c66339bc802cba4dbc4caa8a4a310470b2e205a3edd7f8f2dfe10514782b8c3506d5d71618b7684a9e789d316c5da9aaf775fdbb8c1d8433a35f1aff50162ee
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SSDEEP
49152:PvCI22SsaNYfdPBldt698dBcjHwx6EMkYk/JK0oGd8ITHHB72eh2NT:PvP22SsaNYfdPBldt6+dBcjHwxfBM
Malware Config
Extracted
quasar
1.4.1
exe
192.168.4.70:4782
20b94a11-6f09-4a42-b723-e2b3fc07ea20
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encryption_key
85087DC59010C3D9E4749A15AB7F44397E834804
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
1
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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
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