General
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Target
liberium executor.exe
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Size
3.1MB
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MD5
a83c74ddda692ff3e4279ef4d1e1ab6b
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SHA1
f807912389ed16a9d7ac3e3e7b73282658c6ecf0
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SHA256
46136025a4d84640710a3c3ab05588b2ff288c7294ea3d855061b67609839cf6
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SHA512
70b79b90362b50fa52762554161f962535aff171f4cf3147afb960b5aba302cc8d969eb2168f331653b114b4199201be4ef5cd3bb97c67547708e2622e72874b
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SSDEEP
49152:Svdt62XlaSFNWPjljiFa2RoUYIsSDsKdpvVoGdqTHHB72eh2NT:Svf62XlaSFNWPjljiFXRoUYIsCsE
Malware Config
Extracted
quasar
1.4.1
Office04
192.0.0.0.1:4782
92adbb05-a27e-42e8-b9a2-c260d01e742b
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encryption_key
46B4B3697EBEA35C7930856CF4E60FB52D50DE37
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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
executor
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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 liberium executor.exe
Files
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liberium executor.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