Behavioral task
behavioral1
Sample
intelservice.exe
Resource
win7-20231020-en
General
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Target
intelservice.exe
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Size
348KB
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MD5
2f890b7ca2e7b4b24bb534c28e54d7cf
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SHA1
e8d9f966c18f10f1eff01478d41dabacd0300da5
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SHA256
92dde00e5a5426b5a20e9e9e87ea29c66c6ab7cd467cbe9a90bf971f2d21a6a7
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SHA512
666670b52d4113a4909cc27fb38b851c0066a74aa2bfe67bb906a0c1fffedffaf26bd8f4aa0371adea3c9e51917c1de27b3cde2ed05db56aad16f476a955f841
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SSDEEP
6144:60qQ4i1FFiEKDvLJavf52ibVcbVKglEb0ouAYyj9jZV293DIa:rpliTVOf56WBYylc3DIa
Malware Config
Extracted
quasar
1.3.0.0
hackee
20.205.140.63:1024
QSR_MUTEX_5Tlo4RbwyDWBOOlMEb
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encryption_key
zFGtr8G9lnuwN5OHbzbL
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install_name
intelservice.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Intel CPU Service
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subdirectory
intelcpu
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 intelservice.exe
Files
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intelservice.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: 345KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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