Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20231023-en
General
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Target
tmp
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Size
365KB
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MD5
cf78202c336e074c6a6b6a24d4ffa7f6
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SHA1
2bb0f0df01ebaaff322bd7fa89567bad6afe58c1
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SHA256
7aa071e2184478eb932bd815a0eb393fb5efd7b322e3d333b908a9d7d33a4186
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SHA512
cee91c70ebebf3920da195b9e053fa9222a97540d19f54581c068afa3e3219c0ce189263ccbe757e51b15da5ff869723dcecf464f2cf5201e7321435eecfb5b9
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SSDEEP
6144:90qQ4i1FFiEKARPUQbf2zomGlq6u+3ZwS9r:Wpli4Mg2zFGVu+pwS9r
Malware Config
Extracted
quasar
1.3.0.0
hackee
hacker.548848.xyz:1024
QSR_MUTEX_sbRZ4pp7Rl7S5rtk9v
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encryption_key
pfTF26HguPGkm7OH2YXI
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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 tmp
Files
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tmp.exe windows:4 windows 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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 19KB - Virtual size: 19KB
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