Behavioral task
behavioral1
Sample
5c76b09c0f287820cc34b5f06a8fd627bface66474241daa4b5d86273cf3102d.exe
Resource
win7-20240903-en
General
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Target
5c76b09c0f287820cc34b5f06a8fd627bface66474241daa4b5d86273cf3102d
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Size
347KB
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MD5
cef03024e5b35b5197c1337596109958
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SHA1
6ca77f693ccc8c283c4de40fb94b62b06538437d
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SHA256
5c76b09c0f287820cc34b5f06a8fd627bface66474241daa4b5d86273cf3102d
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SHA512
b683f194c7fd437596a263327e147c98f94e3898d20fcbf9a36dafbc7817ba77ad562c6fe6400f3c49756257cf1ee6518c6443ae2eef30b9cd0665b6b45286e9
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SSDEEP
6144:mOL+PQIshf+PME+WoWmbeAR4gt4wG3eCoDs:FisPEfF0ft4wG3eZDs
Malware Config
Extracted
quasar
1.3.0.0
drss
crissnda5.ddns.net:2024
QSR_MUTEX_6VCXMuKq5sglsUPNYu
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encryption_key
UiCvCUXD3LuQR6fFckYE
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install_name
Update service.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
service update
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subdirectory
microsofte
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 5c76b09c0f287820cc34b5f06a8fd627bface66474241daa4b5d86273cf3102d
Files
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5c76b09c0f287820cc34b5f06a8fd627bface66474241daa4b5d86273cf3102d.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: 344KB - 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