Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
Client-built.exe
Resource
win10v2004-20240802-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
d2414508c17028241c41aa0907f76979
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SHA1
76c81f98a6cc2ab549025ffb321e89ed31b7ebcb
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SHA256
ae420cb78a370b7da859cc67fa380879b34d4e3706987d72b11bbc93e2da715d
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SHA512
1828723573e5cbf726752f7d8476f87b065ce6141bec83e62a6e3afa8ccd68751c5c3c41acc5bcf0d731da55911879f1e26c1a9dbbab2f369ea8663bdd36db17
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SSDEEP
49152:VHobtR1o2PmNXo7WCr03ru5HGZeAbrYdzTHHB72eh2NT:VHmRvmNXo7WCr0buTa
Malware Config
Extracted
quasar
1.4.1
SkibidiToilet
147.185.221.21:53256
147.185.221.21:8175
399f886c-e6ff-4f4d-8978-f3e0f7d55b52
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encryption_key
9E968F05BD874BA1BE086FD1774A027473823F49
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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
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