Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240611-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
226b540e5aaf2e7dc4b1efee234056f4
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SHA1
a9da0d3241ee87620bc597a4ecc9d57d6e07b3f3
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SHA256
117bac141e14b9a707658a6d19f41a2a433eae97204b96f694360ef208c316c5
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SHA512
0b2b97f8273a25c907b205c33ae68a1a120742f103939ec34e7570c1ec8bda47efc58a353f34222f9640e4c7c2fb678066dc50730a20003d5048fd787926c76c
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SSDEEP
49152:VsOV92Tra60tFP+lRmdpuEobaHVdA71J3noGd3tfTHHB72eh2NT:Vs+92Tra60tFP+lRmdcEobaHVdAj
Malware Config
Extracted
quasar
1.4.1
WormBurry
147.185.221.20:18563
e454dd1d-96cf-4940-9da9-a8513930c74c
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encryption_key
35D8C5468D502FD31B9068FF929210AF2F2ADC40
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install_name
GithubStart.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Github.git
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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