Behavioral task
behavioral1
Sample
test-cleaned.exe
Resource
win7-20231215-en
General
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Target
test-cleaned.exe
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Size
3.1MB
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MD5
9401d19c683990e8d10a772e1066d791
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SHA1
758b2b1fd219b079fc67dba20463710d3b00875c
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SHA256
0230f7baa604a957c4447614157e7426ca0bf1f49bb1368427259625efabeb0e
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SHA512
2e59a1d70df931f879873fa9b668a01f1d72f5ff0ed602aa4906ef9a01574b77b590aa7e7e0d025fa3cb6cd5c22d5426112b76ee1c76a274c174175bf7367cdc
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SSDEEP
49152:Grzgb6sOIk4exx0s51rK2PHjRCpUYJfKK4aKaWH2Lk2Nu:GrzgGOk4sx0Sfw
Malware Config
Extracted
quasar
1.4.1
Client
127.0.0.1:8385
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encryption_key
111EDBD4A34792D1967E3CDE41576132A7DE2755
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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 test-cleaned.exe
Files
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test-cleaned.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