Behavioral task
behavioral1
Sample
2b705bed48e179518b89fc0e1bb3d6ba20f6775a0a5f39c9237584c66c7fb7a5.exe
Resource
win7-20240903-en
General
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Target
2b705bed48e179518b89fc0e1bb3d6ba20f6775a0a5f39c9237584c66c7fb7a5.exe
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Size
3.1MB
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MD5
a8266637e953feb5248135a3a9374666
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SHA1
3a0773ff3f442e1ba41def732548142d37d823af
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SHA256
2b705bed48e179518b89fc0e1bb3d6ba20f6775a0a5f39c9237584c66c7fb7a5
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SHA512
cf2e24018a043b295e00b18797e6175ea57246207555caca6255893e8dd7458eae88572bc60cd5af364d962199705f9d60bb6b68709309b40e25ed3697e8e01d
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SSDEEP
49152:jvyt62XlaSFNWPjljiFa2RoUYIMcOhyvJo3oGdFTHHB72eh2NTP:jva62XlaSFNWPjljiFXRoUYIWhRc
Malware Config
Extracted
quasar
1.4.1
githubyt
87.228.57.81:4782
cf3988ab-2fd9-4544-a16f-9faa71eb5bac
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encryption_key
19A0FAF8459F69650B5965C225752D425C429EEC
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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
svchoost.exe
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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 2b705bed48e179518b89fc0e1bb3d6ba20f6775a0a5f39c9237584c66c7fb7a5.exe
Files
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2b705bed48e179518b89fc0e1bb3d6ba20f6775a0a5f39c9237584c66c7fb7a5.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