Behavioral task
behavioral1
Sample
NEAS.64ec7d617be24322909dc83a9ac41920.exe
Resource
win7-20231020-en
General
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Target
NEAS.64ec7d617be24322909dc83a9ac41920.exe
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Size
3.1MB
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MD5
64ec7d617be24322909dc83a9ac41920
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SHA1
6dd1ac834cd6a4ca1b08d8e9eb22d77373e6e15f
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SHA256
6a023c6adb24bc8cf345ae5c1386c5f5ce056fa45ca881757f69aa82af32f432
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SHA512
3a63f041282439bb49353722231dd5e56e76792996e60d5eba77615c6dc52aa546920908e47c3aaaee36eda1da02fbc0d38537c87b02f1fbd7e926912fb92785
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SSDEEP
49152:SLwwg2icaSmoNPZlGPBbLb44iiyYNlBGdCTHHB72eh2NT:SLZg2icaSmoNPZlGPBnb44iiyO
Malware Config
Extracted
quasar
1.4.1
atk
43.135.4.224:4789
fef87c13-12f3-46c0-ba2b-aefbddce7c4a
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encryption_key
C5BDBDBB70D83114F765C3365E09EC48D86FB02B
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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
Rem 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 NEAS.64ec7d617be24322909dc83a9ac41920.exe
Files
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NEAS.64ec7d617be24322909dc83a9ac41920.exe.exe windows:4 windows 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