Behavioral task
behavioral1
Sample
NEAS.c99d3a7be344d1c675b3ecaa5a1c3640.exe
Resource
win7-20231023-en
General
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Target
NEAS.c99d3a7be344d1c675b3ecaa5a1c3640.exe
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Size
3.1MB
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MD5
c99d3a7be344d1c675b3ecaa5a1c3640
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SHA1
9c816ceb1b471a7b211ceae3d636d5a6b3ea0347
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SHA256
058c7f18b24e23798a96ee1e47ee88a44df0d7f0ab2f6170b1b5c8bafa6dd2e3
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SHA512
aaaad515602a65a9ebdbf407c37c1368733a297472d27b37eba1ff8638960714099d6e51c6197febbf8e4813c50625d5b017f3a75f642c670c7955fdbdd9cf32
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SSDEEP
49152:GvHI22SsaNYfdPBldt698dBcjHyMGk19h8vJpLoGdiTHHB72eh2NT:Gvo22SsaNYfdPBldt6+dBcjHBhc
Malware Config
Extracted
quasar
1.4.1
Dulli01
178.254.32.61:4782
b18e70cd-5fa5-4f74-be26-fab3eb57c0da
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encryption_key
84CA06498F6AF399317A7041BCDA32BCEEF6A046
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install_name
updater.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
TeamsUpdate.exe
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subdirectory
ChromeUpdateAgent
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.c99d3a7be344d1c675b3ecaa5a1c3640.exe
Files
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NEAS.c99d3a7be344d1c675b3ecaa5a1c3640.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