Behavioral task
behavioral1
Sample
Build.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Build.exe
Resource
win10v2004-20231222-en
General
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Target
Build.exe
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Size
3.1MB
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MD5
0ce7316a1ec5e45796363c3473b26150
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SHA1
50592355b4051362e816077c0e1068aa73cfb055
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SHA256
b704b314c5407ef7edd966ac5482e63d960fd2829993039f2cfa9056ec70fc3f
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SHA512
c23c8b477dbc52eced549719afe835f2cc846b1471803ad01f850f3d3a5a3a886b2707d986d0c7f0ecfee5d46b07b0125b441225a06ac2c2f302fe0693b6bc63
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SSDEEP
49152:/vRI22SsaNYfdPBldt698dBcjHS4R16jbR3yoGdpTHHB72eh2NT:/vC22SsaNYfdPBldt6+dBcjHS4R16M
Malware Config
Extracted
quasar
1.4.1
DiscordSlave
72.195.133.104:4782
8c13242e-0f29-456d-a30d-b36e0d420f2b
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encryption_key
BBBBAB0EF880986E6604DE8A016942176B219D36
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install_name
Discord.exe
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log_directory
Temp
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reconnect_delay
10
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startup_key
MicroSoftWeb2View
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subdirectory
Web
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 Build.exe
Files
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Build.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