Behavioral task
behavioral1
Sample
discordupdate.exe
Resource
win7-20240903-en
General
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Target
discordupdate.exe
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Size
3.1MB
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MD5
25befffc195ce47401f74afbe942f3ff
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SHA1
287aacd0350f05308e08c6b4b8b88baf56f56160
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SHA256
b67121c19394013d4e3fec0fcb138471e5ee51ebfafb296cc597afc0d256799f
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SHA512
a28796538d64edaf7d4ba4d19e705211c779230a58b462793dab86ed5f51408feab998cf78ffe808819b4dc27cbaa981cd107887e0d5c7b0fb0f2bbca630973e
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SSDEEP
49152:rv+I22SsaNYfdPBldt698dBcjH0gR04RoGdNdTHHB72eh2NT:rvz22SsaNYfdPBldt6+dBcjH0gR0k
Malware Config
Extracted
quasar
1.4.1
bot
wexos47815-61484.portmap.host:61484
06e2bb33-968c-4ca7-97dc-f23fbd5c3092
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encryption_key
8924CB3C9515DA437A37F5AE598376261E5528FC
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install_name
msinfo32.exe
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log_directory
Update
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reconnect_delay
3000
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startup_key
Discordupdate
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subdirectory
dll32
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 discordupdate.exe
Files
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discordupdate.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