Behavioral task
behavioral1
Sample
Vyper.exe
Resource
win7-20240903-en
General
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Target
Vyper.exe
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Size
3.1MB
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MD5
bc8ff64cac1ae0bc4f1ae65075f6c26a
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SHA1
11ce47e3f7a25add1ed9fd54ce25878106b82db9
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SHA256
55c022e23bde36f465a1ac4e0c0558f4f6118a2df180c08ecd1afc1529d4c15f
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SHA512
270b3b94fbfc734740907c303a2d4a4f0cf30d23d9e7a76c9535c80a92d427e20061c48e8eabfe523405058c75e79b9d10561e855fa06f0c02fef938641f17bd
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SSDEEP
49152:eveI22SsaNYfdPBldt698dBcjHkfNlmGmzgsoGd2THHB72eh2NT:evT22SsaNYfdPBldt6+dBcjH8lmh
Malware Config
Extracted
quasar
1.4.1
Office04
411db-59874.portmap.host:1333
8d945983-5644-413f-bb5d-4f7a064e793c
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encryption_key
6382B85CDCFFEEDACE064DDD30D7729DCE176C73
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install_name
Discord Updater.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Discord Updater
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Vyper.exe
Files
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Vyper.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