Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win7-20240903-en
General
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Target
Bootstrapper.exe
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Size
3.1MB
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MD5
a2986ce26c027866cd7014d2eac00650
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SHA1
eb2f8daa042072e19eecb20f1f88ed38c0bbd901
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SHA256
28caba9b2461231879877a8d8f9138e81144b657ebccfa3fbd57974aec9ef0d9
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SHA512
51794da0b1fc9cc18b93bee836df04ea1299aecae98c260018601261a6f19b84f0b86f746480da872d53e376497160a1556bb5498a52418a44588c6aae72a31c
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SSDEEP
49152:GvFt62XlaSFNWPjljiFa2RoUYIcVeQVxmGduWTHHB72eh2NT:Gv362XlaSFNWPjljiFXRoUYIOeQz
Malware Config
Extracted
quasar
1.4.1
Rat
services-pos.gl.at.ply.gg:1234
d3bc3858-ff4a-4aa8-97ec-67721ddcdeeb
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encryption_key
C8D618C9B5D2F91FFC94B6E9C868ECF80EB774F8
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install_name
Client.exe
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log_directory
ratted client
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reconnect_delay
3000
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startup_key
hello son
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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 Bootstrapper.exe
Files
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Bootstrapper.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