Behavioral task
behavioral1
Sample
CollosalLoader.exe
Resource
win7-20240903-en
General
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Target
CollosalLoader.exe
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Size
3.4MB
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MD5
8c38855e8217b6e6ba9726e9eb2e6dbc
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SHA1
dd39141900c816d4afe09492076dd32f7a66053d
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SHA256
7d74f4b82a1de0e876f2db74e9c0e306845c43b91282a8131999813b1704e8db
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SHA512
2017b7baee3bca4462fe8f54de139c577342a4e615808ab37e486662b52d5a7062203dc99648cdfa9fa7fca004e4d557ca0c7971069c11a28bfe430042513784
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SSDEEP
49152:XvDlL26AaNeWgPhlmVqvMQ7XSK0Nmf4ar27oGd9FeTHHB72eh2NT:Xv5L26AaNeWgPhlmVqkQ7XSKSmfA
Malware Config
Extracted
quasar
1.4.1
CLSLMW3
Fluxii-52940.portmap.host:52940
94dacbda-c52c-4bca-bb33-6083baee5fc3
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encryption_key
FB0CEB9B14FB83E904EF6654FB1D7D8D8D43358F
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install_name
CollosalLoader.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Win32
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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 CollosalLoader.exe
Files
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CollosalLoader.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: 267KB - Virtual size: 266KB
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