Behavioral task
behavioral1
Sample
Synapse Loader.exe
Resource
win7-20240903-en
General
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Target
Synapse Loader.zip
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Size
1.0MB
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MD5
ec829c52649f4dd3ba8e1a99ee309dd8
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SHA1
de916eef96b70a91e4ff8d717bda1657086da271
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SHA256
f5625c4c1da453f6fbcce1723fb5e0f96e5bea9e3c05fa30ed5387e2688c4a5c
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SHA512
975e282c08d85cb99b9a3fe47cb9139250cc40ebf7b6452ecba39adc90150b8bff7f8cf111a55e708491a3623d22d9cfe4fb42dccd88282707af9339425912d9
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SSDEEP
24576:lqQlyyXEwlKhgoCY9XjcgO2KpE8qKbsz6d:lqQMoBlKR+L2KpE8qbz+
Malware Config
Extracted
quasar
1.4.1
svhost
vnt-39824.portmap.host:39824
a8e213b3-b8da-419b-8e37-bca8a65bb11c
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encryption_key
20999754454467FF7C9649079A3ADDFF8252D170
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install_name
svhost.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
svhost
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule static1/unpack001/Synapse Loader.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Synapse Loader.exe
Files
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Synapse Loader.zip.rar
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Synapse Loader.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