Behavioral task
behavioral1
Sample
SynapseXLauncher.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
SynapseXLauncher.exe
Resource
win10v2004-20240426-en
General
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Target
SynapseXLauncher.exe
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Size
3.1MB
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MD5
1a1fda92143e414b4d4153ab05dd1ce8
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SHA1
33ac2b2d228a1ec93b0ea70ffadb436933b9a1e5
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SHA256
f0160a1f7a39862e14063ac468957559656405f51d97ad56dc7cff9ad34da9f1
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SHA512
70a9a6948f98f3bdc2c7b461634098347bdf683dec36fa92bd1ac652f72daf7fa01f842cbb8331f26c9c5f76907604f75f7c45b746bcfe8f395b3864f998f391
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SSDEEP
49152:VvnI22SsaNYfdPBldt698dBcjHOaRJ6HbR3LoGddPkTHHB72eh2NT:VvI22SsaNYfdPBldt6+dBcjHOaRJ6Zd
Malware Config
Extracted
quasar
1.4.1
Windows Update
skbidiooiilet-31205.portmap.host:31205
7357b58d-e5d4-42be-8b74-db6eee6cde6d
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encryption_key
6F721445F7E0B1CF58980D84A9D49F4458D4EFD9
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install_name
Update.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
WindowsUpdate
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subdirectory
Windows Update
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 SynapseXLauncher.exe
Files
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SynapseXLauncher.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: 6KB - Virtual size: 6KB
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