Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20220812-en
General
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Target
tmp
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Size
2.8MB
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MD5
9d56d156c32dcd12067d8618275a033f
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SHA1
f83825d39a358b6d594eef32f8c0cdc9db47fae9
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SHA256
531d84e9e1fc539dfc5c65511008d4c7fc4f93b8469f655829ac7d6ae8faa70f
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SHA512
3b940752128c201e411805a2e149533e293d98674ecfcf7fe50507f6fb4f83e36cb0f2e7f1ff238139a9e5d261f77a8e79a9aef7c81878223f90cd8268e1eca2
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SSDEEP
49152:dDr5rsFM1kNNnAQ7rQeWU8B31o9o2s8Ufsza32ehyfTYBDm:dDFsFM1kNNA6ke/8lW9o26Ba
Malware Config
Extracted
quasar
1.4.0
RR
vpnnid.hopto.org:4783
0a9b2eca-732e-4379-8b97-28c68a1d3204
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encryption_key
C390E62881F25347C39CDE51024A9C687D49675F
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install_name
svshost.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Microsoft Update
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subdirectory
Intel
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar
Files
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tmp.exe windows 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: 2.8MB - Virtual size: 2.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 4KB - Virtual size: 4KB
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