Behavioral task
behavioral1
Sample
fc4b4bf760db7190dda618d474535110N.exe
Resource
win7-20240903-en
General
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Target
fc4b4bf760db7190dda618d474535110N
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Size
3.1MB
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MD5
fc4b4bf760db7190dda618d474535110
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SHA1
cb63100fd426f00062fd28d9fd5c7ed93bc6300d
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SHA256
6464d56018ff77cb963ad39ec30242dae31ec8f3c031932fabee5db56e4c875e
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SHA512
5ff4a5163205d5a605dc73874bd438a3246b1cba5f6bb3ce09691562266ec854fca936b8fdadb551be0fab514ebd987c400aaa4f52427620d8b5b2a9d47f2e8c
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SSDEEP
49152:jvOlL26AaNeWgPhlmVqvMQ7XSKwmRJ60bR3LoGd8nTHHB72eh2NT:jv+L26AaNeWgPhlmVqkQ7XSKwmRJ6+M
Malware Config
Extracted
quasar
1.4.1
Office04
andrei2234231-23100.portmap.host:23100
0ea0179b-0570-4ac9-87b6-31157f828b7f
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encryption_key
2ACAE8321CEC28A2EA43A5D91A6F70AA38BA3BB6
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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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 fc4b4bf760db7190dda618d474535110N
Files
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fc4b4bf760db7190dda618d474535110N.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