Behavioral task
behavioral1
Sample
Client.exe
Resource
win7-20231215-en
General
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Target
Client.exe
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Size
3.1MB
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MD5
61576dd97f0dc1b3e8375de9f6f56dc8
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SHA1
529a9b6cd5eaafab33aabff56db058cb2e0ad03f
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SHA256
6a8764f48723b273ce89f68cd92e5346cd72c8fb859d409b2907837c70c52d01
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SHA512
e312ae17b4d9c1ae46604b7513e9a4f80d9dcb0afb4d9e497baf186da0e674bb84937e7f26eeb0b0355c5b36a6c405f2da202e51579b98535ca43d63ad42de61
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SSDEEP
49152:HvCI22SsaNYfdPBldt698dBcjHtqRJ6gbR3LoGdsTHHB72eh2NT:HvP22SsaNYfdPBldt6+dBcjHtqRJ66
Malware Config
Extracted
quasar
1.4.1
Doede
94.130.171.180:4782
eab839b2-b3c0-4ec7-9ad2-be935750dc33
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encryption_key
EDE44C8C088AF8239D1F2105C345E4BDDCC3DD82
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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 Client.exe
Files
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Client.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