Behavioral task
behavioral1
Sample
82AB58A9D1AF41EB4EA63F2417366CC9.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
82AB58A9D1AF41EB4EA63F2417366CC9.exe
Resource
win10v2004-20241007-en
General
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Target
82AB58A9D1AF41EB4EA63F2417366CC9.exe
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Size
3.1MB
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MD5
82ab58a9d1af41eb4ea63f2417366cc9
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SHA1
dab04289bc735e8dcd4ca248681f095803a3d87e
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SHA256
92a61acb5fd10680e88164bc308dc8c64195245c443a7ecc862e77bb2f21586b
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SHA512
e2ee7c47fc17c1f06dae659baf4ef2188d6abe7cb37c43002c2c68d2d624d7ba125859fa243eff854a20eecade3b914a7f6f3cc93d5e460b3ff9248659de07ee
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SSDEEP
49152:WvfI22SsaNYfdPBldt698dBcjH/NRJ6IbR3LoGdWzTHHB72eh2NT:Wvw22SsaNYfdPBldt6+dBcjH/NRJ6i
Malware Config
Extracted
quasar
1.4.1
Firewall v01
73.63.222.152:4782
43c70f00-365b-49e7-8892-e9b0651b1384
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encryption_key
1F4C9888D5F5A2516EAA3692591870162B9295E5
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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 82AB58A9D1AF41EB4EA63F2417366CC9.exe
Files
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82AB58A9D1AF41EB4EA63F2417366CC9.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