Behavioral task
behavioral1
Sample
9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.exe
Resource
win7-20240903-en
General
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Target
9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.exe
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Size
3.1MB
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MD5
6b6cd0ace200ae15a3c40568bd516739
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SHA1
c17c2dae1f9d4a3268f51ba9acf2095171408621
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SHA256
9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271
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SHA512
4330446f193832bc3cdba0461df477ed7b27af44cce83daa7bf4c46afacee37b8e5ce7191573b23604efbeef66b2ed763adc156303e3e3927e1fc315ba22b1cd
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SSDEEP
49152:zvTlL26AaNeWgPhlmVqvMQ7XSKBqzRJ69bR3LoGdcsMTHHB72eh2NT:zvJL26AaNeWgPhlmVqkQ7XSKBqzRJ6P
Malware Config
Extracted
quasar
1.4.1
Office04
100.108.37.105:4444
127.0.0.1:4444
95a85978-c10d-4a09-935b-c02a2a18a609
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encryption_key
6FDAA03D192B9C03BF83E41A8BBF78996D321E27
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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 9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.exe
Files
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9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.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