Behavioral task
behavioral1
Sample
532-78-0x0000000000400000-0x0000000000724000-memory.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
532-78-0x0000000000400000-0x0000000000724000-memory.exe
Resource
win10v2004-20240226-en
General
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Target
532-78-0x0000000000400000-0x0000000000724000-memory.dmp
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Size
3.1MB
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MD5
03c7b376ad3754420309c42f8b84cf7c
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SHA1
26289533f656afb9aa4a78fa6bbb61e714fbdd51
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SHA256
6d0c093c77e6f3f5a1a7ddd90c2472f02bf62558596fd29775cfef786cc17d9b
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SHA512
546d2a2790ef34da9bf67abe42040830f05b26eea3e022b177406a8291365ad2711d84352f216284bda56e305ba35f4e524dc5b4a92fcfa30b73c5ee0546f6a8
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SSDEEP
49152:uvGlL26AaNeWgPhlmVqvMQ7XSKMwG/oGHEy/THHB72eh2NT:uvGL26AaNeWgPhlmVqkQ7XSKMw2
Malware Config
Extracted
quasar
1.4.1
Office04
microsoftbackup.duckdns.org:47600
b97303a2-a8f5-4170-91c1-56adceee5081
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encryption_key
A31E078A7CC45D3676D5AE3FB460C3E365219397
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install_name
Client.exe
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log_directory
Log
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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 532-78-0x0000000000400000-0x0000000000724000-memory.dmp
Files
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532-78-0x0000000000400000-0x0000000000724000-memory.dmp.exe windows:4 windows x86 arch:x86
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
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