Behavioral task
behavioral1
Sample
2416-0-0x0000000000400000-0x0000000000724000-memory.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2416-0-0x0000000000400000-0x0000000000724000-memory.exe
Resource
win10v2004-20240226-en
General
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Target
2416-0-0x0000000000400000-0x0000000000724000-memory.dmp
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Size
3.1MB
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MD5
8c33d034af3416cfa6d9490ecf0d928e
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SHA1
6ad2bf62c48b7e5c20e3660e52f5525b3b2ea730
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SHA256
67edadf4f7a30f83a6c7adb4ed4d3cb690b57106e4889565448844558b5d34d3
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SHA512
f4bddb24ea5b82874faa8c36254fbaee0bc271c7b067c90007a7757b36bdadf380a7a80b51432b94c6737489a958c1042e1c64bf915510c751e5c514922246f5
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SSDEEP
49152:uvWI22SsaNYfdPBldt698dBcjHNW4vpBxq0oGdQ1THHB72eh2NT:uv722SsaNYfdPBldt6+dBcjHNBvR
Malware Config
Extracted
quasar
1.4.1
Office04
217.196.96.37:5678
561ba2d7-836d-4eba-8688-03a4852a44b9
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encryption_key
B97A933CE9789DFB0A082900F0B084F3B8D36164
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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 2416-0-0x0000000000400000-0x0000000000724000-memory.dmp
Files
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2416-0-0x0000000000400000-0x0000000000724000-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