Behavioral task
behavioral1
Sample
2300-13-0x0000000000400000-0x0000000000724000-memory.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
2300-13-0x0000000000400000-0x0000000000724000-memory.exe
Resource
win10v2004-20231201-en
General
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Target
2300-13-0x0000000000400000-0x0000000000724000-memory.dmp
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Size
3.1MB
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MD5
36076388ce8d81ab9296887624a70055
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SHA1
c9e25e3a9e719aed8f9d6f9cddfcae590e5ed885
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SHA256
b9072b8af4e75ff702b7aee14a06fd604061e93c16f7169b5c9426a94d7774be
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SHA512
02e27079511a50f15937c10b5756e627de93f7907d387190ee5d3cc8e168101e5415e682ed33a377a38268bb539d44e87384963f09e5d01b5d9acf23b5670ea9
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SSDEEP
98304:Pvk22SsaNYfdPBldt6+dBcjHu6RJ6yhJ:nJ7jhr
Malware Config
Extracted
quasar
1.4.1
Office04
y20.ddns.net:5552
081f9344-bbf0-4c0d-832c-1597fc2c5291
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encryption_key
51E85A39CEAF3ACB23D073483E360B1A632697B4
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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 2300-13-0x0000000000400000-0x0000000000724000-memory.dmp
Files
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2300-13-0x0000000000400000-0x0000000000724000-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