Behavioral task
behavioral1
Sample
2660-10-0x0000000000400000-0x0000000000484000-memory.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2660-10-0x0000000000400000-0x0000000000484000-memory.exe
Resource
win10v2004-20230915-en
General
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Target
2660-10-0x0000000000400000-0x0000000000484000-memory.dmp
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Size
528KB
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MD5
69fcdc84e6d39b9717c42cb74434b7b7
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SHA1
a7b2ddfb06ff10fa9c60654914b4177bb4c438db
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SHA256
5ef5f58662416b1bff0b3c39bbca049624bdc65e367c87afe746d83e77b8191e
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SHA512
1b9f20589c11eec796580760ae77a5736d7348e8dfdc830210defc60fa77d08992582048e9f26e595a08b15dd4da18d779b486e621bd3aab0cce4e1147822be7
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SSDEEP
6144:ATEgdc0Y6ebGbXOsA6j1Rdh4XKg3uPLyURNVmRfVNcEgjb8F9d2wJhgRRHyRcTR3:ATEgdfYQA60K3BMR3QY/20UHyRcd
Malware Config
Extracted
quasar
1.4.0
MIX21
pettbull.ddns.net:4782
69383ffd-4823-44c2-b21f-a105f85ed9a0
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encryption_key
DAE9E02E5E04D59D9AF2AA1D5E82248D5919AC6A
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install_name
Windows Service.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Microsoft Windows
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subdirectory
Windows Update
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 2660-10-0x0000000000400000-0x0000000000484000-memory.dmp
Files
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2660-10-0x0000000000400000-0x0000000000484000-memory.dmp.exe windows:4 windows 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: 498KB - Virtual size: 497KB
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