General
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Target
Client-built.exe
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Size
3.1MB
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MD5
7e5094dbfce8b71e8814df7a5ededc84
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SHA1
9ac3e5cf625c358dd6baaaa61b6b76ba34c2e1ee
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SHA256
318390544fc2de709b38adaee1739346b499c661bb9b3459b483d6cca0727f10
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SHA512
2232a853eabaaf79d7cacd9bac6fc03b186be9eb9009a86cafc776f3661b75822c6f5e8daf05ef019639ee0d31a8881fce7967d1d564a106a5b08b587d9c2a30
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SSDEEP
49152:ivkt62XlaSFNWPjljiFa2RoUYIgRxNESEBk/ivLoGdYPTHHB72eh2NT:iv462XlaSFNWPjljiFXRoUYImxIz
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.6:4782
052bf88a-973b-4098-96b2-b3098734aab4
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encryption_key
C82052C6AA81D4430841915516E777F1172AA1B4
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install_name
incognito.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
JavaUpdater
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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 Client-built.exe
Files
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Client-built.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