Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20230712-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
907ca52b15656a82fd898fe51d04819e
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SHA1
48d9b17eb72485c199144d1f6d1f26d097e2b4a3
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SHA256
7e36b10f970f0c74fb05f9b8f6d665a583767a4edd33335b7eebf20e8e47662b
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SHA512
9ed683185ef7f07e99560a54b192ba678b3cd5227e5c08d30884268a1565bf2e0ff23ace6cd23e024f89e0a2f423ba40315736c240b31fe1edd0b7d2a4a05939
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SSDEEP
98304:CWV5SgjlbwPdRl5fGO4ZL0luiel9uRJk3HZ2b/aryTnrfvnM3A2Ozv+w:dTQzP
Malware Config
Extracted
quasar
1.4.1
ZJEB
VIPEEK1990-25013.portmap.host:25013
6dc31622-d956-4edc-9f26-f6a6259e5cf0
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encryption_key
3EBA8BC34FA983893A9B07B831E7CEB183F7492D
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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
Windows Security Service
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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 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