General
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Target
ZenLg.exe
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Size
3.1MB
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MD5
0fd3528524db85f882ae9fd20eb235f1
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SHA1
3fdf6877acecbce98577da2a0166bff33a41c468
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SHA256
15cd752dda3e2d90d7dcff00f25fd979ba61fda28b69dc318670cf139e7b4983
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SHA512
a1aca9822284a2484c80e0c5367ca99e854f89772ed3bfeb46e46e1d0662718055e645ebdcf8780306205ce53cc60edb06fd5682830c39ef7080cf6b76f072b0
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SSDEEP
49152:uvfI22SsaNYfdPBldt698dBcjHlj8YhZ1vRLo2d2THHB72eh2NT:uvw22SsaNYfdPBldt6+dBcjHlj8YhV
Malware Config
Extracted
quasar
1.4.1
eeeeeeeee
192.168.4.125:4782
1cfea801-c253-4326-a0bf-d77f2e0842d8
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encryption_key
07F6BA1FF60EF8D09B533C1AEC06D037B96FEFA1
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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 ZenLg.exe
Files
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ZenLg.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