General
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Target
McMoule.exe
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Size
3.1MB
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MD5
b68449a1a51b159035f48ea3034964e0
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SHA1
eaa568400c2b8936815d95914329907492a91169
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SHA256
a9f6b7b95c4c09e3ef7fa35cfd86c33e8938d0829e0e553449e7a38dd103820c
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SHA512
54c118a301ef08f13350a9acf2724aa4d1e560af4a517f9cc8601933c5413164e3a23804fa0c4cf93d7874fed7858b9cdceabba4855428c6cc133f176e6e1ccd
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SSDEEP
49152:hvnI22SsaNYfdPBldt698dBcjHUAxNESEFk/ifLoGdVOlTHHB72eh2NT:hvI22SsaNYfdPBldt6+dBcjH/xcj
Malware Config
Extracted
quasar
1.4.1
Valouzz
192.168.1.34:4782
eb21c27a-76a8-4d9b-bf47-98f413c746f5
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encryption_key
4B5EEB0652E6BEA43CC995383C7934AFE315C272
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install_name
reg32.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Updater System
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subdirectory
Windows Updater
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 McMoule.exe
Files
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McMoule.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: 18KB - Virtual size: 17KB
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