General
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Target
XWorm V3.1.exe
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Size
3.1MB
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MD5
502f57810e7e3fd05309a3c719f9e8c7
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SHA1
ca4b209723e813488080996eb9eb539717009f82
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SHA256
d3778fad1d4964685146000758f65936ad8e4748046ba6132487f33252cd8d82
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SHA512
bfece3427f845cd0fd075e491f6917ee68c8d9cedc8944f328f06d3be3372ca5bcf834b7bba661e90b264753e6ee0cb4563180e7be6bf227474a4d62a81301e1
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SSDEEP
49152:WvUt62XlaSFNWPjljiFa2RoUYILCB1JTLoGdxTHHB72eh2NT:WvI62XlaSFNWPjljiFXRoUYILCl
Malware Config
Extracted
quasar
1.4.1
binder
51.195.145.80:1574
23dabb73-5df7-4d68-98b9-f08ea8169310
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encryption_key
CA0B9E8DD25C84665FA932488B883014CB201883
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install_name
dmw.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
dmw
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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 XWorm V3.1.exe
Files
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XWorm V3.1.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