General
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Target
yakudza.exe
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Size
70KB
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MD5
bf68e000b5ab48e8aedffa6f03ea60ba
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SHA1
2cfd70f8c977ffe04a5fc099f4b5a8b78851d7c7
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SHA256
6f07487577c737224626752ad4517d328d949caed1d4be7d21c78bc9e1226538
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SHA512
73a3c6e1814c0c55e8b30a66b23c1a6937bc1ba92623c802b86a72bea7b6f3928d28d18bdd113a9a22c1d06e78df61290d8a5e9de6215f616531cbae1947f656
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SSDEEP
1536:oMQw9GaJOV6s/guvtAp4I4bihXdkP6pJzOx05lkX2OY:oMP9G+0BR44bi5dkyJzOx05xOY
Malware Config
Extracted
xworm
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Install_directory
%AppData%
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install_file
svchost.exe
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pastebin_url
https://pastebin.com/raw/FDNiHatp
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule sample family_xworm -
Xworm family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource yakudza.exe
Files
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yakudza.exe.exe windows:4 windows x86 arch:x86
Password: 1
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: 67KB - Virtual size: 67KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
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