Behavioral task
behavioral1
Sample
FMk.exe
Resource
win7-20240220-en
General
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Target
FMk.exe
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Size
318KB
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MD5
a1b0e83d06940e4a4b52251bf6beecab
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SHA1
65e1bb5e73662f4c30007edce1178f5a019c7374
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SHA256
0f2a86a9be93eb82f1ca1df755cf74b109eca66d14c0cb4e0a377ffb3bed0e09
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SHA512
31f2ba8b4153b5e8ec74c1ed23c27163a7ffdc0de0bd1bd49acc745844364a1a15c3f6c0581a8111913b7ee3da3042e007c36c382e746785278027d0d4d629c4
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SSDEEP
6144:yMC8N1bpgZ+GIIIIIIIhIIIIIIIIIIIIIIIU:tZqS
Malware Config
Extracted
xworm
0.tcp.ngrok.io:12174
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install_file
USB.exe
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 FMk.exe
Files
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FMk.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: 52KB - Virtual size: 51KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 265KB - Virtual size: 265KB
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