Behavioral task
behavioral1
Sample
23b76b7d4d2a69ad506e6eb5b197270d_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
23b76b7d4d2a69ad506e6eb5b197270d_JC.exe
Resource
win10v2004-20230915-en
General
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Target
23b76b7d4d2a69ad506e6eb5b197270d_JC.exe
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Size
5.9MB
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MD5
23b76b7d4d2a69ad506e6eb5b197270d
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SHA1
d3461b0806d94fb0fc45165876f157b2c4d3219a
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SHA256
e8e02ff390bb1889aa352b9e5239845292dd2fac2a274b32bf77c62d25a96a7b
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SHA512
fb23ffc105f1204928ac33c9e19d93395c5c37d36e4d7bf1c7aff354691e586aca3cab6a95af6f759a9550eac814028ada9576b7c32996a96e6aaa228a8d471b
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SSDEEP
98304:9uLgywiNHBeSLxYK/bxE3q/BlZkWMGPQflVJ/EK1sLyzs2T2Q1mOjq4B4:87wqheSVYK/bua/BlWWnuVhsus8nm+qT
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 23b76b7d4d2a69ad506e6eb5b197270d_JC.exe
Files
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23b76b7d4d2a69ad506e6eb5b197270d_JC.exe.exe windows:4 windows x86
9973fdd4b86d866b3faa39fa66cf7e0a
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Imports
kernel32
WriteFile
ReadFile
GetWindowsDirectoryA
GetLastError
FindNextFileA
FindFirstFileA
FindClose
FileTimeToLocalFileTime
FileTimeToDosDateTime
ExitProcess
DeleteFileA
CreateMutexA
CreateFileA
CopyFileA
CloseHandle
GetCurrentThreadId
GetLastError
ExitProcess
WriteFile
UnhandledExceptionFilter
SetFilePointer
SetEndOfFile
RtlUnwind
ReadFile
RaiseException
GetStdHandle
GetFileSize
GetFileType
CreateFileA
CloseHandle
GetCommandLineA
TlsSetValue
TlsGetValue
LocalAlloc
GetModuleHandleA
GetModuleFileNameA
FreeLibrary
HeapFree
HeapReAlloc
HeapAlloc
GetProcessHeap
advapi32
RegSetValueExA
RegQueryValueExA
RegOpenKeyExA
RegFlushKey
RegCreateKeyExA
RegCloseKey
user32
CharNextA
Sections
UPX0 Size: 40KB - Virtual size: 40KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 72KB - Virtual size: 72KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE