Behavioral task
behavioral1
Sample
NEAS.f4907ffbe91c48f5841cc4be17e35300_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.f4907ffbe91c48f5841cc4be17e35300_JC.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.f4907ffbe91c48f5841cc4be17e35300_JC.exe
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Size
370KB
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MD5
f4907ffbe91c48f5841cc4be17e35300
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SHA1
48b7e4d6feef6281505cae4e7695f6eb826e0999
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SHA256
c68235a00ba90b08a8cfd73b737d6bd6c36f839adf9d29f2380bf0d1d09e9754
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SHA512
b32f7c60dfddedac78717f32f6890ce5e59c860924a1930bff7806c5387fb51e7a06cde0739c33d52df05bc74723bb0fc7fb89d39ee290767cab14e6da929821
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SSDEEP
6144:8IWBBJCOxchA0nPiXhX8L8qrYwcjVhdG5jkOKV0w:FWbJCOxchA0nPiXhXHQ5jkv0w
Malware Config
Extracted
cobaltstrike
http://107.174.228.125:4356/jquery-3.3.2.slim.min.js
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user_agent
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Referer: http://code.jquery.com/ Accept-Encoding: gzip, deflate User-Agent: Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource NEAS.f4907ffbe91c48f5841cc4be17e35300_JC.exe
Files
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NEAS.f4907ffbe91c48f5841cc4be17e35300_JC.exe.exe windows:6 windows x64
30a51eadcc8304693835a0c04570544e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
GetLastError
CreateFileW
CloseHandle
SetFilePointerEx
GetFileSizeEx
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
GetCurrentProcess
TerminateProcess
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
EncodePointer
RaiseException
RtlPcToFileHeader
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapSize
HeapValidate
GetSystemInfo
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
GetFileType
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetStringTypeW
GetProcessHeap
HeapFree
HeapReAlloc
HeapQueryInformation
WriteConsoleW
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
advapi32
CryptDeriveKey
CryptDestroyKey
CryptReleaseContext
CryptDestroyHash
CryptHashData
CryptDecrypt
CryptCreateHash
CryptAcquireContextW
ntdll
NtAllocateVirtualMemory
NtCreateThreadEx
NtProtectVirtualMemory
NtWaitForSingleObject
Sections
.text Size: 266KB - Virtual size: 265KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 84KB - Virtual size: 84KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ