Behavioral task
behavioral1
Sample
HEUR-Trojan-Downloader.Win32.Upatre.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
HEUR-Trojan-Downloader.Win32.Upatre.exe
Resource
win10v2004-20240226-en
General
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Target
HEUR-Trojan-Downloader.Win32.Upatre.gen-b299af75bc4d9f0e6e0a4679f065659d9d5fee28d9a9591d09aba7c030a337bb
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Size
148KB
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MD5
8db1aef6d776af39a50e52aefa482d62
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SHA1
e3d69d08f4f6ee510cb8a6e82a0d91c45e4fa9da
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SHA256
b299af75bc4d9f0e6e0a4679f065659d9d5fee28d9a9591d09aba7c030a337bb
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SHA512
010c48e89a8c17027d9c660c78a00934e2bc82466060c5b5cc7726ddee3633192108246eebc300059b678e3814a69d4cc8156adbdf4084b3c8d0016166eed381
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SSDEEP
1536:DwCd+qitb0bt+FTCQ2X9EvHsdXru1x20n2eN6BRi:Dv4b0hJ9EE1ru1x2q2eYRi
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource HEUR-Trojan-Downloader.Win32.Upatre.gen-b299af75bc4d9f0e6e0a4679f065659d9d5fee28d9a9591d09aba7c030a337bb
Files
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HEUR-Trojan-Downloader.Win32.Upatre.gen-b299af75bc4d9f0e6e0a4679f065659d9d5fee28d9a9591d09aba7c030a337bb.exe windows:5 windows x86 arch:x86
83b45e356be38dee9f40ac165206f07f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
RtlUnwind
FreeEnvironmentStringsW
GetModuleFileNameA
GetModuleHandleA
GetProcAddress
GetProcessHeap
HeapAlloc
LoadLibraryA
GetModuleHandleW
HeapFree
GetVersionExA
GetStartupInfoW
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameW
FreeEnvironmentStringsA
MultiByteToWideChar
GetEnvironmentStrings
GetLastError
GetEnvironmentStringsW
GetCommandLineA
GetCommandLineW
SetHandleCount
GetFileType
GetStartupInfoA
DeleteCriticalSection
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
HeapDestroy
HeapCreate
VirtualFree
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
LeaveCriticalSection
EnterCriticalSection
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
InitializeCriticalSection
Sleep
GetCPInfo
GetACP
GetOEMCP
VirtualAlloc
HeapReAlloc
HeapSize
GetLocaleInfoA
WideCharToMultiByte
GetStringTypeA
GetStringTypeW
LCMapStringA
LCMapStringW
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: 28KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 76KB - Virtual size: 76KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE