Static task
static1
Behavioral task
behavioral1
Sample
WinZa.exe
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
WinZa.exe
Resource
win7-20230220-en
Behavioral task
behavioral3
Sample
WinZa.exe
Resource
win10v2004-20230220-en
General
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Target
ca32420160b4ba9b029fdc12df95d54c10c2dd7d878265026a461125c6dba745.zip
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Size
479KB
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MD5
7e2ed8f1fb22e4ada8dc99f4367fa55f
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SHA1
4c16bdfb55df1b15b3c6141d37addfea401bdff8
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SHA256
eb8624b833bc637a69122dad6da1276f203455a4326ee05f382e0a41ef08409e
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SHA512
8ccd61cfac5c48736b83a090f3d86e5a576f748d7bef4c4d4c8fb577d51898c508ad4705ac13ab51ebb7c451fb7419e950608f7d8d14fcacb95cb4acc984f7ab
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SSDEEP
12288:QdZEPl15A6gHWl4ix7CJmKdjBwdMISY7++fSYxd0IcoJwH:QdZEPlvm2nizdjBdISY7++3/NJwH
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack002/WinZa.exe
Files
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ca32420160b4ba9b029fdc12df95d54c10c2dd7d878265026a461125c6dba745.zip.zip
Password: infected
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ca32420160b4ba9b029fdc12df95d54c10c2dd7d878265026a461125c6dba745.zip
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WinZa.exe.exe windows x64
Password: infected
f0ea7b7844bbc5bfa9bb32efdcea957c
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
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 403KB - Virtual size: 402KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 459KB - Virtual size: 458KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 97KB - Virtual size: 446KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ