Static task
static1
Behavioral task
behavioral1
Sample
wermgr.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
wermgr.exe
Resource
win10v2004-20230220-en
General
-
Target
wermgr.exe.7z
-
Size
21KB
-
MD5
ae61f7fbae978889a7e9e123f1066cb7
-
SHA1
5a73c2da5f9c242b22e38e9daf00b6c2d5a6707e
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SHA256
604dd6d73250a1295342116c98a3ce998dc1cd2ed58618f9bfb26f54fd8df1b2
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SHA512
27e19b5f8f210e111647116385dc4fd694b2e583c03d77f43b0fef31b6b57e9e2d8489aeb65ca98ab78225e0f49283f0b4bd1a57bc1648e09902721c87dc031b
-
SSDEEP
384:XXlPOUoJfCuWSiZ+mhgKBJLjBv8KgWY7gGIh4LbpiEaDlgvzSR/ZHMEV5mmwjMg/:XXQUoJyZLhBTjAsybpiBIK5xymwQ25
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/wermgr.exe
Files
-
wermgr.exe.7z.7z
Password: infected
-
wermgr.exe.exe windows x86
Password: infected
a8bd539c20373fa705b5223e2ab332bb
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
msvcrt
_cexit
_exit
_XcptFilter
_ismbblead
exit
_acmdln
wcsncmp
_vsnprintf
_vscwprintf
__getmainargs
_wcsicmp
_wcsnicmp
__CxxFrameHandler3
_initterm
_amsg_exit
__setusermatherr
??2@YAPAXI@Z
??3@YAXPAX@Z
_wtoi64
_wtoi
memset
_vsnwprintf
_onexit
_lock
__dllonexit
_unlock
_controlfp
_except_handler4_common
?terminate@@YAXXZ
__set_app_type
__p__fmode
__p__commode
advapi32
ImpersonateLoggedOnUser
CreateProcessAsUserW
RevertToSelf
RegCloseKey
RegSetValueExW
RegCreateKeyExW
RegDeleteValueW
RegOpenKeyExW
RegQueryValueExW
RegGetValueW
OpenProcessToken
DuplicateToken
AllocateAndInitializeSid
CheckTokenMembership
FreeSid
kernel32
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
UnmapViewOfFile
CloseHandle
CreateProcessW
SetEvent
GetLastError
MapViewOfFile
Wow64RevertWow64FsRedirection
GetSystemDirectoryW
Wow64DisableWow64FsRedirection
IsWow64Process
GlobalFree
GetCommandLineW
HeapSetInformation
GetApplicationRecoveryCallback
DeleteFileW
OpenProcess
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
OutputDebugStringA
OpenFileMappingW
ClosePrivateNamespace
GetProcessHeap
ExpandEnvironmentStringsW
lstrlenW
GetCurrentProcessId
GetCurrentThreadId
GetTickCount
QueryPerformanceCounter
GetModuleHandleA
SetUnhandledExceptionFilter
GetStartupInfoA
InterlockedCompareExchange
Sleep
InterlockedExchange
CreateFileW
GetFileAttributesW
ReadProcessMemory
HeapAlloc
OpenMutexW
CreateFileMappingW
HeapFree
OpenPrivateNamespaceW
ntdll
EtwTraceMessage
EtwGetTraceEnableFlags
EtwGetTraceEnableLevel
EtwGetTraceLoggerHandle
EtwRegisterTraceGuidsW
EtwUnregisterTraceGuids
NtQueryInformationToken
NtQueryInformationProcess
RtlNtStatusToDosError
EtwEventWriteNoRegistration
NtClose
NtWaitForSingleObject
NtOpenEvent
RtlFreeSid
NtAlpcSendWaitReceivePort
NtAlpcConnectPort
RtlInitUnicodeString
RtlAllocateAndInitializeSid
RtlDeleteBoundaryDescriptor
RtlAddSIDToBoundaryDescriptor
RtlCreateServiceSid
RtlCreateBoundaryDescriptor
NtQuerySystemInformation
shell32
CommandLineToArgvW
ShellExecuteExW
wer
WerpSubmitReportFromStore
WerpLaunchResponse
WerpOpenMachineQueue
WerpCloseStore
WerpIsTransportAvailable
WerpEnumerateStoreNext
WerReportCloseHandle
WerpEnumerateStoreStart
WerReportAddDump
WerpOpenUserQueue
WerReportSubmit
WerpSetCallBack
WerpSetReportInformation
WerpGetReportInformation
WerpGetReportType
WerpLoadReport
user32
GetProcessWindowStation
GetThreadDesktop
GetUserObjectInformationW
ole32
CoUninitialize
CoInitialize
CoCreateInstance
oleaut32
SysAllocString
SysFreeString
Sections
.text Size: 41KB - Virtual size: 41KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 34KB - Virtual size: 35KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE