Static task
static1
Behavioral task
behavioral1
Sample
steam.dll
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
steam.dll
Resource
win10v2004-20230220-en
General
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Target
steam.dll
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Size
20KB
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MD5
060a0635534f1ef696c33b03d8c1c456
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SHA1
a2eb9c81f06eae90ca1d4bf9606f0bcb99b47011
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SHA256
46ef4adb753b2e23ff254cec8327d5b1fef510906be9ee941cedad05e7b379a0
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SHA512
0c65a1b42c13876d85a4014a4055ce777878c209d4619e87b254bc21293ada2ff3582b3c780b676b4ef82f4d058a1b396ae5eb5ff8a6a25df4284b34d29db310
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SSDEEP
384:AyFvH5bwwmmBZCYGlR4PRBxejh0jPmyP0ZwFZwXyjFIaeMW:A1mB6l+PRBChjyP0iFiCjFIa
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource steam.dll
Files
-
steam.dll.dll windows x86
cb137d5567b2e72d076deda6ae696565
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CloseHandle
CreateThread
CreateToolhelp32Snapshot
FlushInstructionCache
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetModuleHandleW
GetProcAddress
GetSystemTimeAsFileTime
GetThreadContext
HeapAlloc
HeapCreate
HeapFree
HeapReAlloc
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
OpenThread
QueryPerformanceCounter
ResumeThread
SetThreadContext
SetUnhandledExceptionFilter
Sleep
SuspendThread
TerminateProcess
Thread32First
Thread32Next
UnhandledExceptionFilter
VirtualAlloc
VirtualAllocEx
VirtualFree
VirtualProtect
VirtualQuery
user32
MessageBoxA
msvcp140
?_Xlength_error@std@@YAXPBD@Z
vcruntime140
_CxxThrowException
__CxxFrameHandler3
__std_exception_copy
__std_exception_destroy
__std_type_info_destroy_list
_except_handler4_common
memcpy
memset
strstr
api-ms-win-crt-heap-l1-1-0
_callnewh
free
malloc
api-ms-win-crt-runtime-l1-1-0
_cexit
_configure_narrow_argv
_crt_atexit
_execute_onexit_table
_initialize_narrow_environment
_initialize_onexit_table
_initterm
_initterm_e
_invalid_parameter_noinfo_noreturn
_register_onexit_function
_seh_filter_dll
api-ms-win-crt-convert-l1-1-0
wctob
api-ms-win-crt-string-l1-1-0
wcslen
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 4B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 1016B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ