Static task
static1
Behavioral task
behavioral1
Sample
1d8e5a4637c7fcda8d1fb68dee316e6fb49fca83761a35b7615a2f5f9a2edb80.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
1d8e5a4637c7fcda8d1fb68dee316e6fb49fca83761a35b7615a2f5f9a2edb80.exe
Resource
win10v2004-20230831-en
General
-
Target
Reozena-s1-sam2.zip
-
Size
62KB
-
MD5
f6d972ec1994ff24aedcd52e005aea29
-
SHA1
478e990ac1df6f0f7eb3db3f19b0827485aac615
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SHA256
648fc8816b20ca8457b23af53bd6abf433c6a6251fd26a6d7ced2588cbaf80e2
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SHA512
6f567c84754e61b82e8fb2dc5fd0aaff573e5512935681048d5aeb135e736e74cc3d9cfdf0cf2668aefbc24a63e80cd44b95e25ac0216fda66f67d06d21ff54a
-
SSDEEP
1536:gMSmmFbpbUMiml7A4P5F917XSLGlmcxpdsdsX7ZPdlky:LSmsNoMJl7A2fLUcxTsdsLZUy
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/1d8e5a4637c7fcda8d1fb68dee316e6fb49fca83761a35b7615a2f5f9a2edb80
Files
-
Reozena-s1-sam2.zip.zip
Password: infected
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1d8e5a4637c7fcda8d1fb68dee316e6fb49fca83761a35b7615a2f5f9a2edb80.exe windows x64
174b815bb197d8bd7399754d213ec18d
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
AddAtomA
AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateMutexA
CreateSemaphoreA
DeleteAtom
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
FindAtomA
FormatMessageA
GetAtomNameA
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetHandleInformation
GetLastError
GetProcessAffinityMask
GetStartupInfoA
GetSystemTimeAsFileTime
GetThreadContext
GetThreadPriority
GetTickCount
InitializeCriticalSection
IsDBCSLeadByteEx
IsDebuggerPresent
LeaveCriticalSection
LocalFree
MultiByteToWideChar
OpenProcess
OutputDebugStringA
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReleaseMutex
ReleaseSemaphore
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
SetEvent
SetLastError
SetProcessAffinityMask
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SuspendThread
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
VirtualAlloc
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
__C_specific_handler
msvcrt
___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_beginthreadex
_cexit
_commode
_endthreadex
_errno
_fmode
_initterm
_lock
_memccpy
_onexit
_setjmp
_strdup
_ultoa
_unlock
abort
calloc
exit
fprintf
fputc
free
fwrite
getc
islower
isspace
isupper
isxdigit
localeconv
longjmp
malloc
memcpy
memmove
memset
printf
realloc
signal
strchr
strerror
strlen
strncmp
strstr
strtol
strtoul
tolower
ungetc
vfprintf
wcslen
Sections
.text Size: 97KB - Virtual size: 96KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 944B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 3KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 112B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 160B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ