Static task
static1
Behavioral task
behavioral1
Sample
ol-winlegacy.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ol-winlegacy.exe
Resource
win10v2004-20240412-en
General
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Target
ol-winlegacy.exe
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Size
741KB
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MD5
5002d8146ebe64575226700908812c75
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SHA1
209f6d297cce19fc3bb5965d2d3a36c90d7bf652
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SHA256
2c646e8eff917591a3e01ad3e43817f0bd0eb78933dccf573bb46f81875e5db0
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SHA512
a6dfb5b6ea2c438c623e622b6c4bddb2320e3dd885af3ae5d6ebfd43f31bc072c262831d51c4e171f4d632d926b398494bb2649226abe01071dcb86d3ce3daa8
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SSDEEP
12288:l5QAscAim9UJH13bgXv53iH78hZbGSKaUd:lts6lzgXRfI
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ol-winlegacy.exe
Files
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ol-winlegacy.exe.exe windows:4 windows x86 arch:x86
886936b65c03f8623938c1a577d96a58
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CreatePipe
CreateProcessA
DeleteCriticalSection
EnterCriticalSection
FreeLibrary
GetCurrentProcessId
GetFileAttributesA
GetLastError
GetModuleHandleA
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
QueryPerformanceCounter
QueryPerformanceFrequency
SetEnvironmentVariableA
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
msvcrt
__getmainargs
__initenv
__p__acmdln
__p__commode
__p__fmode
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_environ
_errno
_findclose
_fullpath
_initterm
_iob
_onexit
abort
calloc
exit
fprintf
free
fwrite
getenv
malloc
memcpy
realloc
rename
signal
strcpy
strerror
strlen
strncmp
strncpy
vfprintf
_fstat
_findnext
_findfirst
_write
_unlink
_umask
_rmdir
_read
_open
_mkdir
_lseek
_isatty
_getpid
_getcwd
_execv
_dup2
_close
_chdir
ws2_32
WSACleanup
WSAStartup
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
htonl
htons
listen
recvfrom
sendto
setsockopt
socket
Sections
.text Size: 24KB - Virtual size: 23KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 612B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 583KB - Virtual size: 582KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
/4 Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 252B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 48B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 8B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/14 Size: 1024B - Virtual size: 784B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/29 Size: 51KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/41 Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/55 Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/67 Size: 1024B - Virtual size: 775B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/78 Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/94 Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/110 Size: 512B - Virtual size: 452B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ