freebrowser_v103a[.]exe

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General

Target

freebrowser_v103a.exe
Size

15.0MB
MD5

593bd5f6e61ebad3007ed61fdcd56255
SHA1

edfcee4bedd28f58d65066f78bfa02e95c6a42c5
SHA256

cb471e444c9eaf7a1340e2d4d3138e123a1e42b61a718c1a9d9b97a744e608e5
SHA512

50c1a3351c18f313f10c29bf144d23dd4ad3c86769e8e18e81df25f046dbe5d15f3831902dd49b76cc96765e7e07eb9392b10f1920248f28c9da4a7f31f110cd
SSDEEP

393216:W434o9b9xO267ODV9Bj9G3Eom40gyVyr:QoXxORyfCUotys

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
freebrowser_v103a.exe

Files

freebrowser_v103a.exe
.exe windows:6 windows x64

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: 2.8MB - Virtual size: 2.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 9.1MB - Virtual size: 9.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 250KB - Virtual size: 631KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

/4
Size: 512B - Virtual size: 295B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 480KB - Virtual size: 480KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/32
Size: 97KB - Virtual size: 96KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/46
Size: 512B - Virtual size: 42B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/65
Size: 949KB - Virtual size: 949KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/78
Size: 634KB - Virtual size: 634KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/90
Size: 161KB - Virtual size: 161KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.idata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 49KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 440KB - Virtual size: 439KB

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f0ea7b7844bbc5bfa9bb32efdcea957c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 2.8MB - Virtual size: 2.8MB

.rdata Size: 9.1MB - Virtual size: 9.1MB

.data Size: 250KB - Virtual size: 631KB

/4 Size: 512B - Virtual size: 295B

/19 Size: 480KB - Virtual size: 480KB

/32 Size: 97KB - Virtual size: 96KB

/46 Size: 512B - Virtual size: 42B

/65 Size: 949KB - Virtual size: 949KB

/78 Size: 634KB - Virtual size: 634KB

/90 Size: 161KB - Virtual size: 161KB

.idata Size: 1KB - Virtual size: 1KB

.reloc Size: 49KB - Virtual size: 49KB

.symtab Size: 440KB - Virtual size: 439KB

.rsrc Size: 43KB - Virtual size: 42KB

.text
Size: 2.8MB - Virtual size: 2.8MB

.rdata
Size: 9.1MB - Virtual size: 9.1MB

.data
Size: 250KB - Virtual size: 631KB

/4
Size: 512B - Virtual size: 295B

/19
Size: 480KB - Virtual size: 480KB

/32
Size: 97KB - Virtual size: 96KB

/46
Size: 512B - Virtual size: 42B

/65
Size: 949KB - Virtual size: 949KB

/78
Size: 634KB - Virtual size: 634KB

/90
Size: 161KB - Virtual size: 161KB

.idata
Size: 1KB - Virtual size: 1KB

.reloc
Size: 49KB - Virtual size: 49KB

.symtab
Size: 440KB - Virtual size: 439KB

.rsrc
Size: 43KB - Virtual size: 42KB