hackbrowser[.]exe

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General

Target

hackbrowser.exe
Size

5.7MB
MD5

71d50d136b5f88fb5ac49e20817ef6d9
SHA1

7464402f31cee1fb0a929ba4faa636d271a4ecde
SHA256

b2d15c15a7b2766624f8e4283afe913a948786f9c17f22d816669506463f8800
SHA512

fe941285ff1988739dfca79cbba43a409e9ea0060c8ed82c4bb3511cbdc10b794bb2f83f76d48066c5df4f602abe69b504a3dcfaa1c017d91662468a98f27720
SSDEEP

49152:3eOOJ2y1Lrb/TTvO90dL3BmAFd4A64nsfJ1Gs/M/LFJdcQm8Gc9b/Zol8uD1D0T1:OOkaNUTW/5gu6mBHYF5zAuLjyh6d

Score

1^/10

Malware Config

Signatures

Files

hackbrowser.exe
.exe windows x64

1a5a99c845416c0fef4b112bab031f8b

Code Sign

33:00:00:01:3c:ed:d3:5c:e9:30:dd:53:d0:00:00:00:00:01:3c
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

23/10/2019, 23:17

Not After

21/01/2021, 23:17

Subject

CN=Microsoft Time-Stamp Service,OU=Microsoft Ireland Operations Limited+OU=Thales TSS ESN:86DF-4BBC-9335,O=Microsoft Corporation,L=Redmond,ST=WA,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:52:9b:40:9f:50:56:99:75:88:00:00:00:00:01:52
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/05/2019, 21:37

Not After

02/05/2020, 21:37

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03/04/2007, 12:53

Not After

03/04/2021, 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:01:52:9b:40:9f:50:56:99:75:88:00:00:00:00:01:52
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/05/2019, 21:37

Not After

02/05/2020, 21:37

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

d5:38:7d:57:1d:ab:54:70:eb:d5:8d:75:cf:d4:db:eb:3d:68:36:09:de:17:c8:71:ec:39:d5:a2:77:6a:3d:a2
Signer

Actual PE Digest

d5:38:7d:57:1d:ab:54:70:eb:d5:8d:75:cf:d4:db:eb:3d:68:36:09:de:17:c8:71:ec:39:d5:a2:77:6a:3d:a2

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

09/03/2023, 18:53
Valid: false

f4:93:e7:dd:2f:23:a9:b7:17:fc:5e:78:f9:07:33:5a:1f:2d:63:ab
Signer

Actual PE Digest

f4:93:e7:dd:2f:23:a9:b7:17:fc:5e:78:f9:07:33:5a:1f:2d:63:ab

Digest Algorithm

sha1

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

03/03/2020, 19:04
Valid: false

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

AddVectoredExceptionHandler
AreFileApisANSI
CloseHandle
CreateEventA
CreateFileA
CreateFileMappingA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateMutexW
CreateThread
CreateWaitableTimerA
CreateWaitableTimerExW
DeleteCriticalSection
DeleteFileA
DeleteFileW
DuplicateHandle
EnterCriticalSection
ExitProcess
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetConsoleMode
GetCurrentProcessId
GetCurrentThreadId
GetDiskFreeSpaceA
GetDiskFreeSpaceW
GetEnvironmentStringsW
GetFileAttributesA
GetFileAttributesExW
GetFileAttributesW
GetFileSize
GetFullPathNameA
GetFullPathNameW
GetLastError
GetProcAddress
GetProcessAffinityMask
GetProcessHeap
GetQueuedCompletionStatusEx
GetStartupInfoA
GetStdHandle
GetSystemDirectoryA
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathA
GetTempPathW
GetThreadContext
GetTickCount
GetVersionExA
GetVersionExW
HeapAlloc
HeapCompact
HeapCreate
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
HeapValidate
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
LocalFree
LockFile
LockFileEx
MapViewOfFile
MultiByteToWideChar
OutputDebugStringA
OutputDebugStringW
PostQueuedCompletionStatus
QueryPerformanceCounter
ReadFile
ResumeThread
SetConsoleCtrlHandler
SetEndOfFile
SetErrorMode
SetEvent
SetFilePointer
SetProcessPriorityBoost
SetThreadContext
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SuspendThread
SwitchToThread
SystemTimeToFileTime
TlsGetValue
TryEnterCriticalSection
UnlockFile
UnlockFileEx
UnmapViewOfFile
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile
__C_specific_handler

msvcrt

___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_beginthread
_beginthreadex
_cexit
_commode
_endthreadex
_errno
_fmode
_initterm
_localtime64
_lock
_onexit
_unlock
abort
calloc
exit
fprintf
fputc
free
fwrite
localeconv
malloc
memcmp
memcpy
memmove
memset
qsort
realloc
signal
strcmp
strcspn
strerror
strlen
strncmp
strrchr
vfprintf
wcslen

Exports

Exports

_cgo_dummy_export
authorizerTrampoline
callbackTrampoline
commitHookTrampoline
compareTrampoline
doneTrampoline
preUpdateHookTrampoline
rollbackHookTrampoline
stepTrampoline
updateHookTrampoline

Sections

.text
Size: 3.1MB - Virtual size: 3.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 158KB - Virtual size: 157KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 2.2MB - Virtual size: 2.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 35KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 34KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 376KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 345B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 104B

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

.reloc
Size: 102KB - Virtual size: 101KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1a5a99c845416c0fef4b112bab031f8b

Code Sign

33:00:00:01:3c:ed:d3:5c:e9:30:dd:53:d0:00:00:00:00:01:3cCertificate

Extended Key Usages

33:00:00:01:52:9b:40:9f:50:56:99:75:88:00:00:00:00:01:52Certificate

Extended Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

33:00:00:01:52:9b:40:9f:50:56:99:75:88:00:00:00:00:01:52Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

d5:38:7d:57:1d:ab:54:70:eb:d5:8d:75:cf:d4:db:eb:3d:68:36:09:de:17:c8:71:ec:39:d5:a2:77:6a:3d:a2Signer

Signature Validations

Verification

09/03/2023, 18:53 Valid: false

f4:93:e7:dd:2f:23:a9:b7:17:fc:5e:78:f9:07:33:5a:1f:2d:63:abSigner

Signature Validations

Verification

03/03/2020, 19:04 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Exports

Exports

Sections

.text Size: 3.1MB - Virtual size: 3.1MB

.data Size: 158KB - Virtual size: 157KB

.rdata Size: 2.2MB - Virtual size: 2.2MB

.pdata Size: 35KB - Virtual size: 34KB

.xdata Size: 34KB - Virtual size: 33KB

.bss Size: - Virtual size: 376KB

.edata Size: 512B - Virtual size: 345B

.idata Size: 6KB - Virtual size: 5KB

.CRT Size: 512B - Virtual size: 104B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 102KB - Virtual size: 101KB

33:00:00:01:3c:ed:d3:5c:e9:30:dd:53:d0:00:00:00:00:01:3c
Certificate

33:00:00:01:52:9b:40:9f:50:56:99:75:88:00:00:00:00:01:52
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

33:00:00:01:52:9b:40:9f:50:56:99:75:88:00:00:00:00:01:52
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

d5:38:7d:57:1d:ab:54:70:eb:d5:8d:75:cf:d4:db:eb:3d:68:36:09:de:17:c8:71:ec:39:d5:a2:77:6a:3d:a2
Signer

09/03/2023, 18:53
Valid: false

f4:93:e7:dd:2f:23:a9:b7:17:fc:5e:78:f9:07:33:5a:1f:2d:63:ab
Signer

03/03/2020, 19:04
Valid: false

.text
Size: 3.1MB - Virtual size: 3.1MB

.data
Size: 158KB - Virtual size: 157KB

.rdata
Size: 2.2MB - Virtual size: 2.2MB

.pdata
Size: 35KB - Virtual size: 34KB

.xdata
Size: 34KB - Virtual size: 33KB

.bss
Size: - Virtual size: 376KB

.edata
Size: 512B - Virtual size: 345B

.idata
Size: 6KB - Virtual size: 5KB

.CRT
Size: 512B - Virtual size: 104B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 102KB - Virtual size: 101KB