StaffBesting[.]dll

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General

Target

StaffBesting.dll
Size

126KB
MD5

f183531d45a4dcecb4aa96dd13689016
SHA1

fa741a65789bdaf42b150fd7401520011a80bbfe
SHA256

3c4542a0891f8161a91021f2ca23254b856f7b3f5c7139e88088337f2c751c89
SHA512

e0e3ad023efae49973261632d80ac07861a3618c51b25bc99b7dbf0155178188751b03dc2eb4a373b2461094e0230bab178600ae5a5d6187c0b16be6dc42f3d3
SSDEEP

3072:IMZJuGAANmJME478SeDcqfsL4MnTqZ8ewzVSIKQqigPu:Ies2wKE478Sew4MTsOSHQqigPu

Score

1^/10

Malware Config

Signatures

Files

StaffBesting.dll
.dll windows:6 windows x64 arch:x64

76e084074b379add409e52622cc7a66f

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

25/05/2021, 00:00

Not After

31/12/2028, 23:59

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

01:39:dd:e1:19:bb:32:0d:fb:9f:5d:ef:e3:f7:12:45
Certificate

Issuer

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Not Before

10/11/2021, 00:00

Not After

09/11/2024, 23:59

Subject

CN=Hangil IT Co.\, Ltd,O=Hangil IT Co.\, Ltd,ST=Seoul,C=KR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

a9:f9:44:10:1b:b3:51:24:4d:db:e8:fd:75:8a:d8:72:28:40:d3:ba
Signer

Actual PE Digest

a9:f9:44:10:1b:b3:51:24:4d:db:e8:fd:75:8a:d8:72:28:40:d3:ba

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

kernel32

GetModuleHandleA
AllocConsole
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetProcAddress
GetModuleHandleW
CreateEventW
WaitForSingleObjectEx
ResetEvent
SetEvent
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
CloseHandle
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
QueryPerformanceCounter

user32

SendInput
MapVirtualKeyW
CallNextHookEx
GetSystemMetrics
GetKeyNameTextA
GetAsyncKeyState
GetCursorPos

msvcp140

?_Getcat@?$ctype@_W@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Xlength_error@std@@YAXPEBD@Z
?narrow@?$ctype@_W@std@@QEBAPEB_WPEB_W0DPEAD@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?id@?$ctype@_W@std@@2V0locale@2@A
?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z
??Bid@locale@std@@QEAA_KXZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ

vcruntime140_1

__CxxFrameHandler4

vcruntime140

memmove
memcpy
memchr
__C_specific_handler
__std_type_info_destroy_list
__std_terminate
__std_exception_copy
__std_exception_destroy
_CxxThrowException
memset
memcmp

api-ms-win-crt-convert-l1-1-0

mbstowcs

api-ms-win-crt-stdio-l1-1-0

__stdio_common_vsprintf_s

api-ms-win-crt-math-l1-1-0

asinf
acosf
powf
sinf
sqrtf
atanf
cosf
fmodf

api-ms-win-crt-runtime-l1-1-0

_initialize_onexit_table
_invalid_parameter_noinfo_noreturn
_cexit
_execute_onexit_table
_register_onexit_function
_crt_atexit
_initialize_narrow_environment
_configure_narrow_argv
_seh_filter_dll
_initterm_e
_initterm

api-ms-win-crt-heap-l1-1-0

malloc
_callnewh
free

Exports

Exports

NextHook

Sections

.text
Size: 85KB - Virtual size: 84KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 31KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 248B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 128B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

76e084074b379add409e52622cc7a66f

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16Certificate

Extended Key Usages

Key Usages

01:39:dd:e1:19:bb:32:0d:fb:9f:5d:ef:e3:f7:12:45Certificate

Extended Key Usages

Key Usages

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0aCertificate

Extended Key Usages

Key Usages

a9:f9:44:10:1b:b3:51:24:4d:db:e8:fd:75:8a:d8:72:28:40:d3:baSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

msvcp140

vcruntime140_1

vcruntime140

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-heap-l1-1-0

Exports

Exports

Sections

.text Size: 85KB - Virtual size: 84KB

.rdata Size: 31KB - Virtual size: 31KB

.data Size: 512B - Virtual size: 27KB

.pdata Size: 2KB - Virtual size: 1KB

.rsrc Size: 512B - Virtual size: 248B

.reloc Size: 512B - Virtual size: 128B

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

01:39:dd:e1:19:bb:32:0d:fb:9f:5d:ef:e3:f7:12:45
Certificate

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

a9:f9:44:10:1b:b3:51:24:4d:db:e8:fd:75:8a:d8:72:28:40:d3:ba
Signer

.text
Size: 85KB - Virtual size: 84KB

.rdata
Size: 31KB - Virtual size: 31KB

.data
Size: 512B - Virtual size: 27KB

.pdata
Size: 2KB - Virtual size: 1KB

.rsrc
Size: 512B - Virtual size: 248B

.reloc
Size: 512B - Virtual size: 128B