ffmpeg[.]dll[.]zip

Sharing

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General

Target

ffmpeg.dll.zip
Size

1.1MB
MD5

0fc1c9a5508e4746c0c056c215082aab
SHA1

da63951b5abf7778b4a6d70cb50791febe62de3f
SHA256

b188b77ff996c48d23caeeab7e39570b91677109326d11d59c2c6eda79cb2468
SHA512

3db5857dcb200d6e2e48b9cb054acaf1d5083e150d80a63c040d252aec8ede0f0c4ef6e72df5a35dd7cdcc37a974f04d89cdbdf8351f5ef68f28fb6b1420873a
SSDEEP

24576:6gsibXeoauLk1q33AvwmBLGkOGDOG59PzdQARGJhbs:ZsiTHauLl1UfOGjPzLGJ1s

Score

10^/10

Malware Config

Signatures

Detects any file with a triage score of 10 1 IoCs

This file has been assigned a triage score of 10, indicating a high likelihood of malicious behavior.

resource	yara_rule
static1/unpack001/ffmpeg.dll	triage_score_10

Files

ffmpeg.dll.zip
.zip

Password: ThePCSecurityChannel$1
ffmpeg.dll
.dll windows x64

Password: ThePCSecurityChannel$1

33955ad6c8fb7e74dee473c690ca4dbc

Code Sign

1b:66:11:df:9c:9a:4d:6e:cc:8e:d5:0c:9b:91:78:73
Certificate

Issuer

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

02/11/2020, 00:00

Not After

02/11/2023, 23:59

Subject

CN=3CX Ltd,O=3CX Ltd,POSTALCODE=2409,STREET=4\, Markou Drakou,L=Egkomi,C=CY

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/11/2018, 00:00

Not After

31/12/2030, 23:59

Subject

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

9e:76:bd:9b:1c:59:34:14:c3:79:9c:c4:88:6f:79:f5:f4:a8:4c:34
Signer

Actual PE Digest

9e:76:bd:9b:1c:59:34:14:c3:79:9c:c4:88:6f:79:f5:f4:a8:4c:34

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=3CX Ltd,O=3CX Ltd,POSTALCODE=2409,STREET=4\, Markou Drakou,L=Egkomi,C=CY

13/03/2023, 06:32
Valid: true

Chain 1

CN=3CX Ltd,O=3CX Ltd,POSTALCODE=2409,STREET=4\, Markou Drakou,L=Egkomi,C=CY

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateThread
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetFileSize
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessAffinityMask
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapQueryInformation
HeapReAlloc
HeapSize
InitOnceBeginInitialize
InitOnceComplete
InitializeConditionVariable
InitializeCriticalSectionAndSpinCount
InitializeSListHead
InitializeSRWLock
InterlockedFlushSList
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualProtect
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

Exports

Exports

av_buffer_create
av_buffer_get_opaque
av_dict_count
av_dict_free
av_dict_get
av_dict_set
av_force_cpu_flags
av_frame_alloc
av_frame_clone
av_frame_free
av_frame_unref
av_free
av_get_bytes_per_sample
av_get_cpu_flags
av_image_check_size
av_init_packet
av_log_set_level
av_malloc
av_max_alloc
av_new_packet
av_packet_alloc
av_packet_copy_props
av_packet_free
av_packet_get_side_data
av_packet_unref
av_rdft_calc
av_rdft_end
av_rdft_init
av_read_frame
av_rescale_q
av_samples_get_buffer_size
av_seek_frame
av_stream_get_first_dts
av_stream_get_side_data
av_strerror
avcodec_align_dimensions
avcodec_alloc_context3
avcodec_descriptor_get
avcodec_descriptor_next
avcodec_find_decoder
avcodec_flush_buffers
avcodec_free_context
avcodec_get_name
avcodec_open2
avcodec_parameters_to_context
avcodec_receive_frame
avcodec_send_packet
avformat_alloc_context
avformat_close_input
avformat_find_stream_info
avformat_free_context
avformat_open_input
avio_alloc_context
avio_close

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 467KB - Virtual size: 467KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 92B

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: ThePCSecurityChannel$1

Password: ThePCSecurityChannel$1

33955ad6c8fb7e74dee473c690ca4dbc

Code Sign

1b:66:11:df:9c:9a:4d:6e:cc:8e:d5:0c:9b:91:78:73Certificate

Extended Key Usages

Key Usages

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6aCertificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

9e:76:bd:9b:1c:59:34:14:c3:79:9c:c4:88:6f:79:f5:f4:a8:4c:34Signer

Signature Validations

Verification

13/03/2023, 06:32 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Exports

Exports

Sections

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

.rdata Size: 467KB - Virtual size: 467KB

.data Size: 8KB - Virtual size: 1.4MB

.pdata Size: 44KB - Virtual size: 43KB

.00cfg Size: 512B - Virtual size: 56B

.gxfg Size: 11KB - Virtual size: 10KB

.retplne Size: 512B - Virtual size: 92B

.tls Size: 512B - Virtual size: 9B

_RDATA Size: 512B - Virtual size: 348B

.reloc Size: 12KB - Virtual size: 12KB

1b:66:11:df:9c:9a:4d:6e:cc:8e:d5:0c:9b:91:78:73
Certificate

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

9e:76:bd:9b:1c:59:34:14:c3:79:9c:c4:88:6f:79:f5:f4:a8:4c:34
Signer

13/03/2023, 06:32
Valid: true

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

.rdata
Size: 467KB - Virtual size: 467KB

.data
Size: 8KB - Virtual size: 1.4MB

.pdata
Size: 44KB - Virtual size: 43KB

.00cfg
Size: 512B - Virtual size: 56B

.gxfg
Size: 11KB - Virtual size: 10KB

.retplne
Size: 512B - Virtual size: 92B

.tls
Size: 512B - Virtual size: 9B

_RDATA
Size: 512B - Virtual size: 348B

.reloc
Size: 12KB - Virtual size: 12KB