openjp2[.]dll | Triage

Sharing

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General

Target

openjp2.dll
Size

315KB
MD5

85d8786a1434dd54b284544185201b78
SHA1

ca7f132c36827ea3f14a7ca4638817b664747333
SHA256

dc7bc80a4804034296ad473d985061186e43ee48b1c3c3dc20f933e3d7d1b9d4
SHA512

57db1bc7e1149f43e76e85256d8a91b40ae126ff5ee84acd89a557966bd440c08364de3278c6b1750c6f28c8f15f7313bb71580339bb87d68c37d46bf8709b25
SSDEEP

6144:Q4nH8MKjOHmulGW6fMiZfkpZh+2Wa90XVABu7LRus9AYX/ylFpezBqqPpqQL0:Q4nzwOj3gfA5MAYXmI10

Score

1^/10

Malware Config

Signatures

Files

openjp2.dll
.dll windows:5 windows x64 arch:x64

acd9f6fe0e71c532700f9e166795b2e1

Code Sign

0d:65:50:75:ec:c1:01:71:b5:42:cd:05:db:d2:c7:be
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

26/04/2021, 00:00

Not After

01/05/2024, 23:59

Subject

CN=LLC 1C-Soft,OU=LLC 1C-Soft,O=LLC 1C-Soft,L=Moscow,C=RU

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

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

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

Issuer

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

Not Before

10/11/2006, 00:00

Not After

10/11/2031, 00:00

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

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

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,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

f1:e2:f0:41:a6:3a:cc:95:8f:fd:10:23:57:93:b8:a6:b9:31:6b:ef:e4:08:8d:ba:b2:df:e7:75:78:49:68:38
Signer

Actual PE Digest

f1:e2:f0:41:a6:3a:cc:95:8f:fd:10:23:57:93:b8:a6:b9:31:6b:ef:e4:08:8d:ba:b2:df:e7:75:78:49:68:38

Digest Algorithm

sha256

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

EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
SetEvent
WaitForSingleObject
CloseHandle
GetSystemInfo
TlsAlloc
TlsGetValue
TlsSetValue
CreateEventA
QueryPerformanceCounter
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

vcruntime140

__std_type_info_destroy_list
memcpy
memset
memmove
__C_specific_handler

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

_initialize_onexit_table
_cexit
_beginthreadex
_execute_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
_seh_filter_dll
_initterm
_initterm_e

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

ceil
pow
floor
sqrt

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

fclose
__stdio_common_vsprintf
fread
__acrt_iob_func
fwrite
__stdio_common_vfprintf
_fseeki64
_ftelli64
fopen

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

atoi

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

getenv

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

strncmp
strcmp

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

calloc
malloc
realloc
_aligned_free
_aligned_malloc
free

Exports

Exports

opj_codec_set_threads
opj_create_compress
opj_create_decompress
opj_decode
opj_decode_tile_data
opj_destroy_codec
opj_destroy_cstr_index
opj_destroy_cstr_info
opj_dump_codec
opj_encode
opj_encoder_set_extra_options
opj_end_compress
opj_end_decompress
opj_get_cstr_index
opj_get_cstr_info
opj_get_decoded_tile
opj_get_num_cpus
opj_has_thread_support
opj_image_create
opj_image_data_alloc
opj_image_data_free
opj_image_destroy
opj_image_tile_create
opj_read_header
opj_read_tile_header
opj_set_MCT
opj_set_decode_area
opj_set_decoded_components
opj_set_decoded_resolution_factor
opj_set_default_decoder_parameters
opj_set_default_encoder_parameters
opj_set_error_handler
opj_set_info_handler
opj_set_warning_handler
opj_setup_decoder
opj_setup_encoder
opj_start_compress
opj_stream_create
opj_stream_create_default_file_stream
opj_stream_create_file_stream
opj_stream_default_create
opj_stream_destroy
opj_stream_set_read_function
opj_stream_set_seek_function
opj_stream_set_skip_function
opj_stream_set_user_data
opj_stream_set_user_data_length
opj_stream_set_write_function
opj_version
opj_write_tile

Sections

.text
Size: 242KB - Virtual size: 241KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 51KB - Virtual size: 50KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 516B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

acd9f6fe0e71c532700f9e166795b2e1

Code Sign

0d:65:50:75:ec:c1:01:71:b5:42:cd:05:db:d2:c7:beCertificate

Extended Key Usages

Key Usages

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39Certificate

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

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

f1:e2:f0:41:a6:3a:cc:95:8f:fd:10:23:57:93:b8:a6:b9:31:6b:ef:e4:08:8d:ba:b2:df:e7:75:78:49:68:38Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

vcruntime140

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 242KB - Virtual size: 241KB

.rdata Size: 51KB - Virtual size: 50KB

.data Size: 512B - Virtual size: 1KB

.pdata Size: 9KB - Virtual size: 8KB

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 1024B - Virtual size: 516B

0d:65:50:75:ec:c1:01:71:b5:42:cd:05:db:d2:c7:be
Certificate

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
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

f1:e2:f0:41:a6:3a:cc:95:8f:fd:10:23:57:93:b8:a6:b9:31:6b:ef:e4:08:8d:ba:b2:df:e7:75:78:49:68:38
Signer

.text
Size: 242KB - Virtual size: 241KB

.rdata
Size: 51KB - Virtual size: 50KB

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 9KB - Virtual size: 8KB

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 1024B - Virtual size: 516B