beacon2[.]dll | Triage

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General

Target

beacon2.dll
Size

36KB
MD5

c9856c8874e16515b578b3c6b652e06b
SHA1

b9138459845cea3b61d88956833e8039fefc2800
SHA256

69f078a6d536bbace8b60860b2449a22b9da53eae84fccbd79c7518fc843362e
SHA512

1cdfb9ef0e5f93d7221de7a98c5a9858d66d9909953d8baa2c4fe7af0926b5a61d0bd8713800d926fabfcba4b7c1d00412d6f968390b02b71da353c26965b950
SSDEEP

192:1SGZ0AlxD5IgBBekS+PLsFmfLAXSjLiGmfc4zHn7yAB1lorfH0JOqsmVgz28WhBb:1zjG+PFfL3LQVzH5B1U8JN77hh4m

Score

N/A

Malware Config

Signatures

Files

beacon2.dll
.dll windows x64

20f0fe2fc0f69a57bfa6aa35da2e40de

Code Sign

33:00:59:f8:b6:da:86:89:70:6f:fa:1b:d9:00:00:00:59:f8:b6
Certificate

Issuer

CN=Microsoft Azure TLS Issuing CA 06,O=Microsoft Corporation,C=US

Not Before

04/10/2022, 23:23

Not After

29/09/2023, 23:23

Subject

CN=www.microsoft.com,O=Microsoft Corporation,L=Redmond,ST=WA,C=US

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

d3:48:13:15:e9:2d:4f:ef:c1:8b:3c:63:72:fd:0e:a9:72:6d:73:d7:95:5f:e4:e5:00:31:46:83:41:15:b9:31
Signer

Actual PE Digest

d3:48:13:15:e9:2d:4f:ef:c1:8b:3c:63:72:fd:0e:a9:72:6d:73:d7:95:5f:e4:e5:00:31:46:83:41:15:b9:31

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=www.microsoft.com,O=Microsoft Corporation,L=Redmond,ST=WA,C=US

07/01/2023, 02:49
Valid: false

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

Imports

kernel32

QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
DisableThreadLibraryCalls
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW

vcruntime140

__C_specific_handler
__std_type_info_destroy_list
__current_exception
__current_exception_context
memset
memcpy

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

_initterm_e
_seh_filter_dll
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_initterm
_execute_onexit_table
_crt_atexit
_crt_at_quick_exit
_cexit
terminate
_register_onexit_function

Sections

.text
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 521B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 852B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 373B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 304B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

20f0fe2fc0f69a57bfa6aa35da2e40de

Code Sign

33:00:59:f8:b6:da:86:89:70:6f:fa:1b:d9:00:00:00:59:f8:b6Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

d3:48:13:15:e9:2d:4f:ef:c1:8b:3c:63:72:fd:0e:a9:72:6d:73:d7:95:5f:e4:e5:00:31:46:83:41:15:b9:31Signer

Signature Validations

Verification

07/01/2023, 02:49 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

vcruntime140

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

Sections

.text Size: 18KB - Virtual size: 18KB

.rdata Size: 6KB - Virtual size: 6KB

.data Size: 512B - Virtual size: 521B

.pdata Size: 1024B - Virtual size: 852B

.idata Size: 2KB - Virtual size: 2KB

.00cfg Size: 512B - Virtual size: 373B

.reloc Size: 512B - Virtual size: 304B

33:00:59:f8:b6:da:86:89:70:6f:fa:1b:d9:00:00:00:59:f8:b6
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

d3:48:13:15:e9:2d:4f:ef:c1:8b:3c:63:72:fd:0e:a9:72:6d:73:d7:95:5f:e4:e5:00:31:46:83:41:15:b9:31
Signer

07/01/2023, 02:49
Valid: false

.text
Size: 18KB - Virtual size: 18KB

.rdata
Size: 6KB - Virtual size: 6KB

.data
Size: 512B - Virtual size: 521B

.pdata
Size: 1024B - Virtual size: 852B

.idata
Size: 2KB - Virtual size: 2KB

.00cfg
Size: 512B - Virtual size: 373B

.reloc
Size: 512B - Virtual size: 304B