2026-10-31_820abc72e721070d564350c412118db9_mespinoza

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General

Target
2026-10-31_820abc72e721070d564350c412118db9_mespinoza
Size 228KB
Sample261101-3hwgpsyxes
SHA256 fcbfb9ab08e5bbe5ae7f4a644350e835bf71fc01827ccb3fe74c0bab6054ecdb
MD5 820abc72e721070d564350c412118db9
SHA1 9e3fc1c197f7aa22ef25a3993d01bbfa60ce6e93
SHA512 6bda56e4424eeee01c4ecdf01db362d538ebfef9baa90fcc13fdae531beca125119a47eaff201eabc9b19515020901af66f5b88f7e159c048c43893932728c14
SSDEEP 1536:DrWjlaJZxgRDdBFB8l9kYBaVJRaCAd1uhNRk98EBsTo:DijlwPITF+lyYBa1098EGTo
TLSH
T18D342C56BE5080B5E4A14D304B55EB5EA724B859D8034E9B72D0BECFFFF2AD18E18231
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
2026-10-31_820abc72e721070d564350c412118db9_mespinoza

File Explorer

2026-10-31_820abc72e721070d564350c412118db9_mespinoza

.exe 228KB

2026-10-31_820abc72e721070d564350c412118db9_mespinoza

SHA256 fcbfb9ab08e5bbe5ae7f4a644350e835bf71fc01827ccb3fe74c0bab6054ecdb
MD5 820abc72e721070d564350c412118db9
SHA1 9e3fc1c197f7aa22ef25a3993d01bbfa60ce6e93
SHA512 6bda56e4424eeee01c4ecdf01db362d538ebfef9baa90fcc13fdae531beca125119a47eaff201eabc9b19515020901af66f5b88f7e159c048c43893932728c14
SSDEEP 1536:DrWjlaJZxgRDdBFB8l9kYBaVJRaCAd1uhNRk98EBsTo:DijlwPITF+lyYBa1098EGTo
TLSH
T18D342C56BE5080B5E4A14D304B55EB5EA724B859D8034E9B72D0BECFFFF2AD18E18231
MD5 SHA1 SHA512 SSDEEP TLSH

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

90:1b:6c:e4:17:8f:b6:2d:07:53:e6:e3:a1:e1:8e:ed:33:b0:91:5f:3a:82:45:48:b6:42:b7:aa:87:46:2a:4d

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

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

Chains

Jun 13, 2016

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

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

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

PE Signature issue

Digest

ef:3e:33:f3:a5:af:ec:40:8e:90:18:8f:43:65:12:b8:cc:03:c9:60

Digest Algorithm

sha1

PE Digests Matches

Not matched

Trusted

Not trusted

Signing Certificate

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

Chains

Jun 13, 2016

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

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:B1B7-F67F-FEC2,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:00:9a:9a:9b:16:c2:83:da:d5:c2:00:00:00:00:00:9a

Issuer

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

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 30, 2016 - Jun 30, 2017

Subject

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

Serial Number

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a

Issuer

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

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Jun 4, 2015 - Sep 4, 2016

Subject

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

Serial Number

61:33:26:1a:00:00:00:00:00:31

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Aug 31, 2010 - Aug 31, 2020

Subject

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

Serial Number

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

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Apr 3, 2007 - Apr 3, 2021

Subject

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

Serial Number

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64

Issuer

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

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Oct 28, 2015 - Jan 28, 2017

Subject

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

Serial Number

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

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Jul 8, 2011 - Jul 8, 2026

Subject

CN=Microsoft Time-Stamp PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

61:09:81:2a:00:00:00:00:00:02

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Jul 1, 2010 - Jul 1, 2025

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:7AFA-E41C-E142,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:00:84:93:8a:42:8f:2c:7c:23:e8:00:00:00:00:00:84

Issuer

CN=Microsoft Time-Stamp PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 30, 2016 - Jun 30, 2017

Minor OS version

Major OS version

Entry point

28732

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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_LARGE_ADDRESS_AWARE

PDB paths

F:\Office\Target\x64\ship\postc2r\x-none\msoxmled.pdb

Name

.text

Size

30KB

Virtual Size

29KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

11KB

Virtual Size

11KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

1024B

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.c2r

Size

512B

Virtual Size

296B

Characteristics

IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

165KB

Virtual Size

164KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

512B

Virtual Size

244B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-10-31_820abc72e721070d564350c412118db9_mespinoza

PE Signature issue

PE Signature issue

generic