Update[.]exe | Triage

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General

Target

Update.exe
Size

2.5MB
MD5

7241dd7fd2c4340c876fbbc0351bfd3b
SHA1

3d773f8d57a262ac6958a55d17d44fd1ba9c8f59
SHA256

8a94b091015de99b0449e2df666563a03e35462843e80b709ffa1fb0d2e96a75
SHA512

9fa57fb185bd5cbf022305208b86694db0439c8cae78c3f9329cc9a9831f8739bb53f9941aba13f7d43848f5f835b9e96b8af1aad95c8e85606e3cc80f5ac6ab
SSDEEP

49152:5yH/ZU39Y56kZVaNmwSLd0Yx7eJL8vZ30:5yH/ZUm56iakwAN7eB82

Score

1^/10

Malware Config

Signatures

Files

Update.exe
.exe windows x86

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

33:00:00:02:f2:46:59:a7:2d:67:a3:4b:b8:00:00:00:00:02:f2
Certificate

Issuer

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

Not Before

30/06/2022, 17:38

Not After

15/09/2023, 17:38

Subject

CN=Microsoft 3rd Party Application Component,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

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

Issuer

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

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:04:8f:0b:b9:7c:df:7a:ff:4a:57:00:00:00:00:04:8f
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

12/05/2022, 20:47

Not After

11/05/2023, 20:47

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

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

Not Before

06/07/2010, 20:40

Not After

06/07/2025, 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

5d:d3:f5:89:b6:a2:cb:24:4a:cb:b6:1c:4d:3e:a0:5b:e2:26:02:38:28:38:80:7c:42:28:6c:f0:15:0e:a4:fb
Signer

Actual PE Digest

5d:d3:f5:89:b6:a2:cb:24:4a:cb:b6:1c:4d:3e:a0:5b:e2:26:02:38:28:38:80:7c:42:28:6c:f0:15:0e:a4:fb

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

07/02/2023, 20:50
Valid: false

5d:d3:f5:89:b6:a2:cb:24:4a:cb:b6:1c:4d:3e:a0:5b:e2:26:02:38:28:38:80:7c:42:28:6c:f0:15:0e:a4:fb
Signer

Actual PE Digest

5d:d3:f5:89:b6:a2:cb:24:4a:cb:b6:1c:4d:3e:a0:5b:e2:26:02:38:28:38:80:7c:42:28:6c:f0:15:0e:a4:fb

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Microsoft 3rd Party Application Component,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

07/02/2023, 20:50
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 2.3MB - Virtual size: 2.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 172KB - Virtual size: 171KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

33:00:00:02:f2:46:59:a7:2d:67:a3:4b:b8:00:00:00:00:02:f2Certificate

Extended Key Usages

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

Key Usages

33:00:00:04:8f:0b:b9:7c:df:7a:ff:4a:57:00:00:00:00:04:8fCertificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

5d:d3:f5:89:b6:a2:cb:24:4a:cb:b6:1c:4d:3e:a0:5b:e2:26:02:38:28:38:80:7c:42:28:6c:f0:15:0e:a4:fbSigner

Signature Validations

Verification

07/02/2023, 20:50 Valid: false

5d:d3:f5:89:b6:a2:cb:24:4a:cb:b6:1c:4d:3e:a0:5b:e2:26:02:38:28:38:80:7c:42:28:6c:f0:15:0e:a4:fbSigner

Signature Validations

Verification

07/02/2023, 20:50 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 2.3MB - Virtual size: 2.3MB

.rsrc Size: 172KB - Virtual size: 171KB

.reloc Size: 512B - Virtual size: 12B

33:00:00:02:f2:46:59:a7:2d:67:a3:4b:b8:00:00:00:00:02:f2
Certificate

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

33:00:00:04:8f:0b:b9:7c:df:7a:ff:4a:57:00:00:00:00:04:8f
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

5d:d3:f5:89:b6:a2:cb:24:4a:cb:b6:1c:4d:3e:a0:5b:e2:26:02:38:28:38:80:7c:42:28:6c:f0:15:0e:a4:fb
Signer

07/02/2023, 20:50
Valid: false

5d:d3:f5:89:b6:a2:cb:24:4a:cb:b6:1c:4d:3e:a0:5b:e2:26:02:38:28:38:80:7c:42:28:6c:f0:15:0e:a4:fb
Signer

07/02/2023, 20:50
Valid: false

.text
Size: 2.3MB - Virtual size: 2.3MB

.rsrc
Size: 172KB - Virtual size: 171KB

.reloc
Size: 512B - Virtual size: 12B