psr[.]exe | Triage

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02-12-2024 01:29

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01-12-2024 01:16

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30-11-2024 23:55

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30-11-2024 23:35

30-11-2024 22:13

27-11-2024 20:24

26-11-2024 17:03

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General

Target

psr.exe
Size

13.4MB
MD5

33c9518c086d0cca4a636bc86728485e
SHA1

2420ad25e243ab8905b49f60fe7fb96590661f50
SHA256

ba30ea16cd8fbd9209d40ae193206ad00f042d100524cf310982c33369325ca2
SHA512

6c2c470607b88e7cd79411b7a645b395cee3306a23e6ba50b8ac57f7d5529a1b350c34e19da69aeb1ffade44d5187b4a1ef209a53d21a83e9e35add10fc7867d
SSDEEP

49152:W/XzWTJmbjeHLKLpyNpaQ+69tPvGUmskDXs4Awd9CBqcUiInvlT2hPnXiwzYJ33S:W/EmGrKL2pllzP+UNkEARmzY1C

Score

1^/10

Malware Config

Signatures

Files

psr.exe
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

33:00:00:03:4d:4e:91:a6:1a:28:b0:78:8f:00:00:00:00:03:4d
Certificate

Issuer

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

Not Before

16-03-2023 18:43

Not After

14-03-2024 18:43

Subject

CN=Microsoft Corporation,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

a9:12:3e:fe:bb:fa:4c:2f:a4:87:e1:0a:16:40:49:03:ac:af:5e:4d:85:e6:63:cd:b6:5c:c9:4c:c9:7a:b8:1e
Signer

Actual PE Digest

a9:12:3e:fe:bb:fa:4c:2f:a4:87:e1:0a:16:40:49:03:ac:af:5e:4d:85:e6:63:cd:b6:5c:c9:4c:c9:7a:b8:1e

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE

PDB Paths

D:\a\_work\1\s\XboxInstaller\obj\DefaultTheme\XboxInstaller.pdb

Imports

mscoree

_CorExeMain

Sections

.text
Size: 13.4MB - Virtual size: 13.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 10KB - Virtual size: 9KB

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

Resubmissions

Sharing

General

Malware Config

Signatures

Files

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

33:00:00:03:4d:4e:91:a6:1a:28:b0:78:8f:00:00:00:00:03:4dCertificate

Extended Key Usages

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

Key Usages

a9:12:3e:fe:bb:fa:4c:2f:a4:87:e1:0a:16:40:49:03:ac:af:5e:4d:85:e6:63:cd:b6:5c:c9:4c:c9:7a:b8:1eSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 13.4MB - Virtual size: 13.4MB

.rsrc Size: 10KB - Virtual size: 9KB

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

33:00:00:03:4d:4e:91:a6:1a:28:b0:78:8f:00:00:00:00:03:4d
Certificate

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

a9:12:3e:fe:bb:fa:4c:2f:a4:87:e1:0a:16:40:49:03:ac:af:5e:4d:85:e6:63:cd:b6:5c:c9:4c:c9:7a:b8:1e
Signer

.text
Size: 13.4MB - Virtual size: 13.4MB

.rsrc
Size: 10KB - Virtual size: 9KB

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