x[.]zip | Triage

Sharing

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General

Target

x.zip
Size

15.9MB
MD5

651dc9ea3aa661824f4b969f75970b90
SHA1

b647b10c5528121c1e576c48c2d6bb5e4ae3ce8a
SHA256

47b90c3dbb78b886583effafd5ee0c3a751ded598f8007360a6e396b6ed2fab2
SHA512

7cf8c341215b55bfae20e0adefb5027fbfbb5da4fc9169c4cffdcaeb45460a9f27da53bd5c17f78a55cc7279a5ab4c95a2593a0172aa4c0a67dcaece064cd687
SSDEEP

393216:9CFTdfE+vAGMsINw0n41cnVT3f2FYz9Bgy9KSecePJ6bYdKt9ad:Ea+vlG4eT3uFk8yYSecA6YKa

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/win1.exe
unpack001/zpresampler.dll

Files

x.zip
.zip
vs_installer.exe
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

33:00:00:05:56:c9:20:2b:1f:74:32:5d:2d:00:00:00:00:05:56
Certificate

Issuer

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

Not Before

19/10/2023, 19:51

Not After

16/10/2024, 19:51

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

09:00:5e:28:41:b8:2c:b8:f7:f6:21:90:3d:86:c2:81:2f:bd:72:d6:f8:35:49:0d:98:47:11:b0:92:e3:74:bd
Signer

Actual PE Digest

09:00:5e:28:41:b8:2c:b8:f7:f6:21:90:3d:86:c2:81:2f:bd:72:d6:f8:35:49:0d:98:47:11:b0:92:e3:74:bd

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\src\VSInstaller.Managed\obj\Release\net472\vs_installer.pdb

Imports

mscoree

_CorExeMain

Sections

.text
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

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
win1.exe
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

��E
Size: 2.8MB - Virtual size: 2.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

��A
Size: 82KB - Virtual size: 81KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 1.0MB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 40B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 209KB - Virtual size: 209KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2.6MB - Virtual size: 2.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
zpresampler.dll
.dll windows:5 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
IMAGE_FILE_BYTES_REVERSED_HI

Sections

Size: 3.4MB - Virtual size: 9.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Size: 12KB - Virtual size: 24KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Size: 66KB - Virtual size: 165KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: - Virtual size: 34KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 1KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 2KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 512B - Virtual size: 645B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 512B - Virtual size: 69B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 444KB - Virtual size: 823KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Size: 308KB - Virtual size: 3.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 6.6MB - Virtual size: 28.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.edata
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 1KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.themida
Size: - Virtual size: 6.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.boot
Size: 3.5MB - Virtual size: 3.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

33:00:00:05:56:c9:20:2b:1f:74:32:5d:2d:00:00:00:00:05:56Certificate

Extended Key Usages

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

Key Usages

09:00:5e:28:41:b8:2c:b8:f7:f6:21:90:3d:86:c2:81:2f:bd:72:d6:f8:35:49:0d:98:47:11:b0:92:e3:74:bdSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 19KB - Virtual size: 18KB

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

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

Headers

File Characteristics

Sections

���E Size: 2.8MB - Virtual size: 2.8MB

���A Size: 82KB - Virtual size: 81KB

BSS Size: - Virtual size: 1.0MB

.idata Size: 15KB - Virtual size: 15KB

.tls Size: - Virtual size: 40B

.rdata Size: 512B - Virtual size: 24B

.reloc Size: 209KB - Virtual size: 209KB

.rsrc Size: 2.6MB - Virtual size: 2.6MB

Headers

File Characteristics

Sections

Size: 3.4MB - Virtual size: 9.4MB

Size: 12KB - Virtual size: 24KB

Size: 66KB - Virtual size: 165KB

Size: - Virtual size: 34KB

Size: 1KB - Virtual size: 19KB

Size: 2KB - Virtual size: 5KB

Size: 512B - Virtual size: 645B

Size: 512B - Virtual size: 69B

Size: 444KB - Virtual size: 823KB

Size: 308KB - Virtual size: 3.4MB

Size: 6.6MB - Virtual size: 28.2MB

.edata Size: 1024B - Virtual size: 4KB

.idata Size: 1KB - Virtual size: 4KB

.rsrc Size: 1024B - Virtual size: 4KB

.themida Size: - Virtual size: 6.1MB

.boot Size: 3.5MB - Virtual size: 3.5MB

33:00:00:05:56:c9:20:2b:1f:74:32:5d:2d:00:00:00:00:05:56
Certificate

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

09:00:5e:28:41:b8:2c:b8:f7:f6:21:90:3d:86:c2:81:2f:bd:72:d6:f8:35:49:0d:98:47:11:b0:92:e3:74:bd
Signer

.text
Size: 19KB - Virtual size: 18KB

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

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

��E
Size: 2.8MB - Virtual size: 2.8MB

��A
Size: 82KB - Virtual size: 81KB

BSS
Size: - Virtual size: 1.0MB

.idata
Size: 15KB - Virtual size: 15KB

.tls
Size: - Virtual size: 40B

.rdata
Size: 512B - Virtual size: 24B

.reloc
Size: 209KB - Virtual size: 209KB

.rsrc
Size: 2.6MB - Virtual size: 2.6MB

.edata
Size: 1024B - Virtual size: 4KB

.idata
Size: 1KB - Virtual size: 4KB

.rsrc
Size: 1024B - Virtual size: 4KB

.themida
Size: - Virtual size: 6.1MB

.boot
Size: 3.5MB - Virtual size: 3.5MB