Windows11Upgrade_EN[.]zip

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General

Target

Windows11Upgrade_EN.zip
Size

399KB
MD5

796a0200d5e565a0cc4bc26cf95e99b8
SHA1

01a7589af6dc9d44422996891a536f51d4a73c60
SHA256

989e1ee3fc93cdddfddcf85b4f8cfc85ef4d0bd2a3eefb0588a94c83d9f5ade5
SHA512

aab0e31631b0bdc4033f37f7b340095ec2969de0e7a06dfc40df8abcf619f0f42c1d51e81ba901e243480ec5f390239a305053f4a349e03b570209dca6ff7330
SSDEEP

12288:QYZE8hP0DP5sHZyWAv2VhuQxmL0WQ4RcjY8D:QYZE0256YvIcQx8JQBjHD

Score

3^/10

Malware Config

Signatures

Unsigned PE 3 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Microsoft.Management.Infrastructure.dll
unpack001/System.Management.Automation.dll
unpack001/Windows11Upgrade.exe

Files

Windows11Upgrade_EN.zip
.zip

Password: infected
Microsoft.Management.Infrastructure.dll
.dll windows:4 windows x86 arch:x86

Password: infected

dae02f32a21e03ce65412f6e56942daa

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
IMAGE_FILE_DLL

Imports

mscoree

_CorDllMain

Sections

.text
Size: 28KB - Virtual size: 25KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Newtonsoft.Json.dll
.dll windows:4 windows x86 arch:x86

Password: infected

dae02f32a21e03ce65412f6e56942daa

Code Sign

02:ac:5c:26:6a:0b:40:9b:8f:0b:79:f2:ae:46:25:77
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10/11/2006, 00:00

Not After

10/11/2031, 00:00

Subject

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

07:b0:41:8d:a5:1e:14:8c:33:1b:bc:de:b7:13:83:23
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

27/04/2018, 12:41

Not After

27/04/2028, 12:41

Subject

CN=.NET Foundation Projects Code Signing CA,O=.NET Foundation,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0a:71:a1:b0:c2:96:f5:c7:90:65:47:0a:3c:20:53:7e
Certificate

Issuer

CN=.NET Foundation Projects Code Signing CA,O=.NET Foundation,C=US

Not Before

25/10/2018, 00:00

Not After

29/10/2021, 12:00

Subject

SERIALNUMBER=603 389 068,CN=Json.NET (.NET Foundation),O=Json.NET (.NET Foundation),L=Redmond,ST=wa,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/01/2021, 00:00

Not After

06/01/2031, 00:00

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

07/01/2016, 12:00

Not After

07/01/2031, 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

2e:83:93:14:a9:06:f5:64:04:02:a1:dc:eb:a3:1a:a7:e9:21:c8:88:2c:dd:c2:3c:e4:c0:45:50:4c:ee:75:10
Signer

Actual PE Digest

2e:83:93:14:a9:06:f5:64:04:02:a1:dc:eb:a3:1a:a7:e9:21:c8:88:2c:dd:c2:3c:e4:c0:45:50:4c:ee:75:10

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
IMAGE_FILE_DLL

PDB Paths

/_/Src/Newtonsoft.Json/obj/Release/net45/Newtonsoft.Json.pdb

Imports

mscoree

_CorDllMain

Sections

.text
Size: 675KB - Virtual size: 675KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

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
System.Management.Automation.dll
.dll windows:4 windows x86 arch:x86

Password: infected

dae02f32a21e03ce65412f6e56942daa

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
IMAGE_FILE_DLL

Imports

mscoree

_CorDllMain

Sections

.text
Size: 344KB - Virtual size: 343KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Windows11Upgrade.exe
.exe windows:4 windows x86 arch:x86

Password: infected

f34d5f2d4577ed6d9ceec516c1f5a744

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

C:\Users\coofcookie\source\repos\Windows11Upgrade\Windows11Upgrade\obj\Release\Windows11Upgrade.pdb

Imports

mscoree

_CorExeMain

Sections

.text
Size: 123KB - Virtual size: 122KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

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

Password: infected

Password: infected

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 28KB - Virtual size: 25KB

.reloc Size: 4KB - Virtual size: 12B

Password: infected

dae02f32a21e03ce65412f6e56942daa

Code Sign

02:ac:5c:26:6a:0b:40:9b:8f:0b:79:f2:ae:46:25:77Certificate

Key Usages

07:b0:41:8d:a5:1e:14:8c:33:1b:bc:de:b7:13:83:23Certificate

Extended Key Usages

Key Usages

0a:71:a1:b0:c2:96:f5:c7:90:65:47:0a:3c:20:53:7eCertificate

Extended Key Usages

Key Usages

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

2e:83:93:14:a9:06:f5:64:04:02:a1:dc:eb:a3:1a:a7:e9:21:c8:88:2c:dd:c2:3c:e4:c0:45:50:4c:ee:75:10Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 675KB - Virtual size: 675KB

.rsrc Size: 1KB - Virtual size: 1KB

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

Password: infected

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 344KB - Virtual size: 343KB

.reloc Size: 4KB - Virtual size: 12B

Password: infected

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 123KB - Virtual size: 122KB

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

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

.text
Size: 28KB - Virtual size: 25KB

.reloc
Size: 4KB - Virtual size: 12B

02:ac:5c:26:6a:0b:40:9b:8f:0b:79:f2:ae:46:25:77
Certificate

07:b0:41:8d:a5:1e:14:8c:33:1b:bc:de:b7:13:83:23
Certificate

0a:71:a1:b0:c2:96:f5:c7:90:65:47:0a:3c:20:53:7e
Certificate

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

2e:83:93:14:a9:06:f5:64:04:02:a1:dc:eb:a3:1a:a7:e9:21:c8:88:2c:dd:c2:3c:e4:c0:45:50:4c:ee:75:10
Signer

.text
Size: 675KB - Virtual size: 675KB

.rsrc
Size: 1KB - Virtual size: 1KB

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

.text
Size: 344KB - Virtual size: 343KB

.reloc
Size: 4KB - Virtual size: 12B

.text
Size: 123KB - Virtual size: 122KB

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

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