nexus[.]rar | Triage

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General

Target

nexus.rar
Size

17.8MB
MD5

566be978c98ba48e2548f45dd720753e
SHA1

83c51d6a5708d871f1f5232e26dd9613ee3adf0c
SHA256

f2dcb9657285c7885a7dcfe8e1a9c83e9dca84a3b35912f28d833083de5fd6e5
SHA512

270c5a99c88c2fac175862afa41d799a12eaec73a6271c609f18eed47bd80f2280c6923422ee971a19d8495184ad02f117b5bba8180081d3d81b331e2167e277
SSDEEP

393216:BTgyWfL6A2ZSk2Q8GygkyzotsIgjQhr83gBfSSbIXjHBnacdPvj7AYyL:zWj6A7k38GfkyYdg8qpUupxdPvPAV

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/nexus/Nexus_PTO.exe
unpack001/nexus/stk.dll

Files

nexus.rar
.rar
nexus/Nexus_PTO.exe
.exe windows x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Exports

Exports

_cgo_dummy_export
authorizerTrampoline
callbackTrampoline
commitHookTrampoline
compareTrampoline
doneTrampoline
preUpdateHookTrampoline
rollbackHookTrampoline
stepTrampoline
updateHookTrampoline

Sections

Size: 2.0MB - Virtual size: 4.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Size: 114KB - Virtual size: 319KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 1.5MB - Virtual size: 3.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 14KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 4KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 398KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 512B - Virtual size: 345B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 512B - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 512B - Virtual size: 104B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 17KB - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.edata
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 4KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.themida
Size: - Virtual size: 18.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.boot
Size: 11.1MB - Virtual size: 11.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 16B - Virtual size: 4KB

IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
nexus/PTOAuth.dll
.dll windows x64

4453de7a211a4e62586f684333e33f76

Code Sign

1c:61:33:df:84:c8:81:cd:c0:1f:82:77:4d:bf:e2:4b
Certificate

Issuer

CN=Patched.to Code Signing Certificate,OU=Development and research,O=Patched.to,1.2.840.113549.1.9.1=#0c1061646d696e40706174636865642e746f

Not Before

30/06/2021, 06:49

Not After

30/06/2026, 06:49

Subject

CN=Patched.to Code Signing Certificate,OU=Development and research,O=Patched.to,1.2.840.113549.1.9.1=#0c1061646d696e40706174636865642e746f

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

1c:61:33:df:84:c8:81:cd:c0:1f:82:77:4d:bf:e2:4b
Certificate

Issuer

CN=Patched.to Code Signing Certificate,OU=Development and research,O=Patched.to,1.2.840.113549.1.9.1=#0c1061646d696e40706174636865642e746f

Not Before

30/06/2021, 06:49

Not After

30/06/2026, 06:49

Subject

CN=Patched.to Code Signing Certificate,OU=Development and research,O=Patched.to,1.2.840.113549.1.9.1=#0c1061646d696e40706174636865642e746f

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

75:c1:88:33:74:08:12:a3:88:11:a8:c2:20:16:ed:20:4e:dd:5a:5f:ea:70:52:39:7e:65:54:e7:83:74:d1:97
Signer

Actual PE Digest

75:c1:88:33:74:08:12:a3:88:11:a8:c2:20:16:ed:20:4e:dd:5a:5f:ea:70:52:39:7e:65:54:e7:83:74:d1:97

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Patched.to Code Signing Certificate,OU=Development and research,O=Patched.to,1.2.840.113549.1.9.1=#0c1061646d696e40706174636865642e746f

06/08/2021, 11:23
Valid: false

29:19:8f:99:bf:0c:d9:29:c7:4c:1c:5e:0a:fa:fd:20:0e:c9:e8:24
Signer

Actual PE Digest

29:19:8f:99:bf:0c:d9:29:c7:4c:1c:5e:0a:fa:fd:20:0e:c9:e8:24

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Patched.to Code Signing Certificate,OU=Development and research,O=Patched.to,1.2.840.113549.1.9.1=#0c1061646d696e40706174636865642e746f

06/08/2021, 11:23
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

CreateFileW
GetCurrentProcess
LocalAlloc
GetCurrentProcess
GetCurrentThread
LocalFree
GetModuleFileNameW
GetProcessAffinityMask
SetProcessAffinityMask
SetThreadAffinityMask
Sleep
ExitProcess
GetLastError
FreeLibrary
LoadLibraryA
GetModuleHandleA
GetProcAddress

user32

MessageBoxTimeoutA
CharUpperBuffW

winhttp

WinHttpReceiveResponse

crypt32

CertCloseStore

bcrypt

BCryptEncrypt

wintrust

WinVerifyTrust

credui

CredUnPackAuthenticationBufferW

wtsapi32

WTSSendMessageW

advapi32

RegQueryValueExA
OpenSCManagerW
EnumServicesStatusExW
OpenServiceW
QueryServiceConfigW
CloseServiceHandle

Exports

Exports

PTOAuthCredential
PTOAuthFree
PTOAuthGet
PTOAuthSize

Sections

.text
Size: - Virtual size: 171KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 81KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pto0
Size: - Virtual size: 2.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.pto1
Size: 2.3MB - Virtual size: 2.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 36B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 868B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
nexus/config.json
nexus/stk.dll
.dll windows x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

Size: - Virtual size: 376KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 914KB - Virtual size: 916KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

Size: 2.0MB - Virtual size: 4.8MB

Size: 114KB - Virtual size: 319KB

Size: 1.5MB - Virtual size: 3.8MB

Size: 14KB - Virtual size: 23KB

Size: 4KB - Virtual size: 25KB

.bss Size: - Virtual size: 398KB

Size: 512B - Virtual size: 345B

Size: 512B - Virtual size: 5KB

Size: 512B - Virtual size: 104B

Size: 512B - Virtual size: 16B

Size: 5KB - Virtual size: 5KB

Size: 17KB - Virtual size: 65KB

.edata Size: 512B - Virtual size: 4KB

.idata Size: 512B - Virtual size: 4KB

.tls Size: 512B - Virtual size: 4KB

.rsrc Size: 5KB - Virtual size: 5KB

.themida Size: - Virtual size: 18.6MB

.boot Size: 11.1MB - Virtual size: 11.1MB

.reloc Size: 16B - Virtual size: 4KB

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

4453de7a211a4e62586f684333e33f76

Code Sign

1c:61:33:df:84:c8:81:cd:c0:1f:82:77:4d:bf:e2:4bCertificate

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

1c:61:33:df:84:c8:81:cd:c0:1f:82:77:4d:bf:e2:4bCertificate

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

75:c1:88:33:74:08:12:a3:88:11:a8:c2:20:16:ed:20:4e:dd:5a:5f:ea:70:52:39:7e:65:54:e7:83:74:d1:97Signer

Signature Validations

Verification

06/08/2021, 11:23 Valid: false

29:19:8f:99:bf:0c:d9:29:c7:4c:1c:5e:0a:fa:fd:20:0e:c9:e8:24Signer

Signature Validations

Verification

06/08/2021, 11:23 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

winhttp

crypt32

bcrypt

wintrust

credui

wtsapi32

advapi32

Exports

Exports

Sections

.text Size: - Virtual size: 171KB

.rdata Size: - Virtual size: 81KB

.data Size: - Virtual size: 10KB

.pdata Size: - Virtual size: 9KB

_RDATA Size: - Virtual size: 244B

.bss
Size: - Virtual size: 398KB

.edata
Size: 512B - Virtual size: 4KB

.idata
Size: 512B - Virtual size: 4KB

.tls
Size: 512B - Virtual size: 4KB

.rsrc
Size: 5KB - Virtual size: 5KB

.themida
Size: - Virtual size: 18.6MB

.boot
Size: 11.1MB - Virtual size: 11.1MB

.reloc
Size: 16B - Virtual size: 4KB

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

1c:61:33:df:84:c8:81:cd:c0:1f:82:77:4d:bf:e2:4b
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

1c:61:33:df:84:c8:81:cd:c0:1f:82:77:4d:bf:e2:4b
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

75:c1:88:33:74:08:12:a3:88:11:a8:c2:20:16:ed:20:4e:dd:5a:5f:ea:70:52:39:7e:65:54:e7:83:74:d1:97
Signer

06/08/2021, 11:23
Valid: false

29:19:8f:99:bf:0c:d9:29:c7:4c:1c:5e:0a:fa:fd:20:0e:c9:e8:24
Signer

06/08/2021, 11:23
Valid: false

.text
Size: - Virtual size: 171KB

.rdata
Size: - Virtual size: 81KB

.data
Size: - Virtual size: 10KB

.pdata
Size: - Virtual size: 9KB

_RDATA
Size: - Virtual size: 244B

.pto0
Size: - Virtual size: 2.3MB

.pto1
Size: 2.3MB - Virtual size: 2.3MB

.reloc
Size: 512B - Virtual size: 36B

.rsrc
Size: 1024B - Virtual size: 868B