Note[.]iso | Triage

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General

Target

Note.iso
Size

2.6MB
MD5

0e5ed33778ee9c020aa067546384abcb
SHA1

fbb482415f5312ed64b3a0ebee7fed5e6610c21a
SHA256

d1455c42553fab54e78c874525c812aaefb1f3cc69f9c314649bd6e4e57b9fa9
SHA512

bc834be05fcd8095e283169397d4deacba3b5cc8dcd41c1ec173fbbe32c52ab1308fb536c0679712c1586b462a628b736b2ea1797bff2133718fd70d55920dfa
SSDEEP

12288:3syCEokhlQEyYVxErQPpQWkxsluNPqrEdrEB:cyCLkByL8pQWTluNCodoB

Score

3^/10

Malware Config

Signatures

Unsigned PE 4 IoCs

Checks for missing Authenticode signature.

resource
unpack001/APPVISVS.DLL
unpack001/ENVSRV.DLL
unpack001/MSCHOST.DLL
unpack001/MSWORD.DLL

Files

Note.iso
.iso
APPVISVS.DLL
.dll windows x64

c3bd35979bb483438c0ff19de68b0225

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

GetCurrentThreadId
SuspendThread
Sleep
CreateThread
OpenThread
ResetEvent
SetEvent
DeleteCriticalSection
InitializeSListHead
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
CloseHandle
CreateEventW
GetModuleHandleW
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetProcAddress
WaitForSingleObjectEx

user32

MessageBoxA

vcruntime140

__std_type_info_destroy_list
__C_specific_handler
memset
memcpy

api-ms-win-crt-stdio-l1-1-0

__stdio_common_vsprintf_s

api-ms-win-crt-runtime-l1-1-0

_crt_atexit
_execute_onexit_table
_register_onexit_function
_cexit
_initialize_narrow_environment
_seh_filter_dll
_initterm_e
_initterm
_initialize_onexit_table
_configure_narrow_argv

Exports

Exports

APIExportForDetours
CurrentThreadIsVirtualized
IsProcessHooked
RequestUnhookedFunctionList
VirtualizeCurrentProcess
VirtualizeCurrentThread

Sections

.text
Size: 18KB - Virtual size: 17KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 696B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 52B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
ENVSRV.DLL
.dll windows x64

d26c98c723fc2ca5f1e0ed657432bc22

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

CloseHandle
SetEvent
InitializeSListHead
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
GetProcAddress
RtlCaptureContext
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
ResetEvent

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__std_exception_copy
memcpy
__std_type_info_destroy_list
__std_exception_destroy
__C_specific_handler
__std_terminate
memset
_CxxThrowException

api-ms-win-crt-runtime-l1-1-0

_crt_atexit
_execute_onexit_table
_register_onexit_function
_initialize_narrow_environment
_configure_narrow_argv
_seh_filter_dll
_initterm_e
_initterm
_cexit
_initialize_onexit_table

api-ms-win-crt-heap-l1-1-0

_callnewh
malloc
free

Exports

Exports

unify

Sections

.text
Size: 45KB - Virtual size: 45KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 864B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 92B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
MSCHOST.DLL
.dll windows x64

5d4f67aba37a4e6673982d81a1aae8d0

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

CloseHandle
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsDebuggerPresent
GetProcAddress
GetModuleHandleW
CreateEventW
WaitForSingleObjectEx
ResetEvent
SetEvent
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlCaptureContext
RtlLookupFunctionEntry

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__std_terminate
__C_specific_handler
memset
__std_type_info_destroy_list
memcpy

api-ms-win-crt-runtime-l1-1-0

_initterm
_initialize_onexit_table
_seh_filter_dll
_configure_narrow_argv
_register_onexit_function
_execute_onexit_table
_crt_atexit
_cexit
_initialize_narrow_environment
_initterm_e

Exports

Exports

create

Sections

.text
Size: 121KB - Virtual size: 121KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 266KB - Virtual size: 265KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 266KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 192B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
MSWORD.DLL
.dll windows x64

07d03b07776d913ac6df605d2efc9b58

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

CloseHandle
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsDebuggerPresent
GetProcAddress
GetModuleHandleW
CreateEventW
WaitForSingleObjectEx
ResetEvent
SetEvent
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

vcruntime140_1

__CxxFrameHandler4

vcruntime140

memcpy
__C_specific_handler
memset
__std_type_info_destroy_list
__std_terminate

api-ms-win-crt-utility-l1-1-0

rand

api-ms-win-crt-runtime-l1-1-0

_configure_narrow_argv
_initterm
_initialize_narrow_environment
_initialize_onexit_table
_initterm_e
_register_onexit_function
_execute_onexit_table
_crt_atexit
_cexit
_seh_filter_dll

Exports

Exports

get

Sections

.text
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 840B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 52B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
NOTE____.EXE
.exe windows x64

Code Sign

33:00:00:03:de:8d:56:82:5a:f1:a4:a9:67:00:00:00:00:03:de
Certificate

Issuer

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

Not Before

15/12/2020, 21:24

Not After

02/12/2021, 21:24

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

33:00:00:01:e2:f1:7d:92:02:0e:49:f8:7f:00:00:00:00:01:e2
Certificate

Issuer

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

Not Before

15/12/2020, 21:31

Not After

02/12/2021, 21:31

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

90:62:0a:a0:c9:39:1a:06:c5:b3:99:c3:15:e0:bb:3b:f2:da:28:2a:07:e0:19:eb:55:23:d6:69:f6:85:27:eb
Signer

Actual PE Digest

90:62:0a:a0:c9:39:1a:06:c5:b3:99:c3:15:e0:bb:3b:f2:da:28:2a:07:e0:19:eb:55:23:d6:69:f6:85:27:eb

Digest Algorithm

sha256

PE Digest Matches

true

90:62:0a:a0:c9:39:1a:06:c5:b3:99:c3:15:e0:bb:3b:f2:da:28:2a:07:e0:19:eb:55:23:d6:69:f6:85:27:eb
Signer

Actual PE Digest

90:62:0a:a0:c9:39:1a:06:c5:b3:99:c3:15:e0:bb:3b:f2:da:28:2a:07:e0:19:eb:55:23:d6:69:f6:85:27:eb

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_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Exports

Exports

DllGetLCID

Sections

.text
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.c2r
Size: 512B - Virtual size: 356B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 120B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c3bd35979bb483438c0ff19de68b0225

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

vcruntime140

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-runtime-l1-1-0

Exports

Exports

Sections

.text Size: 18KB - Virtual size: 17KB

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

.data Size: 512B - Virtual size: 3KB

.pdata Size: 1024B - Virtual size: 696B

.reloc Size: 512B - Virtual size: 52B

d26c98c723fc2ca5f1e0ed657432bc22

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

vcruntime140_1

vcruntime140

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-heap-l1-1-0

Exports

Exports

Sections

.text Size: 45KB - Virtual size: 45KB

.rdata Size: 7KB - Virtual size: 7KB

.data Size: 512B - Virtual size: 7KB

.pdata Size: 1024B - Virtual size: 864B

.reloc Size: 512B - Virtual size: 92B

5d4f67aba37a4e6673982d81a1aae8d0

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

vcruntime140_1

vcruntime140

api-ms-win-crt-runtime-l1-1-0

Exports

Exports

Sections

.text Size: 121KB - Virtual size: 121KB

.rdata Size: 266KB - Virtual size: 265KB

.data Size: 512B - Virtual size: 266KB

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

.reloc Size: 512B - Virtual size: 192B

07d03b07776d913ac6df605d2efc9b58

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

vcruntime140_1

vcruntime140

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-runtime-l1-1-0

Exports

Exports

Sections

.text Size: 44KB - Virtual size: 43KB

.rdata Size: 6KB - Virtual size: 5KB

.data Size: 512B - Virtual size: 5KB

.pdata Size: 1024B - Virtual size: 840B

.reloc Size: 512B - Virtual size: 52B

Code Sign

33:00:00:03:de:8d:56:82:5a:f1:a4:a9:67:00:00:00:00:03:deCertificate

Extended Key Usages

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

.text
Size: 18KB - Virtual size: 17KB

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

.data
Size: 512B - Virtual size: 3KB

.pdata
Size: 1024B - Virtual size: 696B

.reloc
Size: 512B - Virtual size: 52B

.text
Size: 45KB - Virtual size: 45KB

.rdata
Size: 7KB - Virtual size: 7KB

.data
Size: 512B - Virtual size: 7KB

.pdata
Size: 1024B - Virtual size: 864B

.reloc
Size: 512B - Virtual size: 92B

.text
Size: 121KB - Virtual size: 121KB

.rdata
Size: 266KB - Virtual size: 265KB

.data
Size: 512B - Virtual size: 266KB

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

.reloc
Size: 512B - Virtual size: 192B

.text
Size: 44KB - Virtual size: 43KB

.rdata
Size: 6KB - Virtual size: 5KB

.data
Size: 512B - Virtual size: 5KB

.pdata
Size: 1024B - Virtual size: 840B

.reloc
Size: 512B - Virtual size: 52B

33:00:00:03:de:8d:56:82:5a:f1:a4:a9:67:00:00:00:00:03:de
Certificate

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

33:00:00:01:e2:f1:7d:92:02:0e:49:f8:7f:00:00:00:00:01:e2
Certificate

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

90:62:0a:a0:c9:39:1a:06:c5:b3:99:c3:15:e0:bb:3b:f2:da:28:2a:07:e0:19:eb:55:23:d6:69:f6:85:27:eb
Signer

90:62:0a:a0:c9:39:1a:06:c5:b3:99:c3:15:e0:bb:3b:f2:da:28:2a:07:e0:19:eb:55:23:d6:69:f6:85:27:eb
Signer

.text
Size: 15KB - Virtual size: 14KB

.rdata
Size: 9KB - Virtual size: 9KB

.data
Size: 1024B - Virtual size: 2KB

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

.didat
Size: 512B - Virtual size: 16B

.c2r
Size: 512B - Virtual size: 356B

.rsrc
Size: 1.5MB - Virtual size: 1.5MB

.reloc
Size: 512B - Virtual size: 120B