CImageGen[.]zip

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General

Target

CImageGen.zip
Size

346KB
MD5

dff04a2b30e0ef681894d751b956c302
SHA1

099673bf486c301ee8fa9d3528d4301cc6c3b6ad
SHA256

39846248d74edc998604565f7b3d9acf54ccd3db1b6f9f7fe80ec12fb9ea5b16
SHA512

caec3a91c9778849471a4b43a6fafb0e69a7317980f4523fd30205944cfad8b7b186506c73e7832935ad23d16681b058d507fc4d10a2eb711514b1f8f40d01f1
SSDEEP

6144:QjExK+md4s3jeH6m82KIeS9OL4THBAoKKzKqmqItQ7UCyUGWctDybov0gD30fj2M:QNfP3jeHR8seS9jTHnbItPCyxJt2g4bT

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/C#ImageGen.exe
unpack001/ImageGen.dll

Files

CImageGen.zip
.zip
C#ImageGen.exe
.exe windows:6 windows x64 arch:x64

6a91eb82bfd19d2706c7d43c46f7064e

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

PDB Paths

D:\a\_work\1\s\artifacts\obj\win-x64.Release\corehost\apphost\standalone\apphost.pdb

Imports

kernel32

FreeLibrary
LoadLibraryExW
OutputDebugStringW
FindFirstFileExW
EnterCriticalSection
GetFullPathNameW
FindNextFileW
GetCurrentProcess
GetModuleHandleExW
GetModuleFileNameW
LeaveCriticalSection
GetEnvironmentVariableW
GetModuleHandleW
MultiByteToWideChar
GetFileAttributesExW
LoadLibraryA
DeleteCriticalSection
WideCharToMultiByte
IsWow64Process
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
GetProcAddress
GetWindowsDirectoryW
FindResourceW
GetLastError
ActivateActCtx
FindClose
CreateActCtxW
SetLastError
RaiseException
RtlPcToFileHeader
RtlUnwindEx
InitializeSListHead
GetCurrentProcessId
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetStringTypeW
SwitchToThread
GetCurrentThreadId
InitializeCriticalSectionEx
EncodePointer
DecodePointer
LCMapStringEx
QueryPerformanceCounter
GetSystemTimeAsFileTime

user32

MessageBoxW

shell32

ShellExecuteW

advapi32

RegOpenKeyExW
RegGetValueW
DeregisterEventSource
RegisterEventSourceW
ReportEventW
RegCloseKey

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

_invalid_parameter_noinfo_noreturn
_exit
exit
_initterm_e
_initterm
_get_initial_wide_environment
_initialize_wide_environment
_configure_wide_argv
_set_app_type
_seh_filter_exe
_cexit
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_errno
abort
__p___wargv
_c_exit
_register_thread_local_exe_atexit_callback
terminate
__p___argc

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

__acrt_iob_func
fputwc
__p__commode
_set_fmode
fputws
_wfsopen
fflush
__stdio_common_vfwprintf
__stdio_common_vsnwprintf_s
__stdio_common_vswprintf
setvbuf

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

calloc
_set_new_mode
free
_callnewh
malloc

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

toupper
_wcsdup
wcsncmp
wcsnlen
strcpy_s

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

wcstoul
_wtoi

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

_gmtime64_s
_time64
wcsftime

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

setlocale
___mb_cur_max_func
_configthreadlocale
___lc_codepage_func
___lc_locale_name_func
__pctype_func
_lock_locales
_unlock_locales

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

__setusermatherr

Sections

.text
Size: 90KB - Virtual size: 90KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 37KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 792B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
ImageGen.deps.json
ImageGen.dll
.exe windows:4 windows x86 arch:x86

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\Exola\source\repos\API\ImageGen\obj\Debug\net8.0\ImageGen.pdb

Imports

mscoree

_CorExeMain

Sections

.text
Size: 11KB - Virtual size: 10KB

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
ImageGen.pdb
ImageGen.runtimeconfig.json
Newtonsoft.Json.dll
.dll windows:4 windows x86 arch:x86

dae02f32a21e03ce65412f6e56942daa

Code Sign

06:ce:e1:31:be:6d:55:c8:07:f7:c0:c7:fb:44:e6:20
Certificate

Issuer

CN=DigiCert CS RSA4096 Root G5,O=DigiCert\, Inc.,C=US

Not Before

15/01/2021, 00:00

Not After

14/01/2046, 23:59

Subject

CN=DigiCert CS RSA4096 Root G5,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0a:de:32:e9:50:9b:44:aa:34:b1:da:f1:bc:0e:c8:73
Certificate

Issuer

CN=DigiCert CS RSA4096 Root G5,O=DigiCert\, Inc.,C=US

Not Before

15/07/2021, 00:00

Not After

14/07/2031, 23:59

Subject

CN=.NET Foundation Projects Code Signing CA2,O=.NET Foundation,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:d1:40:7a:5a:bd:ed:43:d5:c1:73:12:1d:38:c5:29
Certificate

Issuer

CN=.NET Foundation Projects Code Signing CA2,O=.NET Foundation,C=US

Not Before

13/08/2021, 00:00

Not After

29/10/2024, 23:59

Subject

SERIALNUMBER=603 389 068,CN=Json.NET (.NET Foundation),O=Json.NET (.NET Foundation),L=Redmond,ST=Washington,C=US,1.3.6.1.4.1.311.60.2.1.2=#130a57617368696e67746f6e,1.3.6.1.4.1.311.60.2.1.3=#13025553,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

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

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

12:a2:f8:77:6a:5b:04:46:97:f9:ac:0c:85:0b:b9:3c:9d:a2:ac:a9:a3:72:91:5b:d9:ed:db:47:d0:c2:9e:3d
Signer

Actual PE Digest

12:a2:f8:77:6a:5b:04:46:97:f9:ac:0c:85:0b:b9:3c:9d:a2:ac:a9:a3:72:91:5b:d9:ed:db:47:d0:c2:9e:3d

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/net6.0/Newtonsoft.Json.pdb

Imports

mscoree

_CorDllMain

Sections

.text
Size: 681KB - Virtual size: 681KB

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

Sharing

General

Malware Config

Signatures

Files

6a91eb82bfd19d2706c7d43c46f7064e

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

shell32

advapi32

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

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

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

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

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

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

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

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

Sections

.text Size: 90KB - Virtual size: 90KB

.rdata Size: 37KB - Virtual size: 37KB

.data Size: 2KB - Virtual size: 6KB

.pdata Size: 5KB - Virtual size: 4KB

_RDATA Size: 512B - Virtual size: 500B

.reloc Size: 1024B - Virtual size: 792B

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

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 11KB - Virtual size: 10KB

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

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

dae02f32a21e03ce65412f6e56942daa

Code Sign

06:ce:e1:31:be:6d:55:c8:07:f7:c0:c7:fb:44:e6:20Certificate

Key Usages

0a:de:32:e9:50:9b:44:aa:34:b1:da:f1:bc:0e:c8:73Certificate

Extended Key Usages

Key Usages

0c:d1:40:7a:5a:bd:ed:43:d5:c1:73:12:1d:38:c5:29Certificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

12:a2:f8:77:6a:5b:04:46:97:f9:ac:0c:85:0b:b9:3c:9d:a2:ac:a9:a3:72:91:5b:d9:ed:db:47:d0:c2:9e:3dSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 681KB - Virtual size: 681KB

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

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

.text
Size: 90KB - Virtual size: 90KB

.rdata
Size: 37KB - Virtual size: 37KB

.data
Size: 2KB - Virtual size: 6KB

.pdata
Size: 5KB - Virtual size: 4KB

_RDATA
Size: 512B - Virtual size: 500B

.reloc
Size: 1024B - Virtual size: 792B

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

.text
Size: 11KB - Virtual size: 10KB

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

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

06:ce:e1:31:be:6d:55:c8:07:f7:c0:c7:fb:44:e6:20
Certificate

0a:de:32:e9:50:9b:44:aa:34:b1:da:f1:bc:0e:c8:73
Certificate

0c:d1:40:7a:5a:bd:ed:43:d5:c1:73:12:1d:38:c5:29
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

12:a2:f8:77:6a:5b:04:46:97:f9:ac:0c:85:0b:b9:3c:9d:a2:ac:a9:a3:72:91:5b:d9:ed:db:47:d0:c2:9e:3d
Signer

.text
Size: 681KB - Virtual size: 681KB

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

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