pollo[.]zip | Triage

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General

Target

pollo.zip
Size

966KB
MD5

eccaf4dad6b8f1ef74797690b2a4f41c
SHA1

6f60ba72647b0691236a34ebf8195af6e3bf4d6a
SHA256

0f93b7f5a166a699e8b661e14369e868cfd5a877b34bc7031c5dcf62c9845a14
SHA512

d8c7df1f0953dc0f2cd5490d32f0ea96eba30fce9b94f4a01ce65340b0f34fa352bce24794606fbc48f2c330a2515b3079db196a3aeee4bb1ba1aff24b0a8e8c
SSDEEP

24576:J/uCGMEfFAb4SnYh4KIbZPP/FVOvvrtgdlZO:NuCGLQ4SnllPNAvvrtGrO

Score

3^/10

Malware Config

Signatures

Unsigned PE 4 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Launcher.exe
unpack001/krem.dll
unpack001/krem.exe
unpack001/setup.exe

Files

pollo.zip
.zip

Password: hi
Launcher.exe
.exe windows:4 windows x86 arch:x86

Password: hi

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

/_/artifacts/obj/Launcher/Release/net45/Launcher.pdb

Imports

mscoree

_CorExeMain

Sections

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

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
krem.application
krem.deps.json
krem.dll
.exe windows:4 windows x86 arch:x86

Password: hi

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\ogrenci\source\repos\krem\krem\obj\Release\net5.0-windows\krem.pdb

Imports

mscoree

_CorExeMain

Sections

.text
Size: 606KB - Virtual size: 605KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 756B

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
krem.exe
.exe windows:6 windows x64 arch:x64

Password: hi

e136c78efac5157bdb78b75c07967d98

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

Imports

kernel32

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

user32

MessageBoxW

shell32

ShellExecuteW

advapi32

RegOpenKeyExW
RegGetValueW
DeregisterEventSource
RegisterEventSourceW
ReportEventW
RegCloseKey

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

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

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

fputwc
__p__commode
_set_fmode
fflush
__stdio_common_vfwprintf
fputws
__acrt_iob_func
__stdio_common_vswprintf
_wfopen
__stdio_common_vsprintf_s
setvbuf

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

free
calloc
_set_new_mode
_callnewh
malloc

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

wcsncmp
_wcsdup
strcspn
strcpy_s
wcsnlen

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

wcstoul
_wtoi

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

localeconv
___mb_cur_max_func
_lock_locales
___lc_codepage_func
___lc_locale_name_func
__pctype_func
setlocale
_configthreadlocale
_unlock_locales

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

frexp
__setusermatherr

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

_time64
_gmtime64
wcsftime

Sections

.text
Size: 78KB - Virtual size: 77KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 34KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 752B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 796B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
krem.pdb
krem.runtimeconfig.json
setup.exe
.exe windows:5 windows x86 arch:x86

Password: hi

4bbd4adfc99174f1d7d82430fab6116e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

Q:\cmd\8\out\binaries\x86ret\bin\i386\Bootstrapper\Engine\setup.pdb

Imports

kernel32

GetNativeSystemInfo
EndUpdateResourceW
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
SetEvent
CreateEventW
LoadResource
LockResource
SizeofResource
FindResourceW
GetEnvironmentVariableW
ExpandEnvironmentStringsW
CreateDirectoryW
DeleteFileW
GetFileAttributesW
GetTempFileNameW
ReadFile
GetCurrentProcessId
GetCurrentProcess
GetSystemInfo
GetSystemDirectoryW
GetWindowsDirectoryW
GetVersionExW
GetModuleFileNameW
GlobalAlloc
GlobalFree
LocalFree
FormatMessageW
CopyFileW
GetDateFormatW
GetTimeFormatW
CompareStringW
WideCharToMultiByte
RaiseException
InitializeCriticalSectionAndSpinCount
Sleep
HeapSetInformation
SetFilePointer
GetDiskFreeSpaceExW
CreateFileW
DeleteCriticalSection
CreateThread
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
lstrlenW
OpenProcess
MulDiv
GetTickCount
GetExitCodeProcess
LoadLibraryW
GetTempPathW
SwitchToThread
FindNextFileW
UpdateResourceA
BeginUpdateResourceA
FindResourceA
lstrlenA
DeleteFileA
CreateFileA
UpdateResourceW
BeginUpdateResourceW
GetVersion
GetEnvironmentVariableA
HeapReAlloc
HeapSize
WriteConsoleW
GetProcessHeap
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetCPInfo
GetOEMCP
IsValidCodePage
FindFirstFileExW
OutputDebugStringW
SetEndOfFile
SetFilePointerEx
ReadConsoleW
GetConsoleMode
GetConsoleCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
HeapFree
HeapAlloc
FindFirstFileW
FindClose
GetProcAddress
FreeLibrary
WaitForSingleObject
GetLastError
CloseHandle
WriteFile
GetFileType
GetStringTypeW
GetACP
GetModuleHandleExW
ExitProcess
MultiByteToWideChar
VirtualProtect
VirtualQuery
GetModuleHandleW
LoadLibraryExA
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
TerminateProcess
RtlUnwind
SetLastError
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
GetStdHandle

gdi32

GetStockObject
EnumFontFamiliesExW
DeleteObject
CreateFontIndirectW
GetObjectW
GetTextMetricsW
SelectObject
GetTextExtentPoint32W
GetDeviceCaps
DeleteDC
CreateCompatibleDC

ole32

CoUninitialize
CoInitialize

secur32

GetComputerObjectNameW

shell32

ShellExecuteExW
SHGetMalloc
SHGetPathFromIDListW
SHGetSpecialFolderLocation
ShellExecuteW
ShellExecuteA

user32

SystemParametersInfoW
IsDialogMessageW
LoadImageW
LoadIconW
LoadCursorW
SetClassLongW
ScreenToClient
GetWindowRect
GetClientRect
SetWindowTextW
ShowScrollBar
SetForegroundWindow
EnableWindow
MsgWaitForMultipleObjects
SetFocus
SendDlgItemMessageW
SetDlgItemTextW
GetDlgItem
CreateDialogIndirectParamW
CreateDialogParamW
MoveWindow
ShowWindow
DestroyWindow
SendMessageW
SendMessageA
PeekMessageW
DispatchMessageW
TranslateMessage
ExitWindowsEx
MessageBoxW
ReleaseDC
GetDC
DrawTextW
GetSystemMetrics
GetDialogBaseUnits
MessageBoxA
SetCursor
GetFocus

crypt32

CertGetCertificateChain
CertFreeCertificateChain
CertVerifyCertificateChainPolicy

wininet

InternetCrackUrlW
InternetCombineUrlW

msi

ord150
ord92
ord8
ord78

Exports

Exports

_DecodePointerInternal@4
_EncodePointerInternal@4

Sections

.text
Size: 374KB - Virtual size: 374KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 265KB - Virtual size: 264KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: hi

Password: hi

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

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

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

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

Password: hi

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 606KB - Virtual size: 605KB

.rsrc Size: 1024B - Virtual size: 756B

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

Password: hi

e136c78efac5157bdb78b75c07967d98

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-locale-l1-1-0

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

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

Sections

.text Size: 78KB - Virtual size: 77KB

.rdata Size: 34KB - Virtual size: 33KB

.data Size: 2KB - Virtual size: 5KB

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

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 1024B - Virtual size: 752B

.reloc Size: 1024B - Virtual size: 796B

Password: hi

4bbd4adfc99174f1d7d82430fab6116e

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

gdi32

ole32

secur32

shell32

user32

crypt32

wininet

msi

Exports

Exports

Sections

.text Size: 374KB - Virtual size: 374KB

.data Size: 5KB - Virtual size: 9KB

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

.rsrc Size: 265KB - Virtual size: 264KB

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

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

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

.text
Size: 606KB - Virtual size: 605KB

.rsrc
Size: 1024B - Virtual size: 756B

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

.text
Size: 78KB - Virtual size: 77KB

.rdata
Size: 34KB - Virtual size: 33KB

.data
Size: 2KB - Virtual size: 5KB

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

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 1024B - Virtual size: 752B

.reloc
Size: 1024B - Virtual size: 796B

.text
Size: 374KB - Virtual size: 374KB

.data
Size: 5KB - Virtual size: 9KB

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

.rsrc
Size: 265KB - Virtual size: 264KB

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