krek[.]exe | Triage

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General

Target

krek.exe
Size

43.7MB
MD5

7cee387bd43b49f134920ba11e575c03
SHA1

a43d675d0fd7ada973574a094b619aa93dc1c9d9
SHA256

34fb69a6890cab557732da69d4f8dd41511d033a80f50f88b3e63ad84576d3bf
SHA512

991d7e04aa08bd4461a5c4d55b09f59173cb01f82f00ed8a2407ea057976e9a20424b9ce047681ebfaa9b93f93000656e5decd0e28a233a028c469944c15782c
SSDEEP

786432:spcwpMt9/bbxuI6unn78Cb80oZKyw5hXAyLq661xIWY99aWXJev8ALtB:sp6lPxIu7PbteKymOym66sR9aWZW8g

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
krek.exe

Files

krek.exe
.exe windows:6 windows x64 arch:x64

755187c4fd38df84b32c991f2e147879

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

RtlCaptureContext
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress

user32

ShowWindow

shell32

ShellExecuteExA

msvcp140

?_Xlength_error@std@@YAXPEBD@Z

vcruntime140_1

__CxxFrameHandler4

vcruntime140

_CxxThrowException

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

fgetpos

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

_unlock_file

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

_exit

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

_set_new_mode

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: - Virtual size: 18KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 48.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.K;W
Size: - Virtual size: 2.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.gEq
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.r{R
Size: 43.7MB - Virtual size: 43.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 469B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

755187c4fd38df84b32c991f2e147879

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

msvcp140

vcruntime140_1

vcruntime140

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

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

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

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

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

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

Sections

.text Size: - Virtual size: 18KB

.rdata Size: - Virtual size: 48.4MB

.data Size: - Virtual size: 2KB

.pdata Size: - Virtual size: 1KB

.K;W Size: - Virtual size: 2.4MB

.gEq Size: 3KB - Virtual size: 2KB

.r{R Size: 43.7MB - Virtual size: 43.7MB

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

.rsrc Size: 512B - Virtual size: 469B

.text
Size: - Virtual size: 18KB

.rdata
Size: - Virtual size: 48.4MB

.data
Size: - Virtual size: 2KB

.pdata
Size: - Virtual size: 1KB

.K;W
Size: - Virtual size: 2.4MB

.gEq
Size: 3KB - Virtual size: 2KB

.r{R
Size: 43.7MB - Virtual size: 43.7MB

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

.rsrc
Size: 512B - Virtual size: 469B