skreech[.]exe | Triage

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General

Target

skreech.exe
Size

27.9MB
MD5

e8f98885d842eb18a1cf3abb9ffbd267
SHA1

c7cde8cce0af16bcb379531fc4b5d7423159a1c3
SHA256

e7c39585946fc9aa5295c4962963d6238aabfc778651c17fb3abeefa1d0a3007
SHA512

a05aa343fc9355bf17aff64d0798cc436b1bcb88c658313cc5f98791c4fb10f2aa1d3d8d70f1e73122224ed02ddd2fe6f45d41c7cbcc04580753e0648c39eec1
SSDEEP

393216:rFjohd8QUhItclpe76DrCMTey8jL7yVPJ8CKIQbdesSDmI8Ke0+jKNv5Kaq:rFjKuhsIrteyC7OPGCodJSDb8ppKp5

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
skreech.exe

Files

skreech.exe
.exe windows:6 windows x64 arch:x64

d341c38557c419704106fcbade2e4659

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

TerminateProcess
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress

user32

MessageBoxA

advapi32

OpenSCManagerW

ole32

CoInitializeEx

oleaut32

VariantClear

crypt32

CryptUnprotectMemory

winhttp

WinHttpSetStatusCallback

ntdll

RtlVirtualUnwind

version

GetFileVersionInfoSizeW

bcrypt

BCryptDestroyHash

Sections

.text
Size: - Virtual size: 1.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 277KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 86KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.<$J
Size: - Virtual size: 16.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.9ZE
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

._T[
Size: 27.9MB - Virtual size: 27.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 284B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d341c38557c419704106fcbade2e4659

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

ole32

oleaut32

crypt32

winhttp

ntdll

version

bcrypt

Sections

.text Size: - Virtual size: 1.0MB

.rdata Size: - Virtual size: 277KB

.data Size: - Virtual size: 86KB

.pdata Size: - Virtual size: 65KB

_RDATA Size: - Virtual size: 500B

.<$J Size: - Virtual size: 16.9MB

.9ZE Size: 3KB - Virtual size: 3KB

._T[ Size: 27.9MB - Virtual size: 27.9MB

.reloc Size: 512B - Virtual size: 284B

.rsrc Size: 512B - Virtual size: 480B

.text
Size: - Virtual size: 1.0MB

.rdata
Size: - Virtual size: 277KB

.data
Size: - Virtual size: 86KB

.pdata
Size: - Virtual size: 65KB

_RDATA
Size: - Virtual size: 500B

.<$J
Size: - Virtual size: 16.9MB

.9ZE
Size: 3KB - Virtual size: 3KB

._T[
Size: 27.9MB - Virtual size: 27.9MB

.reloc
Size: 512B - Virtual size: 284B

.rsrc
Size: 512B - Virtual size: 480B