Static task
static1
Behavioral task
behavioral1
Sample
RO-EXEC KRK.exe
Resource
win10v2004-20240426-en
General
-
Target
RO-EXEC KRK.exe
-
Size
5.0MB
-
MD5
aad84d1a19b00ac058fb9619f544823f
-
SHA1
15bbc48c4d85942ce4aa0689d170e259c60cdc98
-
SHA256
76c1ad2e0d75e2f43d186764fee427e99b772266fbc3e5251d60483e626a9574
-
SHA512
0b415f1c8358d9329038ce4b8acefb3ccbfa6b3063d4114b5d38d5f9612278584023d990fba7c79d7d965d11f58bb9364c3ec31c159a7e9d816a19bf974406be
-
SSDEEP
98304:Qnjq8VJBgQdvUGD4CXiJ3lZR9Azr0eC/gBC5kQ2p6s/KlVGoeTZsdCHmqGf:qRcqUGRXY1FaA5/V5ip6VWXTZsd3qG
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource RO-EXEC KRK.exe
Files
-
RO-EXEC KRK.exe.exe windows:6 windows x64 arch:x64
3b819c3dfb34bc24b00db0746b529d11
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
msvcrt
__C_specific_handler
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_fmode
_initterm
_onexit
_time64
_wcsicmp
_wcsnicmp
abort
calloc
exit
fprintf
free
fwrite
malloc
memcpy
memset
rand
signal
srand
strlen
strncmp
vfprintf
wcscat
wcscpy
wcslen
wcsncmp
wcsstr
kernel32
DeleteCriticalSection
EnterCriticalSection
GetLastError
InitializeCriticalSection
LeaveCriticalSection
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
Sections
.text Size: 39KB - Virtual size: 38KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5.0MB - Virtual size: 5.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 512B - Virtual size: 420B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 120B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ