Behavioral task
behavioral1
Sample
Build.exe
Resource
win10v2004-20250313-en
Behavioral task
behavioral2
Sample
Build.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral3
Sample
Build.exe
Resource
win11-20250313-en
General
-
Target
Build.exe
-
Size
245KB
-
MD5
8ada41ef81ed91792ec1bc128daa0d2f
-
SHA1
12064be78a56ee540b1fa8d2257dcf487de4e82d
-
SHA256
a7d45abc7981ac8e1d5e2f7e64ac063c083d9112dd8cd79440d892360b3a3224
-
SHA512
a4e086f307dce33cfc3abc13989b8da8d2558ecf85a0f5e04338fb441560a56e94281c3afbb1a06f2dc18ee4e5149b1a28a0e11c05a7d7b6a1117a436000dc5d
-
SSDEEP
6144:Ze5/oFzXx7YxnXywmipeHlUusJQLoqb+tpbz:U5wFzB7YxnXy+peOvL
Malware Config
Signatures
-
StormKitty payload 1 IoCs
resource yara_rule sample family_stormkitty -
Stormkitty family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Build.exe
Files
-
Build.exe.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
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 243KB - Virtual size: 242KB
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