Static task
static1
Behavioral task
behavioral1
Sample
EPStartHelper.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
EPStartHelper.exe
Resource
win10v2004-20231215-en
General
-
Target
EPStartHelper.exe
-
Size
32KB
-
MD5
e2a890c56c62c83fcbe7bd02b4bd14e6
-
SHA1
034d8f2a991d224af81e468c762684b776292e46
-
SHA256
8b66019c339e280730800d27df5c24c5127ed0083fcf4d3f6c33100d54a58918
-
SHA512
8ecc51249c699f2d6d58612535051935c4798e480c0c059ababdeb2e049fb2a734e4f9b059789e2de4a4cfad2a46990ab0f266f5b36eda0d9ed92d9296a2b79a
-
SSDEEP
384:7Nz1pERltjMVQGg0Xuta4zLv0XQOD30s8:BXERlxMyGgTz7arx8
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource EPStartHelper.exe
Files
-
EPStartHelper.exe.exe windows:4 windows x86 arch:x86
188df1d88d200fc8f50f25413473fd3e
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
msvbvm60
_CIcos
_adj_fptan
__vbaVarMove
__vbaFreeVar
_adj_fdiv_m64
_adj_fprem1
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaExitProc
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
_CIsin
__vbaChkstk
EVENT_SINK_AddRef
DllFunctionCall
_adj_fpatan
EVENT_SINK_Release
__vbaNew
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
_adj_fprem
_adj_fdivr_m64
__vbaFPException
_CIlog
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaI4Var
__vbaStrToAnsi
__vbaVarLateMemCallLd
_CIatan
_allmul
_CItan
_CIexp
__vbaFreeStr
__vbaFreeObj
Sections
.text Size: 20KB - Virtual size: 16KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ