Static task
static1
Behavioral task
behavioral1
Sample
virussign.com_25b40f5498cb5f6de8659126a03bb4f0.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
virussign.com_25b40f5498cb5f6de8659126a03bb4f0.exe
Resource
win10v2004-20240508-en
General
-
Target
virussign.com_25b40f5498cb5f6de8659126a03bb4f0.vir
-
Size
184KB
-
MD5
25b40f5498cb5f6de8659126a03bb4f0
-
SHA1
da136f921717db3376572c350314837e62c8bf9c
-
SHA256
3d92a9410b0fee83cbe29e4464189c158394a3966a7bbd5e9a6ac999f733f56c
-
SHA512
11419b66d0de8c723be45d7ae6233907c594dd0883de57264d223be4eb1bb7653aedbd6823522361ba522c3f8e21d7d9e0a0b8035bda451e95a36fb168862f07
-
SSDEEP
3072:rz/5VpGpyf+1TwwTCyJz2XWYDvnqnviuR:rzRydww7z4WYDPqnviu
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource virussign.com_25b40f5498cb5f6de8659126a03bb4f0.vir
Files
-
virussign.com_25b40f5498cb5f6de8659126a03bb4f0.vir.exe windows:4 windows x86 arch:x86
be6fa16f501de575a1d8eaaac5246ba0
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
Imports
msvbvm60
_CIcos
_adj_fptan
__vbaVarMove
__vbaFreeVar
ord588
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
__vbaFreeObjList
_adj_fprem1
__vbaStrCat
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryDestruct
ord593
ord594
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
_adj_fdivr_m16i
_CIsin
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
__vbaPutOwner3
DllFunctionCall
_adj_fpatan
__vbaRedim
__vbaStrR8
EVENT_SINK_Release
ord600
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
_adj_fprem
_adj_fdivr_m64
__vbaFPException
__vbaGetOwner3
__vbaUbound
__vbaStrVarVal
__vbaVarCat
_CIlog
__vbaFileOpen
__vbaNew2
ord570
__vbaR8Str
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaI4Var
__vbaVarMod
_CIatan
__vbaStrMove
_allmul
_CItan
__vbaFPInt
__vbaUI1Var
_CIexp
__vbaFreeStr
__vbaFreeObj
Sections
.text Size: 172KB - Virtual size: 168KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
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