Static task
static1
Behavioral task
behavioral1
Sample
virussign.com_b58ab2c58748424b4a51c3251559b360.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
virussign.com_b58ab2c58748424b4a51c3251559b360.exe
Resource
win10v2004-20240426-en
General
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Target
virussign.com_b58ab2c58748424b4a51c3251559b360.vir
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Size
184KB
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MD5
b58ab2c58748424b4a51c3251559b360
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SHA1
346a0d940502c1eb6e8c181c9cd44d28f2d5d643
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SHA256
dc58583efe0e55989c902d362445bf204c4bf35a028b21a8510d936463912914
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SHA512
3513ff48304de5f57e2602c7e7d5ea43c4d72275d99d7f9916616ba4ee8c87647cb9c2e93a761324cc888311115e63955c92d9ab1976a85b4b23aaab630ddb87
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SSDEEP
3072:pOqVEkojg+p+E7a3WinFHcfulvnqnviu+IY:pO8obr7ahF8fulPqnviu+I
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource virussign.com_b58ab2c58748424b4a51c3251559b360.vir
Files
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virussign.com_b58ab2c58748424b4a51c3251559b360.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