Static task
static1
Behavioral task
behavioral1
Sample
NormaCSB43aExcel.exe
Resource
win7-20231025-es
Behavioral task
behavioral2
Sample
NormaCSB43aExcel.exe
Resource
win10v2004-20231023-es
General
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Target
NormaCSB43aExcel.exe
-
Size
92KB
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MD5
5a26043d4e07730d513c01849f143362
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SHA1
85efd518b3f01195a08e40572ce2240424d35778
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SHA256
88060dac99a682b7557c6164e2469489c1b34c46fed8a62278047166b8f0485e
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SHA512
177c62229e1c7254f05785477d660a0cba7625a5c95de3554e67d8a0147d68887f4605dd16714fe004ab97d2afd9858474d4e4c3fa14ede56704a2607a04922f
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SSDEEP
1536:wYrub5kErCST7LGbb0xjVdkXpoXHppp7+M0zLymP7O0e:DrulDC87LwQNkGXHpppyM0fym7w
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource NormaCSB43aExcel.exe
Files
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NormaCSB43aExcel.exe.exe windows:4 windows x86
72f1c2bebac4a6bc6aaa5ed0400a9d3d
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
__vbaStrI2
_CIcos
_adj_fptan
__vbaVarMove
__vbaStrI4
__vbaFreeVar
__vbaLineInputStr
__vbaStrVarMove
__vbaLateIdCall
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
__vbaFreeObjList
__vbaStrErrVarCopy
_adj_fprem1
ord626
__vbaStrCat
ord660
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaFileCloseAll
__vbaOnError
__vbaObjSet
ord595
_adj_fdiv_m16i
ord303
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
ord520
ord309
__vbaBoolVarNull
_CIsin
ord632
__vbaChkstk
__vbaFileClose
ord526
EVENT_SINK_AddRef
__vbaStrCmp
ord529
__vbaVarTstEq
__vbaObjVar
__vbaI2I4
DllFunctionCall
__vbaVarOr
__vbaVarLateMemSt
_adj_fpatan
__vbaLateIdCallLd
EVENT_SINK_Release
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
__vbaStrToUnicode
_adj_fprem
_adj_fdivr_m64
__vbaR8ErrVar
ord716
__vbaFPException
__vbaInStrVar
__vbaVarCat
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
ord648
__vbaVarLateMemCallLdRf
__vbaNew2
__vbaInStr
ord571
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaLateMemNamedCall
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord100
__vbaVarCmpEq
__vbaLateMemCall
__vbaStrToAnsi
__vbaVarDup
__vbaVarLateMemCallLd
__vbaLateMemCallLd
ord617
_CIatan
__vbaStrMove
ord619
_allmul
__vbaLateIdSt
_CItan
_CIexp
__vbaFreeObj
__vbaFreeStr
Sections
.text Size: 80KB - Virtual size: 77KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ