Static task
static1
Behavioral task
behavioral1
Sample
fc757918c90e5e4b9bcff3ebdbe583e0_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
fc757918c90e5e4b9bcff3ebdbe583e0_JC.exe
Resource
win10v2004-20230915-en
General
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Target
fc757918c90e5e4b9bcff3ebdbe583e0_JC.exe
-
Size
68KB
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MD5
fc757918c90e5e4b9bcff3ebdbe583e0
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SHA1
e326b87beabb026edc32a350278bd0d55e646fe3
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SHA256
955a966c126c67f95308591cdbf2b2afe4eb0a25f75f5cc4978da46e3efb6961
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SHA512
5dc51bd09a3b6c2b71a66242da5bf980fe48756e7e4d3c49bb4ba22927fc171fddc8663d0e3b6570ebe91101bcbb27670d92a02aaf8d2db50ab2b908ed707fa2
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SSDEEP
1536:GMrBC0rjSvOvmOW897NL57PFfmYMBP3PjH:G2I2IOez8tTP7MN
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource fc757918c90e5e4b9bcff3ebdbe583e0_JC.exe
Files
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fc757918c90e5e4b9bcff3ebdbe583e0_JC.exe.exe windows:4 windows x86
49ff561bb59b5abb4fae370f46601d00
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
__vbaVarSub
_CIcos
_adj_fptan
__vbaVarMove
__vbaStrI4
__vbaVarVargNofree
__vbaFreeVar
__vbaLenBstr
__vbaStrVarMove
__vbaFreeVarList
_adj_fdiv_m64
__vbaFreeObjList
_adj_fprem1
__vbaRecAnsiToUni
ord518
__vbaStrCat
__vbaLsetFixstr
__vbaSetSystemError
__vbaRecDestruct
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryDestruct
__vbaVarCmpGe
__vbaVarForInit
ord593
ord595
__vbaObjSet
__vbaOnError
_adj_fdiv_m16i
_adj_fdivr_m16i
ord598
__vbaStrFixstr
__vbaVargVar
__vbaBoolVarNull
__vbaVarTstLt
_CIsin
__vbaErase
ord632
__vbaChkstk
EVENT_SINK_AddRef
__vbaGenerateBoundsError
ord528
__vbaStrCmp
__vbaVarTstEq
__vbaAryConstruct2
__vbaObjVar
__vbaI2I4
DllFunctionCall
_adj_fpatan
__vbaFixstrConstruct
__vbaRecUniToAnsi
EVENT_SINK_Release
ord600
_CIsqrt
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaVarMul
__vbaExceptHandler
__vbaStrToUnicode
ord712
_adj_fprem
_adj_fdivr_m64
ord607
ord608
ord716
__vbaFPException
__vbaStrVarVal
__vbaVarCat
_CIlog
__vbaErrorOverflow
__vbaNew2
__vbaInStr
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaI4Str
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaVarSetVar
__vbaI4Var
__vbaVarAdd
__vbaLateMemCall
__vbaVarDup
__vbaStrToAnsi
ord613
__vbaVarLateMemCallLd
__vbaVarTstGe
__vbaFpI4
__vbaRecDestructAnsi
__vbaVarSetObjAddref
ord617
_CIatan
__vbaStrMove
_allmul
_CItan
__vbaFPInt
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
Sections
.text Size: 56KB - Virtual size: 54KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 3KB
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