Static task
static1
Behavioral task
behavioral1
Sample
LoginWelcome/Registry.vbs
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
LoginWelcome/Registry.vbs
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
LoginWelcome/Welcome.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
LoginWelcome/Welcome.exe
Resource
win10v2004-20231215-en
General
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Target
71eccdef5c3b939459c46eff369ad290
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Size
14KB
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MD5
71eccdef5c3b939459c46eff369ad290
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SHA1
52c94b25cc61e806cfedec3686c3441f4b8d35cc
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SHA256
565d99bd167b6b5ee9a0a488db738559fcd17bf55e2ee16cbf09dbbee286efa1
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SHA512
795c00221947477f8dfcc49b5f7825ea9fa1eae66ae2a0db2d2ba881f878660c903c6866354d5e9e4be20e05b1d3a94e2710d6718b5ea3bfb5e0697ad6f5db81
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SSDEEP
384:IECtIp/SlzIBRWOxD14GYsvxAl35H7zcvzMwSN:IECa8lzmRDxIsvKVGnSN
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/LoginWelcome/Welcome.exe
Files
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71eccdef5c3b939459c46eff369ad290.rar
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LoginWelcome/FrmMain.frm
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LoginWelcome/FrmMain.frx
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LoginWelcome/Registry.bas.vbs
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LoginWelcome/Welcome.exe.exe windows:4 windows x86 arch:x86
22230906bab79bd4667551e7f110afa2
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
__vbaFreeVar
__vbaLenBstr
__vbaStrVarMove
__vbaLateIdCall
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
__vbaFreeObjList
ord516
_adj_fprem1
__vbaVarCmpNe
__vbaStrCat
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaVarForInit
ord595
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
_adj_fdivr_m16i
ord520
__vbaBoolVarNull
_CIsin
ord631
__vbaChkstk
ord526
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaStrCmp
DllFunctionCall
__vbaVarOr
_adj_fpatan
__vbaRedim
EVENT_SINK_Release
__vbaUI1I2
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
__vbaStrToUnicode
_adj_fprem
_adj_fdivr_m64
ord608
__vbaFPException
ord536
_CIlog
__vbaErrorOverflow
__vbaInStr
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaI4Var
__vbaVarCmpEq
__vbaAryLock
__vbaVarAdd
__vbaStrToAnsi
__vbaVarCopy
ord617
_CIatan
__vbaStrMove
ord619
_allmul
_CItan
__vbaAryUnlock
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
Sections
.text Size: 24KB - Virtual size: 21KB
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: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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LoginWelcome/Welcome.vbp
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LoginWelcome/Welcome.vbw
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LoginWelcome/下载说明.htm.html .js polyglot