Static task
static1
Behavioral task
behavioral1
Sample
WeiChatSendMsg-Hotel.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
WeiChatSendMsg-Hotel.exe
Resource
win10v2004-20230915-en
General
-
Target
WeiChatSendMsg-Hotel.exe
-
Size
68KB
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MD5
c1b23c03e2d914b2765c9604a6afc56d
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SHA1
22cef6ceb793eaffab3b8c9e625721a2ebf0abcf
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SHA256
18367280efe394df53925263ab3cec8609dc81b5997bc06eccb3cd020c83e197
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SHA512
af68b6b061b188ddb5acb4336087102612c2a4fa95f61876d5e57af004db11d0dbb4b7a0a91a84b9eba32b36a0db99a5a7d5ef8b69d19ce66625268b106e9f7e
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SSDEEP
768:cApI/57v3ll53rSeThp43kcmeXokQhisigQ/64vZydb8IM5xy6:T0fFbS6+1QiO4kNcy
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource WeiChatSendMsg-Hotel.exe
Files
-
WeiChatSendMsg-Hotel.exe.exe windows x86
c12d2d1a8c8b5dff250b3aeb0ec01507
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
__vbaVarTstGt
ord690
__vbaStrI2
_CIcos
_adj_fptan
__vbaVarMove
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
__vbaLenBstr
__vbaStrVarMove
ord696
__vbaVarIdiv
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
__vbaFreeObjList
__vbaStrErrVarCopy
_adj_fprem1
ord518
__vbaStrCat
__vbaVarCmpNe
ord660
__vbaSetSystemError
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
__vbaAryDestruct
__vbaLateMemSt
__vbaVarForInit
__vbaExitProc
__vbaOnError
__vbaObjSet
ord595
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaVarTstLt
__vbaBoolVarNull
_CIsin
ord632
__vbaChkstk
EVENT_SINK_AddRef
__vbaStrCmp
__vbaVarTstEq
ord560
__vbaObjVar
__vbaI2I4
DllFunctionCall
__vbaVarOr
_adj_fpatan
__vbaStrR8
EVENT_SINK_Release
_CIsqrt
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaExceptHandler
ord712
_adj_fprem
_adj_fdivr_m64
ord608
ord716
__vbaFPException
__vbaInStrVar
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
_CIlog
__vbaErrorOverflow
__vbaVar2Vec
__vbaVarLateMemCallLdRf
__vbaNew2
__vbaR8Str
_adj_fdiv_m32i
_adj_fdivr_m32i
ord573
__vbaStrCopy
ord681
__vbaVarCmpLt
__vbaFreeStrList
_adj_fdivr_m32
__vbaPowerR8
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaI4Var
ord689
__vbaVarAdd
__vbaLateMemCall
__vbaFreeVarg
__vbaVarDup
__vbaOnGoCheck
__vbaVarCopy
__vbaLateMemCallLd
ord617
_CIatan
__vbaCastObj
__vbaStrMove
__vbaStrVarCopy
_allmul
_CItan
ord546
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
ord581
Sections
.text Size: 56KB - Virtual size: 55KB
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: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ