Static task
static1
Behavioral task
behavioral1
Sample
BestechConn.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
BestechConn.exe
Resource
win10v2004-20230220-en
General
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Target
BestechConn.exe
-
Size
76KB
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MD5
6517ab37bc25f15d6fd3c8978c4a59f2
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SHA1
77fafc589ea3ec11e37b58e8a081112096b4c5d7
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SHA256
d442ad9c6a6d7935d3a6065b92cd2983237ef8bef3825424864cf298f3a5386c
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SHA512
a0afb8073d4c4802945b3188cd22528aa369ecf58b79fb47b719935ed1bd4be0a41642eb74a2aff41013a0af77be15e20b74c8db1e7f23240855f0afe94f4fc3
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SSDEEP
1536:QLaiXjouyafpayWDVp4J2yv3z4ep6O0Uo2tYOBfRmZYMpKxrCI:QLfjoTPy2Vp4J2yPz4ep6OPCI
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BestechConn.exe
Files
-
BestechConn.exe.exe windows x86
11b336c169b077ad17ef1ad78cc50dd3
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
ord690
_CIcos
_adj_fptan
__vbaStrI4
__vbaFreeVar
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
__vbaFreeObjList
_adj_fprem1
__vbaStrCat
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryVar
__vbaAryDestruct
__vbaExitProc
ord300
__vbaOnError
ord595
__vbaObjSet
_adj_fdiv_m16i
ord303
__vbaObjSetAddref
_adj_fdivr_m16i
ord599
ord306
ord520
ord309
__vbaBoolVarNull
_CIsin
__vbaChkstk
EVENT_SINK_AddRef
ord528
__vbaGenerateBoundsError
__vbaStrCmp
ord561
_adj_fpatan
EVENT_SINK_Release
__vbaNew
_CIsqrt
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaExceptHandler
ord711
_adj_fprem
_adj_fdivr_m64
ord608
__vbaFPException
__vbaStrVarVal
__vbaUbound
__vbaVarCat
_CIlog
__vbaErrorOverflow
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
ord681
__vbaFreeStrList
__vbaVarNot
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaVarCmpEq
ord689
__vbaVarAdd
__vbaAryLock
__vbaVarDup
__vbaFreeVarg
__vbaFpI4
_CIatan
__vbaStrMove
__vbaCastObj
__vbaAryCopy
_allmul
__vbaLateIdSt
_CItan
__vbaAryUnlock
_CIexp
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 64KB - Virtual size: 62KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 4KB
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