Static task
static1
Behavioral task
behavioral1
Sample
kbbim.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
kbbim.exe
Resource
win10v2004-20231023-en
General
-
Target
kbbim.exe
-
Size
524KB
-
MD5
2f614687eab60ef61a04b54280d776c1
-
SHA1
182ecd8b82885c5b8639adccb76080f81d538189
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SHA256
f30da8e63c12d85cc8426b12cf1254bcd2b55bff49abd1542a6dc653ee56b67a
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SHA512
21f34ca1be160b85a4812970094352f2ae3c1d767b20dca861e717d33bbcaa3956ba184df5f74fe9e181189285950f6a23abd03703e5b0a03e5983ce37a1ea3b
-
SSDEEP
6144:dhw53fw/yxOKuusXKez+M9UTB7OlZZJJkSBLKHoga5qrEmFwveT:aoKxOlQNB7OBpLKIgNEmFwv
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource kbbim.exe
Files
-
kbbim.exe.exe windows:4 windows x86
f6ceab1c3a0f9d2e891f6b17ac98db09
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
EVENT_SINK_GetIDsOfNames
__vbaVarTstGt
__vbaVarSub
ord690
__vbaStrI2
_CIcos
_adj_fptan
__vbaVarMove
__vbaStrI4
__vbaVarVargNofree
__vbaFreeVar
__vbaStrVarMove
__vbaLenBstr
__vbaLateIdCall
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
EVENT_SINK_Invoke
__vbaFreeObjList
_adj_fprem1
__vbaRecAnsiToUni
ord518
ord519
__vbaVarSetVarAddref
__vbaResume
__vbaStrCat
__vbaWriteFile
__vbaLsetFixstr
__vbaRecDestruct
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
Zombie_GetTypeInfo
__vbaAryDestruct
__vbaBoolStr
__vbaExitProc
__vbaForEachCollObj
__vbaStrBool
ord300
__vbaObjSet
__vbaOnError
ord595
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaFpR4
ord306
ord705
__vbaFpR8
__vbaBoolVarNull
_CIsin
ord525
__vbaNextEachCollObj
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaStrCmp
__vbaVarTstEq
__vbaR4Str
__vbaI2I4
__vbaObjVar
ord562
DllFunctionCall
__vbaVarLateMemSt
__vbaCastObjVar
__vbaStrR4
__vbaRedimPreserve
_adj_fpatan
__vbaR4Var
__vbaLateIdCallLd
Zombie_GetTypeInfoCount
__vbaRedim
__vbaRecUniToAnsi
EVENT_SINK_Release
__vbaNew
__vbaUI1I2
_CIsqrt
__vbaLateIdCallSt
__vbaObjIs
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaUI1I4
__vbaExceptHandler
__vbaStrToUnicode
__vbaInputFile
_adj_fprem
_adj_fdivr_m64
__vbaI2Str
__vbaLateIdStAd
ord531
__vbaFPException
__vbaInStrVar
ord717
ord319
__vbaStrVarVal
__vbaUbound
__vbaCheckType
ord535
__vbaI2Var
ord537
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaR8Str
__vbaNew2
__vbaInStr
__vbaVarLateMemCallLdRf
ord571
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaVarSetObj
__vbaI4Str
__vbaVarNot
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord100
__vbaI4Var
ord689
__vbaVarCmpEq
__vbaAryLock
__vbaVarAdd
ord320
__vbaStrToAnsi
__vbaVarDup
ord321
__vbaVerifyVarObj
__vbaFpI2
__vbaVarCopy
__vbaVarLateMemCallLd
__vbaRecDestructAnsi
ord617
__vbaLateMemCallLd
__vbaVarSetObjAddref
_CIatan
__vbaStrMove
__vbaCastObj
ord619
ord650
_allmul
__vbaLateIdSt
_CItan
ord546
__vbaAryUnlock
_CIexp
__vbaFreeObj
__vbaFreeStr
Sections
.text Size: 512KB - Virtual size: 509KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 39KB
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