Static task
static1
Behavioral task
behavioral1
Sample
Y!Blaster_Update.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Y!Blaster_Update.exe
Resource
win10v2004-20240709-en
General
-
Target
5f5143d3472a7a09676a08dd611c9d84_JaffaCakes118
-
Size
61KB
-
MD5
5f5143d3472a7a09676a08dd611c9d84
-
SHA1
510e32175bdbbcc2b3a6b687317345b3ff400fb6
-
SHA256
19dc82a9e7bcdc940e1b4feecc6ee60bdfb98c80e366649064a6b35d3d62f1b0
-
SHA512
1d7f090c85851b45d04eb2ccf5d62a31505f87ce60aeba96d5867f63a28bd4a741c7988b997c7ad2e02db766242373d54bfc82460aea915300075e1fb6202997
-
SSDEEP
1536:FlGdekkf/HGXmQx4caok2+pzpc96M7mqrW7nUvkj4REdlo1Ou4ePv5BA:fGwNHVQGhZzpwTR5oupS
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Y!Blaster_Update.exe
Files
-
5f5143d3472a7a09676a08dd611c9d84_JaffaCakes118.rar
-
Y!Blaster_Update.exe.exe windows:4 windows x86 arch:x86
515ba1ef96284ebff05e38c5a86b04b9
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
__vbaStrI2
_CIcos
_adj_fptan
__vbaVarMove
__vbaStrI4
__vbaAryMove
__vbaFreeVar
__vbaLineInputStr
__vbaLateIdCall
__vbaLenBstr
__vbaStrVarMove
__vbaPut3
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
EVENT_SINK_Invoke
__vbaRaiseEvent
__vbaFreeObjList
ord516
__vbaStrErrVarCopy
ord517
_adj_fprem1
ord518
__vbaStrCat
__vbaError
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryVar
Zombie_GetTypeInfo
__vbaAryDestruct
ord593
__vbaBoolStr
__vbaStrBool
__vbaExitProc
__vbaForEachCollObj
ord594
ord595
__vbaObjSet
__vbaOnError
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaVarIndexLoad
_CIsin
__vbaErase
ord709
ord631
ord525
ord632
__vbaNextEachCollObj
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
__vbaGenerateBoundsError
ord529
__vbaGet3
__vbaStrCmp
__vbaExitEachColl
__vbaAryConstruct2
__vbaVarTstEq
__vbaObjVar
__vbaI2I4
DllFunctionCall
__vbaCastObjVar
__vbaStrR4
_adj_fpatan
__vbaLateIdCallLd
Zombie_GetTypeInfoCount
__vbaRedim
EVENT_SINK_Release
__vbaNew
ord600
__vbaUI1I2
_CIsqrt
EVENT_SINK_QueryInterface
ord710
__vbaUI1I4
__vbaExceptHandler
ord711
ord712
__vbaStrToUnicode
ord606
_adj_fprem
_adj_fdivr_m64
ord607
ord608
__vbaFPException
__vbaInStrVar
ord319
__vbaUbound
__vbaStrVarVal
__vbaVarCat
ord535
__vbaI2Var
ord537
_CIlog
__vbaErrorOverflow
__vbaFileOpen
ord648
ord570
__vbaR8Str
__vbaInStr
__vbaNew2
ord571
_adj_fdiv_m32i
_adj_fdivr_m32i
ord573
__vbaStrCopy
__vbaI4Str
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord100
__vbaI4Var
__vbaAryLock
__vbaLateMemCall
__vbaVarAdd
ord320
__vbaStrToAnsi
__vbaVarDup
ord321
ord616
__vbaFpI4
__vbaVarCopy
ord617
_CIatan
__vbaStrMove
__vbaAryCopy
__vbaStrVarCopy
ord619
__vbaR8IntI4
ord650
_allmul
__vbaLateIdSt
_CItan
__vbaAryUnlock
__vbaFPInt
_CIexp
__vbaMidStmtBstr
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 228KB - Virtual size: 226KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 9KB
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