Static task
static1
Behavioral task
behavioral1
Sample
update.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
update.exe
Resource
win10v2004-20230915-en
General
-
Target
update.exe
-
Size
208KB
-
MD5
38f96f137b39647a0b79b2a9f707dcf0
-
SHA1
4b6dbbf94d9ac7f11be7bab5483d56bb0b6b3f7b
-
SHA256
fcd7f10a7ca1260477d8ac2136fac649ef6c053daaeb81a375a5d08ca255c3f0
-
SHA512
e47f428d3fa61d7d973f0ee46e6fc0ac8d75257d2b950937f10fbde6cd30157f0ef2e0b70cb2201931fb65c6b08ca12c462650862e3d89541d5e01431df3044b
-
SSDEEP
3072:nCTTeBFwb6tUqfi6Gikeuixq64WfMdzdLN8gi6Gik8d:nXJfi+KeC/7i+j
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource update.exe
Files
-
update.exe.exe windows x86
0b10d02d50e481bf326ec56de31830ce
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
__vbaStrI4
__vbaVarMove
__vbaAryMove
__vbaFreeVar
__vbaGosubReturn
ord588
__vbaLateIdCall
__vbaStrVarMove
__vbaLenBstr
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
__vbaRaiseEvent
__vbaFreeObjList
ord516
_adj_fprem1
__vbaRecAnsiToUni
__vbaCopyBytes
__vbaResume
__vbaVarCmpNe
__vbaStrCat
__vbaLsetFixstr
__vbaStrDate
__vbaSetSystemError
__vbaRecDestruct
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryDestruct
__vbaStrBool
__vbaBoolStr
__vbaExitProc
ord300
ord301
__vbaOnError
__vbaObjSet
ord595
_adj_fdiv_m16i
ord303
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaCyStr
ord306
__vbaBoolVar
ord307
ord309
__vbaFpR8
__vbaBoolVarNull
_CIsin
ord631
ord524
ord709
ord632
__vbaChkstk
__vbaGosubFree
__vbaFileClose
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaGet3
__vbaStrCmp
ord529
__vbaVarTstEq
__vbaPutOwner3
ord560
__vbaI2I4
DllFunctionCall
__vbaVarOr
__vbaCastObjVar
_adj_fpatan
__vbaR4Var
ord568
__vbaFixstrConstruct
__vbaLateIdCallLd
__vbaRedim
__vbaRecUniToAnsi
EVENT_SINK_Release
__vbaNew
ord600
__vbaUI1I2
_CIsqrt
__vbaObjIs
EVENT_SINK_QueryInterface
__vbaVarMul
__vbaExceptHandler
__vbaPrintFile
__vbaStrToUnicode
ord314
__vbaDateStr
ord606
_adj_fprem
_adj_fdivr_m64
ord315
__vbaGosub
__vbaVarDiv
ord714
ord316
ord608
ord531
__vbaFPException
__vbaUbound
__vbaStrVarVal
__vbaVarCat
ord536
__vbaFileSeek
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaInStr
ord648
__vbaVar2Vec
__vbaNew2
_adj_fdiv_m32i
ord572
_adj_fdivr_m32i
__vbaStrCopy
ord681
__vbaI4Str
__vbaVarNot
__vbaFreeStrList
_adj_fdivr_m32
__vbaR8Var
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaI4Var
__vbaVarCmpEq
__vbaAryLock
__vbaVarAdd
__vbaStrToAnsi
__vbaVarDup
__vbaFpI2
ord616
__vbaFpI4
__vbaVarCopy
ord617
_CIatan
__vbaStrMove
__vbaCastObj
ord619
ord650
_allmul
__vbaLateIdSt
ord652
_CItan
__vbaAryUnlock
__vbaUI1Var
_CIexp
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 172KB - Virtual size: 169KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ