NEAS[.]91a20eff904ad5cfb494d033dcf05910_JC[.]exe

Reason

config extraction: GuloaderBin: guloader: invalid shellcode

General

Target

NEAS.91a20eff904ad5cfb494d033dcf05910_JC.exe
Size

1.4MB
MD5

91a20eff904ad5cfb494d033dcf05910
SHA1

1f324a6df7141d9dcd73c5b5e46943df75cdb203
SHA256

a6f9e8fc28cd05f0f49d734d76a90210deaeb5661917b2478d42142477b63606
SHA512

65bd86d21b21ca0c8654dd3bbedfef9963bbb742160ee9f5adbd03247cba4f06156c06afa227487d64c6839fd7eacb4f78a71e0743f56f459faf6d14941b132d
SSDEEP

24576:b8GrJpjASHC871w4Ilws0wNQFjp1cY/5wq+VOoEf0ZWjJ/iscFmhM/QGths0aaGI:oGfzbelOrf0ZyhEgbmhWDXeCGfzk9lg7

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
NEAS.91a20eff904ad5cfb494d033dcf05910_JC.exe

Files

NEAS.91a20eff904ad5cfb494d033dcf05910_JC.exe
.exe windows:4 windows x86

53f197c5907fc85ad821e1ea7c1dac46

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

__vbaVarTstGt
ord690
_CIcos
_adj_fptan
__vbaStrI4
__vbaRedimPreserveVar
__vbaFreeVar
__vbaAryMove
__vbaStrVarMove
__vbaLenBstr
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
__vbaVarIndexStore
__vbaFreeObjList
_adj_fprem1
__vbaRecAnsiToUni
ord518
__vbaResume
__vbaStrCat
__vbaSetSystemError
__vbaHresultCheckObj
__vbaNameFile
ord662
_adj_fdiv_m32
__vbaAryVar
ord667
__vbaAryDestruct
__vbaVarIndexLoadRefLock
__vbaForEachCollObj
__vbaExitProc
ord300
__vbaFileCloseAll
ord301
__vbaOnError
__vbaObjSet
ord595
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord304
__vbaVarIndexLoad
ord598
ord306
ord520
ord307
__vbaBoolVarNull
__vbaVarTstLt
_CIsin
ord709
__vbaNextEachCollObj
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
ord528
__vbaGenerateBoundsError
__vbaStrCmp
ord529
__vbaVarTstEq
__vbaPutOwner3
__vbaPutOwner4
DllFunctionCall
ord670
__vbaRedimPreserve
_adj_fpatan
__vbaRedim
__vbaRecUniToAnsi
EVENT_SINK_Release
ord600
_CIsqrt
ord310
__vbaRedimVar
__vbaObjIs
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaUI1I4
__vbaExceptHandler
ord312
ord711
ord712
__vbaStrToUnicode
ord606
_adj_fprem
_adj_fdivr_m64
ord607
ord531
__vbaFPException
__vbaInStrVar
ord717
ord532
__vbaStrVarVal
__vbaGetOwner3
__vbaUbound
__vbaVarCat
__vbaDateVar
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaInStr
__vbaNew2
__vbaVar2Vec
ord570
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaI4Str
__vbaFreeStrList
__vbaVarCmpLt
ord576
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord100
ord579
__vbaI4Var
ord689
__vbaAryLock
__vbaVarDup
__vbaStrToAnsi
ord613
__vbaFpI4
ord616
ord617
_CIatan
__vbaI2ErrVar
__vbaStrMove
__vbaCastObj
__vbaAryCopy
ord619
_allmul
_CItan
ord546
__vbaAryUnlock
_CIexp
ord580
__vbaFreeObj
__vbaFreeStr
ord581

Sections

.text
Size: 200KB - Virtual size: 197KB

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: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

Errors

General

Malware Config

Signatures

Files

53f197c5907fc85ad821e1ea7c1dac46

Headers

File Characteristics

Imports

msvbvm60

Sections

.text Size: 200KB - Virtual size: 197KB

.data Size: 4KB - Virtual size: 9KB

.rsrc Size: 1.1MB - Virtual size: 1.1MB

.text
Size: 200KB - Virtual size: 197KB

.data
Size: 4KB - Virtual size: 9KB

.rsrc
Size: 1.1MB - Virtual size: 1.1MB