Static task
static1
Behavioral task
behavioral1
Sample
EFMSpro.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
EFMSpro.exe
Resource
win10v2004-20240802-en
General
-
Target
EFMSpro.exe
-
Size
628KB
-
MD5
b5735d24ca13030aa6ec5fd83081eb63
-
SHA1
0aa85835c570ffbc55e23f3daa3fa08912f417f4
-
SHA256
f8fb824e21a14d2e6b110f4c9d3d94b5bfc35ba8391799f48b9f37af63ca7b05
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SHA512
c22d2537d114163ad15814c092a5b86cd2cbaf9e53f5e4f805c8a98d96793efb622812f7cf9e4819e185675963f3d08b6605974dfcb924d9ab78fa853b6c277c
-
SSDEEP
12288:GJmAf+YwGFf0xlINLq74VIw7wihY8ZeiGyyVgHYtYgpeibdVPzRBrF9HAlnf:GJmAf+YwGFf0xlINLq38ZWVCk/euPXAl
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource EFMSpro.exe
Files
-
EFMSpro.exe.exe windows:4 windows x86 arch:x86
d569d2921a1bfde6c090bfcc1e0a390e
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
__vbaVarSub
__vbaVarTstGt
ord690
__vbaStrI2
_CIcos
_adj_fptan
ord692
__vbaStrI4
__vbaVarMove
__vbaFreeVar
__vbaLineInputStr
__vbaLenBstr
__vbaLateIdCall
__vbaStrVarMove
__vbaVarIdiv
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
__vbaLineInputVar
__vbaFreeObjList
ord516
_adj_fprem1
ord518
ord519
__vbaCopyBytes
__vbaVarCmpNe
__vbaStrCat
__vbaWriteFile
ord660
__vbaLsetFixstr
__vbaSetSystemError
__vbaRecDestruct
__vbaStrDate
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryVar
__vbaVarTstLe
__vbaVarXor
__vbaAryDestruct
__vbaBoolStr
__vbaVarPow
__vbaVarForInit
__vbaExitProc
__vbaFileCloseAll
__vbaObjSet
__vbaOnError
ord595
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaVarIndexLoad
ord598
__vbaFpR4
__vbaBoolVar
__vbaStrFixstr
ord520
__vbaRefVarAry
ord523
__vbaVarTstLt
__vbaFpR8
__vbaBoolVarNull
_CIsin
ord631
ord632
ord525
__vbaVarCmpGt
__vbaChkstk
__vbaFileClose
__vbaCyVar
ord526
EVENT_SINK_AddRef
ord527
__vbaGenerateBoundsError
ord529
__vbaStrCmp
__vbaAryConstruct2
__vbaVarTstEq
__vbaDateR8
__vbaPutOwner4
__vbaObjVar
__vbaI2I4
ord562
DllFunctionCall
__vbaVarOr
__vbaVarLateMemSt
__vbaCastObjVar
__vbaLbound
__vbaRedimPreserve
_adj_fpatan
__vbaR4Var
__vbaLateIdCallLd
__vbaStrR8
EVENT_SINK_Release
_CIsqrt
__vbaObjIs
__vbaLateIdCallSt
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaVarMul
__vbaExceptHandler
ord711
__vbaStrToUnicode
__vbaInputFile
_adj_fprem
_adj_fdivr_m64
__vbaI2Str
ord607
__vbaVarDiv
ord530
__vbaFPException
__vbaInStrVar
ord533
__vbaStrVarVal
__vbaUbound
__vbaGetOwner4
__vbaVarCat
__vbaDateVar
__vbaI2Var
ord537
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
ord647
ord570
__vbaInStr
__vbaVarLateMemCallLdRf
__vbaR8Str
__vbaNew2
ord571
_adj_fdiv_m32i
ord572
_adj_fdivr_m32i
ord573
__vbaVarSetObj
__vbaStrCopy
__vbaI4Str
__vbaVarCmpLt
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaVarTstNe
__vbaI4Var
__vbaVarCmpEq
ord689
ord610
__vbaAryLock
__vbaLateMemCall
__vbaVarAdd
__vbaStrToAnsi
ord612
__vbaVarDup
__vbaFpI2
__vbaVarMod
__vbaVarCopy
__vbaVarLateMemCallLd
__vbaFpI4
ord616
ord617
__vbaLateMemCallLd
_CIatan
__vbaI2ErrVar
__vbaAryCopy
ord618
__vbaStrMove
__vbaCastObj
__vbaStrVarCopy
ord619
ord650
_allmul
__vbaVarLateMemCallSt
__vbaLateIdSt
_CItan
ord546
__vbaAryUnlock
__vbaVarForNext
_CIexp
__vbaMidStmtBstr
__vbaI4ErrVar
__vbaFreeStr
__vbaFreeObj
ord581
Sections
.text Size: 612KB - Virtual size: 608KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ