Overview
overview
3Static
static
3MAILLST.vbs
windows7-x64
1MAILLST.vbs
windows10-2004-x64
1MAILSUP.vbs
windows7-x64
1MAILSUP.vbs
windows10-2004-x64
1NEWMSG.vbs
windows7-x64
1NEWMSG.vbs
windows10-2004-x64
1VBMAIL.vbs
windows7-x64
1VBMAIL.vbs
windows10-2004-x64
1vbmail2.exe
windows7-x64
1vbmail2.exe
windows10-2004-x64
1Static task
static1
Behavioral task
behavioral1
Sample
MAILLST.vbs
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
MAILLST.vbs
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
MAILSUP.vbs
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
MAILSUP.vbs
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
NEWMSG.vbs
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
NEWMSG.vbs
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
VBMAIL.vbs
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
VBMAIL.vbs
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
vbmail2.exe
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
vbmail2.exe
Resource
win10v2004-20231222-en
General
-
Target
00fa0df9b2115633ba847de37a366f87
-
Size
49KB
-
MD5
00fa0df9b2115633ba847de37a366f87
-
SHA1
c0513a9eff7854ad01305abdb69becf26f1fd956
-
SHA256
bc4c0d00a9a4f9bf0f2726299e3b2e0ecd7caf874f1643eccc3902027507ca13
-
SHA512
69f44c790c373ee5418910005ed65142ced8a12a5eb0ba77fc25a898eb189a14b92f16fa4609e74a759b7f2a94ad425b76b0b507ea2d3c6ed7cad9b251fc0563
-
SSDEEP
1536:xTWLgEd8iAD1uufj2L5yPsLC5GY62Akqer9U9:xtEmpfj2QULC5162GerI
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/vbmail2.exe
Files
-
00fa0df9b2115633ba847de37a366f87.rar
-
MAILLST.FRM.vbs
-
MAILLST.FRX
-
MAILOPTF.FRM
-
MAILSUP.BAS.vbs
-
MSGVIEW.FRM
-
MSGVIEW.FRX
-
NEWMSG.FRM.vbs
-
VBMAIL.FRM.vbs
-
VBMAIL.FRX
-
VBMAIL.PDM
-
VBMAIL.VBP
-
VBMAIL.vbw
-
vbmail2.exe.exe windows:4 windows x86 arch:x86
7d94a50a427e6c2356c20d279f7d6510
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
__vbaVarSub
__vbaStrI2
_CIcos
_adj_fptan
__vbaStrI4
__vbaVarMove
__vbaFreeVar
__vbaStrVarMove
__vbaLateIdCall
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
__vbaFreeObjList
_adj_fprem1
ord519
__vbaI2Abs
__vbaVarCmpNe
__vbaStrCat
__vbaSetSystemError
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
__vbaLateMemSt
__vbaVarForInit
__vbaExitProc
ord595
__vbaObjSet
__vbaOnError
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaFpR4
__vbaBoolVar
__vbaFpR8
__vbaBoolVarNull
_CIsin
ord631
__vbaChkstk
EVENT_SINK_AddRef
__vbaStrCmp
__vbaVarTstEq
__vbaI2I4
__vbaPrintObj
__vbaObjVar
DllFunctionCall
__vbaVarOr
__vbaVarLateMemSt
_adj_fpatan
__vbaR4Var
__vbaLateIdCallLd
EVENT_SINK_Release
ord600
_CIsqrt
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaVarMul
__vbaExceptHandler
__vbaStrToUnicode
ord606
_adj_fprem
_adj_fdivr_m64
ord608
__vbaFPException
__vbaInStrVar
__vbaStrVarVal
__vbaCheckType
ord536
__vbaI2Var
ord537
_CIlog
__vbaErrorOverflow
__vbaInStr
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaVarNot
__vbaVarCmpLt
__vbaFreeStrList
_adj_fdivr_m32
__vbaR8Var
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaI4Var
__vbaLateMemCall
__vbaVarAdd
ord611
__vbaStrToAnsi
__vbaVarDup
__vbaFpI2
__vbaCheckTypeVar
ord616
__vbaVarCopy
__vbaFpI4
__vbaVarLateMemCallLd
ord617
__vbaLateMemCallLd
_CIatan
ord540
__vbaCastObj
__vbaStrMove
ord541
__vbaStrVarCopy
ord650
_allmul
__vbaLateIdSt
ord651
_CItan
__vbaVarForNext
_CIexp
__vbaMidStmtBstr
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 120KB - Virtual size: 117KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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