Static task
static1
Behavioral task
behavioral1
Sample
Trojan-Downloader.Win32.VB.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Trojan-Downloader.Win32.VB.exe
Resource
win10v2004-20241007-en
General
-
Target
3c5fa83779ef6d3f23804e50c413d668_JaffaCakes118
-
Size
66KB
-
MD5
3c5fa83779ef6d3f23804e50c413d668
-
SHA1
600e4907760b552143e93264dcc1a9450f0e417a
-
SHA256
d90b3661cb41f55754be01bba37bcf36ff5418c5eb282efddd678227b85c29f7
-
SHA512
d99affbce6762aa7dc1f31076f87d3715c3773e22d0b1ecee32af00c8a16d5ac256c404c0ebe95e01109de476fbec1c2a2091719615014988d9bceead3eaebf1
-
SSDEEP
1536:K6jUwIC26U9GZPKVy0/01bXKcb7dX0qsZH8qqOuOXas:K6jU1CnUMZPKLYDhFsmLsas
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Trojan-Downloader.Win32.VB.foh
Files
-
3c5fa83779ef6d3f23804e50c413d668_JaffaCakes118.zip
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Trojan-Downloader.Win32.VB.foh.exe windows:4 windows x86 arch:x86
c065c6a70a0235c8066a61f0a00b5fb6
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
_CIcos
_adj_fptan
__vbaVarMove
__vbaVarVargNofree
__vbaFreeVar
__vbaGosubReturn
__vbaLenBstr
__vbaLateIdCall
__vbaStrVarMove
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
__vbaFreeObjList
_adj_fprem1
ord518
__vbaI4Sgn
__vbaResume
__vbaStrCat
__vbaVarCmpNe
__vbaError
__vbaLsetFixstr
__vbaSetSystemError
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
__vbaVarTstLe
__vbaVarCmpGe
__vbaAryDestruct
__vbaExitProc
ord593
__vbaVarForInit
__vbaI4Abs
ord594
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord304
ord598
__vbaFpR4
ord520
__vbaBoolVarNull
__vbaVarTstLt
_CIsin
__vbaVargVarMove
__vbaVarCmpGt
__vbaChkstk
__vbaGosubFree
ord526
__vbaFileClose
EVENT_SINK_AddRef
ord528
__vbaVarAbs
__vbaGenerateBoundsError
__vbaStrCmp
ord529
__vbaAryConstruct2
__vbaVarTstEq
__vbaObjVar
__vbaI2I4
DllFunctionCall
__vbaVarLateMemSt
__vbaVarOr
__vbaCastObjVar
__vbaRedimPreserve
_adj_fpatan
__vbaR4Var
__vbaFixstrConstruct
__vbaLateIdCallLd
EVENT_SINK_Release
ord600
__vbaUI1I2
_CIsqrt
ord310
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaVarMul
__vbaExceptHandler
ord312
ord712
__vbaStrToUnicode
__vbaPrintFile
ord606
_adj_fprem
_adj_fdivr_m64
__vbaVarDiv
ord607
ord608
__vbaVarCmpLe
ord531
__vbaFPException
__vbaInStrVar
__vbaStrVarVal
__vbaVarCat
ord535
__vbaI2Var
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaVarLateMemCallLdRf
__vbaNew2
__vbaInStr
ord648
__vbaVarInt
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaVarSetObj
ord681
__vbaFreeStrList
__vbaVarCmpLt
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord578
ord100
__vbaVarTstNe
__vbaI4Var
__vbaVarCmpEq
__vbaAryLock
__vbaLateMemCall
__vbaVarAdd
__vbaVarDup
__vbaStrToAnsi
ord613
__vbaFpI2
__vbaVarMod
__vbaFpI4
ord616
__vbaVarCopy
__vbaVarLateMemCallLd
ord617
_CIatan
__vbaStrMove
ord619
__vbaStrVarCopy
_allmul
__vbaLateIdSt
_CItan
ord546
__vbaAryUnlock
__vbaUI1Var
__vbaFPInt
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
ord581
Sections
.text Size: 208KB - Virtual size: 208KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 16KB - Virtual size: 16KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE