Static task
static1
Behavioral task
behavioral1
Sample
client/Form1.vbs
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
client/Form1.vbs
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
server/Form1.vbs
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
server/Form1.vbs
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
server/server.exe
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
server/server.exe
Resource
win10v2004-20240802-en
General
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Target
8b61fb3660fd1656e775a72eed95cea4_JaffaCakes118
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Size
15KB
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MD5
8b61fb3660fd1656e775a72eed95cea4
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SHA1
dc936f475b2e434e87c05ca45c0eff5450edd54b
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SHA256
aca2a1f61f063e509b0106e7f0406efc2c86e5fa58f447530913589e0c88559e
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SHA512
a6129dc3c67067a345e309a83fed7919e07e50d54a32f5e771b7b9ecdc7043303999c85ed8808dddb678101e06fce3fef909494f8c087d4c0c397dba3cfa2497
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SSDEEP
384:j8J/11uj0frWw5/wQIkd3AfJaCC5XGR3nWsnA:+/g0DrvdwJarJsnA
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/server/server.exe
Files
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8b61fb3660fd1656e775a72eed95cea4_JaffaCakes118.rar
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client/Form1.frm.vbs
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client/Form1.frx
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client/Module1.bas
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client/Project1.PDM
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client/Project1.vbp
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client/Project1.vbw
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client/下载说明.htm.html .js polyglot
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server/Form1.frm.vbs
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server/Form1.frx
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server/Project1.vbp
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server/Project1.vbw
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server/server.exe.exe windows:4 windows x86 arch:x86
627fa6d74bc6d777e5a7e69a87462025
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
_CIcos
_adj_fptan
__vbaVarMove
__vbaFreeVar
__vbaLateIdCall
__vbaStrVarMove
__vbaLenBstr
__vbaFreeVarList
_adj_fdiv_m64
__vbaFreeObjList
_adj_fprem1
__vbaStrCat
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaVarForInit
__vbaObjSet
_adj_fdiv_m16i
_adj_fdivr_m16i
ord598
_CIsin
ord632
__vbaChkstk
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaStrCmp
__vbaVarTstEq
__vbaI2I4
__vbaRedimPreserve
_adj_fpatan
__vbaLateIdCallLd
__vbaRedim
EVENT_SINK_Release
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
_adj_fprem
_adj_fdivr_m64
__vbaFPException
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
_CIlog
__vbaErrorOverflow
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
_CIatan
__vbaStrMove
__vbaStrVarCopy
_allmul
_CItan
ord546
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
Sections
.text Size: 16KB - Virtual size: 14KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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server/下载说明.htm.html .js polyglot