Static task
static1
Behavioral task
behavioral1
Sample
Ocorrepdf.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
Ocorrepdf.exe
Resource
win10v2004-20240611-en
General
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Target
0cf0878d2d68b0a4d5e2e491ceefbe1e_JaffaCakes118
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Size
18KB
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MD5
0cf0878d2d68b0a4d5e2e491ceefbe1e
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SHA1
7f8a46b85a8ce1d707019833a84470c7ad764d07
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SHA256
c68d98174385418316d43d7ddcb848d087166b30c1df41c2319087b510a371c1
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SHA512
bd5243f13b01e48af82f4a1b656fd39fe69e91cc5f7b96dabe8364f06af9a9884d6e5c248c397a042d67bb674207c2461bf7a21ce71707262910e63ddb55eb16
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SSDEEP
384:E2a6Lyf8bnW+klFtrv2C/mS+EYGmniPE2pFDf0onGpFb1cdjlnN:imYN/siP3ppha+lN
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Ocorrepdf.exe
Files
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0cf0878d2d68b0a4d5e2e491ceefbe1e_JaffaCakes118.rar
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Ocorrepdf.exe.exe windows:4 windows x86 arch:x86
a9a86541bea6faabf3cb930029f17d9b
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
__vbaLenBstr
__vbaStrVarMove
__vbaLateIdCall
__vbaPut3
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
__vbaFreeObjList
ord516
_adj_fprem1
ord519
__vbaStrCat
__vbaLsetFixstr
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
ord667
__vbaExitProc
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
_adj_fdivr_m16i
ord598
__vbaBoolVar
__vbaBoolVarNull
_CIsin
ord631
__vbaChkstk
ord526
__vbaFileClose
EVENT_SINK_AddRef
ord529
__vbaI2I4
DllFunctionCall
_adj_fpatan
__vbaFixstrConstruct
EVENT_SINK_Release
ord600
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
__vbaStrToUnicode
ord712
_adj_fprem
_adj_fdivr_m64
ord608
__vbaFPException
__vbaStrVarVal
__vbaVarCat
ord537
_CIlog
__vbaErrorOverflow
__vbaFileOpen
ord648
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaFreeStrList
_adj_fdivr_m32
ord577
_adj_fdiv_r
ord685
ord100
__vbaStrToAnsi
__vbaVarDup
__vbaFpI2
ord616
__vbaVarCopy
_CIatan
__vbaStrMove
_allmul
_CItan
_CIexp
__vbaFreeStr
__vbaFreeObj
ord580
Sections
.text Size: 40KB - Virtual size: 39KB
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: 24KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ