Static task
static1
Behavioral task
behavioral1
Sample
Atualizar.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Atualizar.exe
Resource
win10v2004-20230220-en
General
-
Target
Atualizar.exe
-
Size
24KB
-
MD5
5261d0bd59b81140ed1d57dd5cfd0746
-
SHA1
93cab949052dde804e8cb49d64e1a8f971385484
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SHA256
d9c30ba0f958f975cf878769ca675f1a773b34993d25edd7ebb218a16520a318
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SHA512
4021c2168a14633ed1679e3ffb07d056c5eadf85c060754df2f21070629f0f9cc3a6777365b8b5347ef069ebe2cb2233c9fa6030746bf7d02858a96394b5a188
-
SSDEEP
192:/TdWjq9rZ145H3hM/NsjNPcyE3nBCAmdbDY3ET:/TkSN145H3q/i5Up3nAbDY3ET
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Atualizar.exe
Files
-
Atualizar.exe.exe windows x86
a1fbb15de3f5ccffa01fb7556264f724
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
__vbaStrI4
__vbaFreeVar
__vbaAryMove
__vbaLateIdCall
__vbaStrVarMove
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
_adj_fprem1
__vbaStrCat
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryDestruct
__vbaObjSet
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaBoolVar
_CIsin
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
__vbaPutOwner3
__vbaR4Str
__vbaI2I4
_adj_fpatan
__vbaLateIdCallLd
EVENT_SINK_Release
ord600
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
_adj_fprem
_adj_fdivr_m64
ord714
__vbaFPException
__vbaUbound
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaNew2
ord648
__vbaVar2Vec
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaVarDup
__vbaFpI4
_CIatan
__vbaStrMove
_allmul
__vbaLateIdSt
_CItan
_CIexp
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 12KB - Virtual size: 9KB
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