Static task
static1
Behavioral task
behavioral1
Sample
skypetollalt.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
skypetollalt.exe
Resource
win10v2004-20230220-en
General
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Target
skypetollalt.exe
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Size
184KB
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MD5
a672ca8dd41b3e11fd8fee9834f6bb38
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SHA1
3fded1ad23c347dd6b0818a301416cf888751a86
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SHA256
aa721e240940856fb45645dde64d1e9e76c9a04083e5c3a3b835666af88216ff
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SHA512
07e38bf379900e7a1d4c2f579d55d833efec0be46c3d6138fcbbda6a8e0051427d8ffb03f768573cdf9b4f073da3047bc5ae14508b44d43ca434057c5bcac31e
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SSDEEP
3072:5838ITxJgmjOcRe2lQBV+UdE+rECWp7hKPup:583ngGZSBV+UdvrEFp7hKmp
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource skypetollalt.exe
Files
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skypetollalt.exe.exe windows x86
b1c574d0f5d1cfcfe817fbb322234d33
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
__vbaFreeVar
_adj_fdiv_m64
__vbaFreeObjList
_adj_fprem1
__vbaStrCat
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaObjSet
_adj_fdiv_m16i
_adj_fdivr_m16i
_CIsin
__vbaChkstk
EVENT_SINK_AddRef
__vbaCastObjVar
_adj_fpatan
__vbaLateIdCallLd
EVENT_SINK_Release
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
_adj_fprem
_adj_fdivr_m64
__vbaFPException
_CIlog
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
_CIatan
__vbaStrMove
_allmul
_CItan
_CIexp
__vbaFreeStr
Sections
.text Size: 96KB - Virtual size: 93KB
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