Static task
static1
Behavioral task
behavioral1
Sample
SURPRISE.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
SURPRISE.exe
Resource
win10v2004-20240226-en
General
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Target
c8f649e14e66770a1e621bf62208af2a
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Size
3KB
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MD5
c8f649e14e66770a1e621bf62208af2a
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SHA1
97753b12725da38bbf78ff7b1a9c7efbc3f8b7d0
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SHA256
45f4332aa07b074b923b8928f0ba0488cddba553b4b0c791036f4a542ffac3bc
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SHA512
95253df966dbf245d6ee41d79d2da84e4cd20065fcc37d69ad66fe310852e321d66e4804fc127add0691264f84a9450ab5e89d3a510246bfba3b11b35430b349
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/SURPRISE.EXE
Files
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c8f649e14e66770a1e621bf62208af2a.rar
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SURPRISE.EXE.exe windows:4 windows x86 arch:x86
e3d67f3fe92f06106c60392e2f5add98
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
msvbvm50
_CIcos
_adj_fptan
__vbaFreeVarList
_adj_fdiv_m64
_adj_fprem1
__vbaHresultCheckObj
_adj_fdiv_m32
ord595
_adj_fdiv_m16i
_adj_fdivr_m16i
_CIsin
__vbaChkstk
EVENT_SINK_AddRef
_adj_fpatan
EVENT_SINK_Release
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
_adj_fprem
_adj_fdivr_m64
__vbaFPException
_CIlog
__vbaErrorOverflow
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaVarDup
_CIatan
_allmul
_CItan
_CIexp
Sections
.text Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 844B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 494B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ