Behavioral task
behavioral1
Sample
2a3f6b863e1fb5737f786c386ab12acbc96aba17ac2a0578279de66202c9f3a6.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2a3f6b863e1fb5737f786c386ab12acbc96aba17ac2a0578279de66202c9f3a6.exe
Resource
win10v2004-20240226-en
General
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Target
2a3f6b863e1fb5737f786c386ab12acbc96aba17ac2a0578279de66202c9f3a6
-
Size
204KB
-
MD5
950de0a73ad2e7dccc61c66a71bd8832
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SHA1
bd2258ad0eaed26b24dc3cf3b042d6a89edb13bb
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SHA256
2a3f6b863e1fb5737f786c386ab12acbc96aba17ac2a0578279de66202c9f3a6
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SHA512
39067ec2adf6e6ce66e15ebb3d0fcd2386a7ed869c8b027eab9b25bb53118eb2d61d2f1471f65f3edbfe27b10fa460c4c70348de0a34e785271b23ca59988e9c
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SSDEEP
3072:zOfKQJcinxphkG5Q6GdpIOkJHhKRyOXK:zmKQJ5xEG2NpRbtX
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2a3f6b863e1fb5737f786c386ab12acbc96aba17ac2a0578279de66202c9f3a6
Files
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2a3f6b863e1fb5737f786c386ab12acbc96aba17ac2a0578279de66202c9f3a6.exe windows:4 windows x86 arch:x86
98b548d5dc7e6b336a82cfac5c64dc00
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
__vbaVarVargNofree
__vbaFreeVar
__vbaGosubReturn
__vbaStrVarMove
__vbaEnd
__vbaVarIdiv
__vbaFreeVarList
_adj_fdiv_m64
ord513
_adj_fprem1
__vbaStrCat
__vbaVarCmpNe
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
ord667
__vbaAryDestruct
__vbaVarForInit
__vbaCyAdd
_adj_fdiv_m16i
_adj_fdivr_m16i
__vbaBoolVarNull
__vbaRefVarAry
_CIsin
ord632
__vbaChkstk
__vbaGosubFree
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaStrCmp
__vbaAryConstruct2
__vbaCyI4
DllFunctionCall
__vbaFpUI1
__vbaLbound
_adj_fpatan
__vbaRedim
EVENT_SINK_Release
__vbaUI1I2
_CIsqrt
EVENT_SINK_QueryInterface
__vbaUI1I4
__vbaExceptHandler
__vbaStrToUnicode
_adj_fprem
_adj_fdivr_m64
__vbaGosub
__vbaFPException
__vbaUbound
__vbaR4ForNextCheck
__vbaVarCat
_CIlog
__vbaErrorOverflow
__vbaNew2
__vbaR8Str
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaFreeStrList
__vbaVarNot
__vbaDerefAry1
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaI4Var
__vbaAryLock
__vbaVarAdd
__vbaStrToAnsi
__vbaVarDup
__vbaFpI4
_CIatan
__vbaStrMove
__vbaI4Cy
__vbaStrVarCopy
_allmul
_CItan
__vbaAryUnlock
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaI4ErrVar
__vbaFreeObj
Sections
UPX0 Size: 56KB - Virtual size: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 64KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 80KB - Virtual size: 80KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE