Behavioral task
behavioral1
Sample
5a46d0c37ddf795cd7f4bc38970bb0a73a574f81ab72526da1573c37b4b05f98.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
5a46d0c37ddf795cd7f4bc38970bb0a73a574f81ab72526da1573c37b4b05f98.exe
Resource
win10v2004-20240426-en
General
-
Target
5a46d0c37ddf795cd7f4bc38970bb0a73a574f81ab72526da1573c37b4b05f98
-
Size
232KB
-
MD5
5b3dbd38ab5921d766abebdb2d0f0ddd
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SHA1
162192ac367f0d5ea2cc4d8644c1fd4e2f999696
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SHA256
5a46d0c37ddf795cd7f4bc38970bb0a73a574f81ab72526da1573c37b4b05f98
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SHA512
7a76b6c311ad03fe994216b58189747ed8541d8316532610a4fa9515fae2d8099a5c34441c6a09bed51f6e442a5fa5c0d162aa403b97bde0211d12a095cfc3ad
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SSDEEP
3072:p1i/NU8bOMYcYYcmy51VRgiFCpCIXUWOLTsEsigcL3P6xxc1VOz1i/NU82OMYcYU:ri/NjO5xbg/CSUFLTwMjs6oi/N+O7
Malware Config
Signatures
-
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 5a46d0c37ddf795cd7f4bc38970bb0a73a574f81ab72526da1573c37b4b05f98
Files
-
5a46d0c37ddf795cd7f4bc38970bb0a73a574f81ab72526da1573c37b4b05f98.exe windows:4 windows x86 arch:x86
1a9fb32cefd2d95c73769ee8a5de8d81
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
__vbaStrVarMove
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
__vbaPut4
__vbaFreeObjList
_adj_fprem1
__vbaRecAnsiToUni
__vbaStrCat
__vbaLsetFixstr
__vbaSetSystemError
__vbaHresultCheckObj
__vbaNameFile
_adj_fdiv_m32
__vbaAryDestruct
ord593
ord594
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
_adj_fdivr_m16i
__vbaStrFixstr
__vbaBoolVarNull
_CIsin
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaStrCmp
__vbaAryConstruct2
__vbaGet4
__vbaObjVar
DllFunctionCall
__vbaVarLateMemSt
_adj_fpatan
__vbaRecUniToAnsi
EVENT_SINK_Release
ord600
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
_adj_fprem
_adj_fdivr_m64
ord608
ord716
__vbaFPException
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
ord537
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaInStr
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
ord681
__vbaFreeStrList
ord576
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaVarSetVar
__vbaI4Var
__vbaVarAdd
__vbaLateMemCall
__vbaVarDup
__vbaStrToAnsi
ord616
__vbaVarLateMemCallLd
__vbaVarCopy
_CIatan
__vbaStrMove
_allmul
_CItan
__vbaFPInt
_CIexp
__vbaFreeStr
__vbaFreeObj
Sections
UPX0 Size: 100KB - Virtual size: 100KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 96KB - Virtual size: 96KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE