Behavioral task
behavioral1
Sample
bff6f8df40051fefad46810f828e6af6.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bff6f8df40051fefad46810f828e6af6.exe
Resource
win10v2004-20240226-en
General
-
Target
bff6f8df40051fefad46810f828e6af6
-
Size
76KB
-
MD5
bff6f8df40051fefad46810f828e6af6
-
SHA1
b63693af86017db66ca7b653e32878d5f1ea9e06
-
SHA256
3be5431d34e5e7d9b6c4e3669890539e70b48cad96556bbcda4c7e1fec50c97a
-
SHA512
519ac25187353b2fb02701a797e17fbb7e856eb6b24235b0055d91e523ad888ca906da3aee6bcc54d8c7337cb83002fa691914e66a2fbd4387959822b262b5b7
-
SSDEEP
768:RD5gffUsPVRbQyZ9jj+0z7+LHfWpmAp6zjqXXSm/kB:RD5KnEyZ9jj+a7+LHfWpmXzjqnSmM
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource bff6f8df40051fefad46810f828e6af6
Files
-
bff6f8df40051fefad46810f828e6af6.exe windows:4 windows x86 arch:x86
1a905ab34df4b8fd38644de07b3d1c4f
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
msvbvm50
_CIcos
_adj_fptan
__vbaVarMove
__vbaStrI4
__vbaFreeVar
__vbaLenBstr
__vbaStrVarMove
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
__vbaFreeObjList
_adj_fprem1
__vbaRecAnsiToUni
__vbaStrCat
__vbaLsetFixstr
__vbaWriteFile
__vbaSetSystemError
__vbaNameFile
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
_adj_fdivr_m16i
__vbaStrFixstr
_CIsin
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
__vbaStrCmp
__vbaVarTstEq
__vbaI2I4
DllFunctionCall
_adj_fpatan
__vbaFixstrConstruct
__vbaRecUniToAnsi
EVENT_SINK_Release
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
__vbaStrToUnicode
__vbaInputFile
_adj_fprem
_adj_fdivr_m64
__vbaFPException
__vbaInStrVar
__vbaVarCat
__vbaI2Var
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaInStr
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
__vbaVarTstNe
__vbaVarAdd
__vbaStrToAnsi
__vbaVarDup
_CIatan
__vbaStrMove
_allmul
_CItan
_CIexp
__vbaFreeObj
__vbaFreeStr
Sections
UPX0 Size: 72KB - Virtual size: 72KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.avp Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE