Behavioral task
behavioral1
Sample
65816f0ec95d4d9bc5f962ea94fb244a870607a989acbdbbbd84dd525ded63f2.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
65816f0ec95d4d9bc5f962ea94fb244a870607a989acbdbbbd84dd525ded63f2.exe
Resource
win10v2004-20230703-en
General
-
Target
65816f0ec95d4d9bc5f962ea94fb244a870607a989acbdbbbd84dd525ded63f2
-
Size
64KB
-
MD5
256b869e5affcc4f55a16348467d8f55
-
SHA1
05a31b0f7ec22942bc4c41ca79f4b741cf88770f
-
SHA256
65816f0ec95d4d9bc5f962ea94fb244a870607a989acbdbbbd84dd525ded63f2
-
SHA512
c85445dc85aeb745ef73b0a1f6432e0de9e8b5e81d85ec575a8dc8fbe762be56012a5553a4b96a8f27c642e1aa555e0fa46f865419025607c594a00d10d18506
-
SSDEEP
768:EJyv/QudG0GnMUbtpZpXBWOnnKSqu3XAKIc3:EAv4udWLVlBtIEXADi
Malware Config
Extracted
guloader
https://onedrive.live.com/download?cid=1550143AA6F30C4B&resid=1550143AA6F30C4B%21111&authkey=AGgC6wX6Aua_0vk
Signatures
-
Guloader family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 65816f0ec95d4d9bc5f962ea94fb244a870607a989acbdbbbd84dd525ded63f2
Files
-
65816f0ec95d4d9bc5f962ea94fb244a870607a989acbdbbbd84dd525ded63f2.exe windows x86
c1cedb27582df92e9be66cf91ed1d0aa
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
ord583
_CIcos
_adj_fptan
__vbaVarMove
__vbaFreeVar
__vbaFreeVarList
ord697
_adj_fdiv_m64
ord514
__vbaFreeObjList
_adj_fprem1
__vbaStrCat
ord554
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryVar
ord666
__vbaAryDestruct
__vbaLateMemSt
ord591
__vbaObjSet
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaFpR8
_CIsin
ord631
ord632
__vbaChkstk
EVENT_SINK_AddRef
ord527
__vbaStrCmp
__vbaObjVar
ord562
__vbaCastObjVar
_adj_fpatan
EVENT_SINK_Release
ord600
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
ord711
_adj_fprem
_adj_fdivr_m64
ord608
__vbaFPException
ord534
ord536
_CIlog
__vbaFileOpen
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaVarSetObj
__vbaStrCopy
__vbaI4Str
__vbaFreeStrList
__vbaDerefAry1
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaLateMemCall
__vbaVarDup
ord613
ord615
__vbaFpI4
__vbaVarLateMemCallLd
ord616
__vbaLateMemCallLd
_CIatan
__vbaCastObj
__vbaAryCopy
__vbaStrMove
_allmul
_CItan
ord547
_CIexp
__vbaFreeObj
__vbaFreeStr
Sections
.text Size: 52KB - Virtual size: 50KB
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