Behavioral task
behavioral1
Sample
43f1b5da81c82079305ad661e1b2f6b9fe85aa06016c8233a61922ef3f0117ca.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
43f1b5da81c82079305ad661e1b2f6b9fe85aa06016c8233a61922ef3f0117ca.exe
Resource
win10v2004-20240611-en
General
-
Target
43f1b5da81c82079305ad661e1b2f6b9fe85aa06016c8233a61922ef3f0117ca
-
Size
232KB
-
MD5
b177214f1b272ffaebe6a31be870128a
-
SHA1
47404a796353b29e2e365da0ad1a6eb8dc74b87f
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SHA256
43f1b5da81c82079305ad661e1b2f6b9fe85aa06016c8233a61922ef3f0117ca
-
SHA512
47a07f2d4f397c82d0176c7cec7630f74f687bddf94be764c0f375514654656ea9565e85f91aa10c7a0bd1bafd24ef9c4a854370aaa2815af8225195f3c24289
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SSDEEP
3072:D1i/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 43f1b5da81c82079305ad661e1b2f6b9fe85aa06016c8233a61922ef3f0117ca
Files
-
43f1b5da81c82079305ad661e1b2f6b9fe85aa06016c8233a61922ef3f0117ca.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