Static task
static1
Behavioral task
behavioral1
Sample
RepStr.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
RepStr.exe
Resource
win10v2004-20230220-en
General
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Target
RepStr.exe
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Size
24KB
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MD5
51f5b550b21db72fb948a9bb06585bc7
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SHA1
3f22766410c60fe1788f90df77528f9e553b0e2f
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SHA256
137dce3eb036a9164e051efe793438285fd9684f4d5d984984c9153f55a205ab
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SHA512
c3983f4f1dcebb6d41b310598d0aae780a620502bf3e895f55f93892d240a3d368553cc5a404d67d600d47460b209784a7c47546051b0144e833229735268e73
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SSDEEP
192:dhFhtsS6/6nWe8AZLU0whM2FK3xpVxzEwCeJHr6yO:dhFhyn/O8AlU0uMTpVtceJHr6yO
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource RepStr.exe
Files
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RepStr.exe.exe windows x86
265e6ae181e0638056758fa05256c0c5
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
__vbaStrI2
_CIcos
_adj_fptan
__vbaVarMove
__vbaFreeVar
__vbaStrVarMove
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
_adj_fprem1
__vbaStrCat
ord660
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryVar
__vbaAryDestruct
ord595
__vbaObjSet
_adj_fdiv_m16i
_adj_fdivr_m16i
ord520
__vbaStrTextCmp
_CIsin
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
__vbaGenerateBoundsError
ord670
_adj_fpatan
EVENT_SINK_Release
__vbaNew
__vbaVarTextTstNe
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
ord711
ord712
__vbaPrintFile
_adj_fprem
_adj_fdivr_m64
__vbaFPException
__vbaStrVarVal
__vbaVarCat
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaNew2
__vbaInStr
ord648
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
ord610
__vbaAryLock
__vbaVarDup
ord612
_CIatan
__vbaAryCopy
__vbaStrMove
__vbaCastObj
_allmul
_CItan
__vbaAryUnlock
_CIexp
__vbaFreeStr
__vbaFreeObj
Sections
.text Size: 12KB - Virtual size: 8KB
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