Overview
overview
3Static
static
33561712709...�].exe
windows7-x64
13561712709...�].exe
windows10-2004-x64
13561712709...�].vbs
windows7-x64
13561712709...�].vbs
windows10-2004-x64
13561712709...at.vbs
windows7-x64
13561712709...at.vbs
windows10-2004-x64
13561712709...�].exe
windows7-x64
13561712709...�].exe
windows10-2004-x64
1Static task
static1
Behavioral task
behavioral1
Sample
3561712709/LanTalkServer/师生对话[主机].exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3561712709/LanTalkServer/师生对话[主机].exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
3561712709/LanTalkServer/师生对话[主机].vbs
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
3561712709/LanTalkServer/师生对话[主机].vbs
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
3561712709/LanTalkStudent/LanChat.vbs
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
3561712709/LanTalkStudent/LanChat.vbs
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
3561712709/LanTalkStudent/师生对话[学生].exe
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
3561712709/LanTalkStudent/师生对话[学生].exe
Resource
win10v2004-20231222-en
General
-
Target
5660b99829829c68eaa9660db101fc9c
-
Size
29KB
-
MD5
5660b99829829c68eaa9660db101fc9c
-
SHA1
04849ead6cb9d481397109ee9b3377639d496fde
-
SHA256
e9b4a55f10a35cf429470f4ac84ceab89a5cc4e0e91bac44cfb080c97ef8e3f1
-
SHA512
83ab308d3de28e6123aad9170be92ebc6f39d1c23f1d0b0e609c1c9248c9a62419694f6305c3044b68d1b00c87d12096e4f646987eb456aa71e57be0b31239b4
-
SSDEEP
768:p30khdlZckcR8a+BAVubDwcCFJoSSm93dslwVBahFvhPS5K:d1uvRN+i0vF+o8bBWFvhaw
Malware Config
Signatures
-
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/3561712709/LanTalkServer/师生对话[主机].exe unpack001/3561712709/LanTalkStudent/师生对话[学生].exe
Files
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5660b99829829c68eaa9660db101fc9c.rar
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3561712709/LanTalkServer/Lanchat.ico
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3561712709/LanTalkServer/MSSCCPRJ.SCC
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3561712709/LanTalkServer/师生对~1.log
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3561712709/LanTalkServer/师生对话[主机].exe.exe windows:4 windows x86 arch:x86
54ea0c920631ab5b042a391a98c5553f
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
__vbaLenBstr
__vbaStrVarMove
__vbaLateIdCall
ord588
__vbaFreeVarList
_adj_fdiv_m64
__vbaFreeObjList
ord516
_adj_fprem1
__vbaStrCat
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaExitProc
__vbaVarForInit
__vbaObjSet
__vbaOnError
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaBoolVarNull
_CIsin
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaStrCmp
__vbaVarTstEq
__vbaI2I4
DllFunctionCall
_adj_fpatan
EVENT_SINK_Release
_CIsqrt
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaExceptHandler
__vbaPrintFile
_adj_fprem
_adj_fdivr_m64
__vbaI2Str
ord608
__vbaFPException
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaI4Str
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaI4Var
__vbaVarCmpEq
ord610
ord612
ord617
_CIatan
__vbaStrMove
ord619
_allmul
__vbaLateIdSt
_CItan
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
Sections
.text Size: 44KB - Virtual size: 40KB
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
-
3561712709/LanTalkServer/师生对话[主机].frm.vbs
-
3561712709/LanTalkServer/师生对话[主机].frx
-
3561712709/LanTalkServer/师生对话[主机].vbp
-
3561712709/LanTalkServer/师生对话[主机].vbw
-
3561712709/LanTalkStudent/LanChat.frm.vbs
-
3561712709/LanTalkStudent/LanChat.frx
-
3561712709/LanTalkStudent/MSSCCPRJ.SCC
-
3561712709/LanTalkStudent/师生对话[学生].DEP
-
3561712709/LanTalkStudent/师生对话[学生].exe.exe windows:4 windows x86 arch:x86
5caa5ae4996f4d2ec3160b8768e8b818
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
__vbaVarTstGt
__vbaVarSub
__vbaStrI2
_CIcos
_adj_fptan
__vbaVarMove
__vbaFreeVar
__vbaLateIdCall
__vbaLenBstr
__vbaStrVarMove
ord588
__vbaFreeVarList
_adj_fdiv_m64
__vbaFreeObjList
ord516
_adj_fprem1
__vbaStrCat
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaVarTstLe
__vbaExitProc
__vbaVarForInit
__vbaObjSet
ord595
__vbaOnError
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
_CIsin
__vbaChkstk
EVENT_SINK_AddRef
__vbaStrCmp
__vbaVarTstEq
__vbaI2I4
DllFunctionCall
_adj_fpatan
__vbaLateIdCallLd
EVENT_SINK_Release
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
_adj_fprem
_adj_fdivr_m64
ord607
ord608
__vbaFPException
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
_CIlog
__vbaErrorOverflow
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaI4Var
__vbaVarAdd
__vbaVarDup
ord612
ord617
_CIatan
__vbaStrMove
ord619
_allmul
__vbaLateIdSt
_CItan
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
Sections
.text Size: 20KB - Virtual size: 19KB
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
-
3561712709/LanTalkStudent/师生对话[学生].vbp
-
3561712709/LanTalkStudent/师生对话[学生].vbw
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3561712709/下载说明.htm.html .js polyglot
-
3561712709/说明.txt