Static task
static1
Behavioral task
behavioral1
Sample
dncyool32.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
dncyool32.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
sopidkc.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
sopidkc.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
tpsaxyd.exe
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
tpsaxyd.exe
Resource
win10v2004-20231215-en
General
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Target
21b936f429c6c6f34175c65f4db68dc2
-
Size
135KB
-
MD5
21b936f429c6c6f34175c65f4db68dc2
-
SHA1
022e69589c0c58d9daa097bf31f8686bf9cc3b9e
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SHA256
53b394235bdb1ef5ff1b0a36ab3645692f640e972654a12afbb36ea84bf947f5
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SHA512
9227c65966bff7ca2f921819cf72e5b5bcf75fc788a9da63d8b861d0a5af1ed2b52312557e041fc20ef912320cd0f8560fbba209ee563d31498ff7aa203fa5dc
-
SSDEEP
3072:nbpP9jC2F5bbarn/3U3AmTyb1YIBEFOZkCnV2ACYvI6NA:VVjPF5bbu/3zbp4CnvCF6NA
Malware Config
Signatures
-
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/dncyool32.sys unpack001/sopidkc.exe unpack001/tpsaxyd.exe
Files
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21b936f429c6c6f34175c65f4db68dc2.rar
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comsa32.sys
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dncyool32.sys.exe windows:4 windows x86 arch:x86
d7663051659675c2b81ccc7465d4e804
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
_CIcos
_adj_fptan
__vbaStrI4
__vbaVarMove
__vbaVarVargNofree
__vbaFreeVar
__vbaLateIdCall
__vbaLenBstr
__vbaLineInputStr
__vbaStrVarMove
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
__vbaFreeObjList
__vbaVarIndexLoadRef
_adj_fprem1
ord518
__vbaForEachCollAd
__vbaStrCat
__vbaLsetFixstr
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaLateMemSt
__vbaBoolStr
ord593
__vbaExitProc
ord594
__vbaObjSet
__vbaOnError
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaBoolVar
_CIsin
ord631
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
ord529
__vbaStrCmp
__vbaExitEachColl
__vbaVarTstEq
ord561
__vbaI2I4
__vbaObjVar
DllFunctionCall
__vbaCastObjVar
__vbaStrR4
_adj_fpatan
__vbaR4Var
__vbaFixstrConstruct
__vbaLateIdCallLd
EVENT_SINK_Release
_CIsqrt
__vbaObjIs
EVENT_SINK_QueryInterface
__vbaExceptHandler
__vbaPrintFile
__vbaStrToUnicode
ord712
_adj_fprem
_adj_fdivr_m64
__vbaI2Str
__vbaFPException
__vbaInStrVar
__vbaVarCat
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaVarLateMemCallLdRf
__vbaNew2
__vbaInStr
ord571
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaI4Var
__vbaVarAdd
__vbaLateMemCall
__vbaStrToAnsi
__vbaVarLateMemCallLd
__vbaFpI4
ord617
__vbaLateMemCallLd
_CIatan
__vbaI2ErrVar
__vbaCastObj
__vbaStrMove
__vbaR8IntI4
_allmul
__vbaLateIdSt
_CItan
__vbaNextEachCollAd
__vbaFPInt
_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: 3KB
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
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sopidkc.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 99KB - Virtual size: 99KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 3KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 12B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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tpsaxyd.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 127KB - Virtual size: 127KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 12B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ