Static task
static1
Behavioral task
behavioral1
Sample
CsTreT.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
CsTreT.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
Rose9.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
Rose9.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
[P][W]X3.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
[P][W]X3.dll
Resource
win10v2004-20231215-en
General
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Target
79472fd2689a204f8d846d17b466ef94
-
Size
66KB
-
MD5
79472fd2689a204f8d846d17b466ef94
-
SHA1
1053cd882dbf5ebb5281de1bef63d1238847649d
-
SHA256
41c295d1f925a259c70dde42a8bbfbfda60afb815ceb5f30264f9828bd7d8872
-
SHA512
52febfc7d0d1aaeb71aefd9f51c592277783fbdae34e1653cf975add435488de9d9c6f45bf3d6153f8876aa09a27ca17f79f9de3319d90f8f25fd3dea521c47e
-
SSDEEP
768:euXaPtmy/RtWAEXunxVbV9x/AXV/6fkKjH2+qnc14La/rxzVAFS1o9G1YbWlg11V:bXItv/RtsWxhFAl/Rg9qmDCWsjsg1ubo
Malware Config
Signatures
-
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/CsTreT.exe unpack001/Rose9.dll unpack001/[P][W]X3.dll
Files
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79472fd2689a204f8d846d17b466ef94.rar
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CsTreT.exe.exe windows:4 windows x86 arch:x86
050bff59cc6cd3b183a88a4b4851ad77
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
__vbaVarSub
__vbaI2Sgn
_CIcos
_adj_fptan
__vbaStrI4
__vbaVarMove
__vbaVarVargNofree
__vbaFreeVar
__vbaLenBstr
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
__vbaFreeObjList
ord516
ord517
_adj_fprem1
__vbaRecAnsiToUni
ord519
__vbaCopyBytes
__vbaStrCat
__vbaLsetFixstr
__vbaRecDestruct
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryDestruct
__vbaExitProc
__vbaVarForInit
__vbaOnError
__vbaObjSet
ord595
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaFpR4
__vbaStrFixstr
__vbaVarTstLt
_CIsin
ord631
ord525
__vbaChkstk
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaStrCmp
__vbaI2I4
DllFunctionCall
__vbaCastObjVar
__vbaRedimPreserve
_adj_fpatan
__vbaLateIdCallLd
__vbaRedim
__vbaRecUniToAnsi
EVENT_SINK_Release
__vbaUI1I2
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
__vbaStrToUnicode
ord606
_adj_fprem
_adj_fdivr_m64
__vbaVarDiv
__vbaFPException
__vbaInStrVar
__vbaStrVarVal
__vbaUbound
ord535
__vbaI2Var
ord537
ord645
_CIlog
__vbaErrorOverflow
__vbaR8Str
__vbaInStr
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaI4Var
__vbaVarDup
__vbaStrToAnsi
ord616
__vbaFpI4
__vbaRecDestructAnsi
_CIatan
ord618
__vbaStrMove
__vbaCastObj
__vbaStrVarCopy
_allmul
__vbaLateIdSt
_CItan
__vbaVarForNext
_CIexp
__vbaMidStmtBstr
__vbaFreeObj
__vbaFreeStr
Sections
.text Size: 60KB - Virtual size: 59KB
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: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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Hotkey Rose.dll.txt
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Rose9.dll.dll windows:5 windows x86 arch:x86
820ab24e53af2dbafc74d24f87e40262
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
user32
MessageBoxA
comctl32
InitCommonControls
kernel32
LoadLibraryA
GetProcAddress
Sections
UkiraF4 Size: 3KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UkiraF4 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UkiraF4 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UkiraF4 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UkiraF4 Size: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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[P][W]X3.dll.dll windows:4 windows x86 arch:x86
be3aeb6646a186fad4dd8aa946d84c53
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
IMAGE_FILE_DLL
Imports
kernel32
AddAtomA
CreateThread
DisableThreadLibraryCalls
FindAtomA
GetAtomNameA
GetModuleHandleA
Sleep
VirtualProtect
msvcrt
_beep
__dllonexit
_errno
_iob
abort
fflush
fprintf
free
malloc
memcpy
user32
GetAsyncKeyState
MessageBeep
MessageBoxA
Sections
.text Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 48B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 400B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 176B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 760B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 780B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 248B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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hotkey PWX3.dll.txt