Static task
static1
Behavioral task
behavioral1
Sample
ST_CS2_Loader.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
ST_CS2_Loader.exe
Resource
win10v2004-20240226-en
General
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Target
ST_CS2_Loader.exe
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Size
23.1MB
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MD5
f369b0afcd3f675aa3dff414f8fd2fa9
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SHA1
df88569cb19bf8987477616e7a12ed5357591ddc
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SHA256
9f650ecc2001a5de4efa5c38d92b41b0dcb4342e4615b624887e99fc7586cfcd
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SHA512
820b5ceee32df086c1ae67849c8264886bcb7a9b66ad8adc16901f696ff89f3b153426e2a4bb0c5847061d973fddd184604f62dc7ac8c0678a0c4837decd354f
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SSDEEP
393216:DS53pd5yk1zDczsdtWnPrB4Dy6QkSis1TV7X+pFyKttoyFKPz5AwLK:DIn5yk9D/tWnPNYhhSistX+p/ttvo75H
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ST_CS2_Loader.exe
Files
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ST_CS2_Loader.exe.exe windows:6 windows x64 arch:x64
98a794215c446314c3286d27916b4d3d
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
GetModuleHandleA
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress
user32
GetWindowLongW
msvcp140
_Query_perf_frequency
d3d11
D3D11CreateDeviceAndSwapChain
d3dcompiler_47
D3DCompile
dwmapi
DwmExtendFrameIntoClientArea
winmm
PlaySoundA
ntdll
RtlCaptureContext
imm32
ImmReleaseContext
vcruntime140_1
__CxxFrameHandler4
vcruntime140
memmove
api-ms-win-crt-heap-l1-1-0
_callnewh
api-ms-win-crt-runtime-l1-1-0
_errno
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
api-ms-win-crt-stdio-l1-1-0
__p__commode
api-ms-win-crt-time-l1-1-0
_time64
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-string-l1-1-0
strncmp
api-ms-win-crt-convert-l1-1-0
atof
api-ms-win-crt-math-l1-1-0
logf
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
Sections
.text Size: - Virtual size: 778KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 187KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 217KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xorstr0 Size: - Virtual size: 13.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.xorstr1 Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.xorstr2 Size: 23.1MB - Virtual size: 23.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 296B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ