NMCO_CallNMFunc
Behavioral task
behavioral1
Sample
b20f5b31c1a0fd0c00705f37e456070bd7b5796662e34931574e76c7eb1e7f88.dll
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
b20f5b31c1a0fd0c00705f37e456070bd7b5796662e34931574e76c7eb1e7f88.dll
Resource
win10v2004-20230221-en
General
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Target
b20f5b31c1a0fd0c00705f37e456070bd7b5796662e34931574e76c7eb1e7f88
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Size
319KB
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MD5
c02927ee260cbf24196d12181cb31855
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SHA1
9acc446f4a3c4939869caaa71626854c405343ab
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SHA256
b20f5b31c1a0fd0c00705f37e456070bd7b5796662e34931574e76c7eb1e7f88
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SHA512
a33cb49c40227190bb0eb561dd0921e4e45292647d2d3f5f88cf2cfa2cdf0c57cd99fb02f392a027ef52f582592a47d4e5b4f979b7670f3f790beae90e0c1c9d
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SSDEEP
6144:SL5TBtaDlFVH1hIzPK7es9f9TTmH4o8Uj1DQEKxBRvHxjc/Ajm3b:SL5T7a7Vw0J9U4o8ZEKxBzupb
Malware Config
Signatures
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resource yara_rule sample vmprotect -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b20f5b31c1a0fd0c00705f37e456070bd7b5796662e34931574e76c7eb1e7f88
Files
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b20f5b31c1a0fd0c00705f37e456070bd7b5796662e34931574e76c7eb1e7f88.dll windows x86
5c6a49ba7dc0ca5aa04015c4cac6f76b
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
VirtualProtect
GetModuleFileNameW
GetModuleHandleA
LoadLibraryA
LocalAlloc
LocalFree
GetModuleFileNameA
ExitProcess
user32
RegisterClassExA
advapi32
OpenProcessToken
oleaut32
SysAllocString
ws2_32
WSAAddressToStringA
msvcp140
?uncaught_exception@std@@YA_NXZ
vcruntime140
memmove
api-ms-win-crt-heap-l1-1-0
calloc
api-ms-win-crt-runtime-l1-1-0
_initterm
api-ms-win-crt-stdio-l1-1-0
__stdio_common_vsprintf_s
api-ms-win-crt-time-l1-1-0
_time64
api-ms-win-crt-string-l1-1-0
isalnum
api-ms-win-crt-multibyte-l1-1-0
_mbscmp
Exports
Exports
Sections
.text Size: - Virtual size: 64KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 44KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.detourc Size: - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.detourd Size: - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.vmp0 Size: - Virtual size: 226KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp1 Size: 272KB - Virtual size: 271KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 156B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ