Behavioral task
behavioral1
Sample
CB.exe
Resource
win10v2004-20230220-en
General
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Target
CB.exe
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Size
5.1MB
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MD5
b136e03181907d7a13a022e9d886718b
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SHA1
a80e8a6ac568b619d809c4ed1ed0ed11e88ecd8d
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SHA256
f8389744bb071fab9a6e365fa87ddf7948888aeab63f3f8f00041f950a43b763
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SHA512
4ea226f0dbb08c814efb6bc986c31b0b8af9de2f537b93754985f93bcd4c727c8f7841bdb72176b5dc66a65d39330c3db0ef0ed9c93e545d8d90b01b1fd8e728
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SSDEEP
98304:wfqA3sgnRpptjQmtnT1tpIyuUGT2+ZhIXbck9TSrSd:lAcgnRhht//u9T2+ZiXDx
Malware Config
Signatures
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resource yara_rule sample vmprotect -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource CB.exe
Files
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CB.exe.exe windows x86
1223536f3e7d9a74890e57e8cbdd2379
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
ws2_32
WSAGetLastError
kernel32
GetVersionExA
CompareFileTime
GetModuleFileNameW
GetModuleHandleA
LoadLibraryA
LocalAlloc
LocalFree
GetModuleFileNameA
ExitProcess
user32
CharUpperBuffW
advapi32
CryptCreateHash
msvcp140
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
vcruntime140
__current_exception_context
api-ms-win-crt-utility-l1-1-0
srand
api-ms-win-crt-stdio-l1-1-0
__p__commode
api-ms-win-crt-string-l1-1-0
towupper
api-ms-win-crt-runtime-l1-1-0
_seh_filter_exe
api-ms-win-crt-time-l1-1-0
_mktime64
api-ms-win-crt-heap-l1-1-0
malloc
api-ms-win-crt-convert-l1-1-0
_atoi64
api-ms-win-crt-environment-l1-1-0
_dupenv_s
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: - Virtual size: 1.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 679KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 218KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.vmp0 Size: - Virtual size: 1.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.vmp1 Size: 5.0MB - Virtual size: 5.0MB
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: 240B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 129KB - Virtual size: 129KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ