Behavioral task
behavioral1
Sample
1115c58aa108cea8b56c3c7c9239f1b0_NEAS.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
1115c58aa108cea8b56c3c7c9239f1b0_NEAS.exe
Resource
win10v2004-20240419-en
General
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Target
1115c58aa108cea8b56c3c7c9239f1b0_NEAS
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Size
349KB
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MD5
1115c58aa108cea8b56c3c7c9239f1b0
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SHA1
f772003583a29529a0cb7b67fd154158aaa0b9d8
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SHA256
8c2118f584af8d53e2aeeb63fc62c762d06f71ed5d99ca74a9a83924ff6cfaf9
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SHA512
950ba931bdad9c208f1d16d6b3ec0e8fe72d6fdb8efb67483268d701bf7d3354166a7c13dc4508ce75e3e08c231ec846fde00fbed1f223a23c49954cb5b2c54c
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SSDEEP
6144:qOdEdCXnPOwXYrMdlpfDFk/pB7gl0cziyqczZd7LFO3A9xoLBZ9oGnFnj+MpZfPX:TedHwIKfDy/phgeczlqczZd7LFB3oFHF
Malware Config
Signatures
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Berbew family
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Malware Dropper & Backdoor - Berbew 1 IoCs
Berbew is a backdoor Trojan malware with capabilities to download and install a range of additional malicious software, such as other Trojans, ransomware, and cryptominers.
resource yara_rule sample family_berbew -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 1115c58aa108cea8b56c3c7c9239f1b0_NEAS
Files
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1115c58aa108cea8b56c3c7c9239f1b0_NEAS.exe windows:1 windows x86 arch:x86
62ec3dce1eba1b68f6a4511bb09f8c2c
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
ole32
CoCreateInstance
CLSIDFromString
CoInitialize
CoUninitialize
oleaut32
SysAllocString
wininet
DeleteUrlCacheEntry
FindFirstUrlCacheEntryA
FindNextUrlCacheEntryA
kernel32
ExitProcess
ExpandEnvironmentStringsA
GetCommandLineA
GetComputerNameA
GetCurrentProcessId
GetCurrentThreadId
GetExitCodeThread
GetFileSize
GetModuleFileNameA
GetModuleHandleA
CloseHandle
GetProcAddress
GetSystemDirectoryA
GetTempPathA
GetTickCount
GetVersion
GetVersionExA
GetWindowsDirectoryA
GlobalMemoryStatus
CopyFileA
InterlockedIncrement
IsBadReadPtr
IsBadWritePtr
LoadLibraryA
LocalAlloc
LocalFree
OpenMutexA
CreateFileA
ReadFile
RtlUnwind
SetFilePointer
CreateMutexA
Sleep
TerminateProcess
VirtualQuery
CreateProcessA
WaitForSingleObject
WideCharToMultiByte
WinExec
WriteFile
lstrlenA
lstrlenW
CreateThread
DeleteFileA
user32
GetWindowTextA
GetWindowRect
FindWindowA
GetWindow
GetClassNameA
SetFocus
GetForegroundWindow
LoadCursorA
LoadIconA
SetTimer
RegisterClassA
MessageBoxA
GetMessageA
GetWindowLongA
SetWindowLongA
CreateDesktopA
SetThreadDesktop
GetThreadDesktop
TranslateMessage
DispatchMessageA
SendMessageA
PostQuitMessage
ShowWindow
CreateWindowExA
DestroyWindow
MoveWindow
DefWindowProcA
CallWindowProcA
gdi32
GetStockObject
SetBkColor
SetTextColor
CreateBrushIndirect
CreateFontA
advapi32
GetUserNameA
RegCreateKeyExA
RegCloseKey
RegOpenKeyExA
RegQueryValueExA
RegSetValueExA
GetSecurityInfo
SetSecurityInfo
SetEntriesInAclA
crtdll
__GetMainArgs
_sleep
_stricmp
atoi
exit
memcpy
memset
printf
raise
rand
signal
sprintf
srand
sscanf
strcat
strchr
strncmp
vsprintf
msvcrt
memchr
Sections
.text Size: 31KB - Virtual size: 31KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 132KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.kofbl Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.l1 Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE