Static task
static1
Behavioral task
behavioral1
Sample
beren.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
beren.exe
Resource
win7-20240215-en
Behavioral task
behavioral3
Sample
beren.exe
Resource
win10v2004-20240508-en
General
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Target
beren.exe
-
Size
5.0MB
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MD5
b1ac2ea973651a70ea72597e13a10f0a
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SHA1
07e7cdedc54067a46b1d42cdf8a2c9050c3d3419
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SHA256
e2cb500c902da55ac07cbfbe30b8d1cef8781e55f0439ed601672636c3ab8c47
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SHA512
02b0dbc8a31ca440027a6c07d618a92bb520567ccd338c28dfcb86faa5b56c866564cf1a05b1754dcfeb252d12d76da57fd2de87804454f0ef1097431764c1f0
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SSDEEP
98304:9l68nO7ed9W+WzUU3a7G9kzPupfguX8WpWY/FwWCghYjuFRx20iZGZ1:9UdedpWzUmuPeghvY9wvonVsE
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource beren.exe
Files
-
beren.exe.exe windows:6 windows x64 arch:x64
203d63d5d9a088e2d84cef737227986b
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
msvcrt
__C_specific_handler
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_fmode
_initterm
_onexit
_wcsicmp
_wcsnicmp
abort
calloc
exit
fprintf
free
fwrite
malloc
memcpy
memset
signal
strlen
strncmp
vfprintf
wcscat
wcscpy
wcslen
wcsncmp
wcsstr
kernel32
DeleteCriticalSection
EnterCriticalSection
GetLastError
InitializeCriticalSection
LeaveCriticalSection
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
Sections
.text Size: 35KB - Virtual size: 34KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5.0MB - Virtual size: 5.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 512B - Virtual size: 384B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 968B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 120B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ