rundll
Behavioral task
behavioral1
Sample
4c09e8e3a1d837f125ea9f9c0c2c5380.dll
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
4c09e8e3a1d837f125ea9f9c0c2c5380.dll
Resource
win10v2004-20230220-en
General
-
Target
4c09e8e3a1d837f125ea9f9c0c2c5380.exe
-
Size
17KB
-
MD5
4c09e8e3a1d837f125ea9f9c0c2c5380
-
SHA1
0221f489cdef441afad424b5954d07b432d0b8e8
-
SHA256
44d91bcc9c29ea92d933095d707a0040e39b08d1c52099014d58eceecbbe3ace
-
SHA512
d4d80d2e0280e675ab86862b975dea298facc19f2e51533ab257ef2003a33a3fc60b0b0cc6c73059657f3599420cd0df8976278c47614641362c4832c40736d0
-
SSDEEP
384:bHqHNJzn0I71uAstwLW8X4ne7OH0yJLhv812MG6CQ:bHrv5fdv8kc
Malware Config
Extracted
systembc
65.21.119.52:4277
localhost.exchange:4277
Signatures
-
Systembc family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 4c09e8e3a1d837f125ea9f9c0c2c5380.exe
Files
-
4c09e8e3a1d837f125ea9f9c0c2c5380.exe.dll windows x64
9d40dd67bb6cfbfeb09c141d693f05f0
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
user32
wsprintfA
ws2_32
getaddrinfo
closesocket
shutdown
send
setsockopt
freeaddrinfo
recv
WSAIoctl
select
connect
inet_ntoa
inet_addr
htons
ioctlsocket
WSAStartup
socket
advapi32
GetTokenInformation
OpenProcessToken
GetSidSubAuthority
kernel32
WriteFile
SetFilePointer
CreateFileA
VirtualFree
LocalFree
LocalAlloc
GetLocalTime
SetEvent
WaitForSingleObject
ExitThread
CloseHandle
CreateThread
GetVolumeInformationA
VirtualAlloc
SystemTimeToFileTime
Sleep
GetCurrentProcess
FileTimeToSystemTime
CreateEventA
secur32
GetUserNameExA
GetUserNameExW
ole32
CoUninitialize
CoCreateInstance
CoInitialize
Exports
Exports
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 595B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 512B - Virtual size: 432B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ