Static task
static1
Behavioral task
behavioral1
Sample
mbr-locker.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
mbr-locker.exe
Resource
win10v2004-20230703-en
General
-
Target
mbr-locker.exe
-
Size
10KB
-
MD5
df4c4198a49b9be1096c95b217354f3c
-
SHA1
48cab6a1e70e992fbf872301f61518d1231cc6b9
-
SHA256
5adadbd942d1418f932d4bec03e292577125d25260578573372accef26fd7671
-
SHA512
b383ae2404394920afb41311d96009c8c0dc048a0ae088e3c1a8230fe54fe217f82c21fb83977fbe25188316ef83ea89e39f1533e77181acb567b1eabbf126ef
-
SSDEEP
96:ylcrqC4RquUqCLm8OlTckBcf0hKMqizc7ck5/1w:XrqvqucLm8OrcchKMqiYZ5/1w
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource mbr-locker.exe
Files
-
mbr-locker.exe.exe windows x86
91b2790c505bbe69e215e722d884b1b4
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
advapi32
AdjustTokenPrivileges
LookupPrivilegeValueA
OpenProcessToken
crtdll
sprintf
kernel32
CreateProcessA
GlobalAddAtomA
GlobalFindAtomA
GetVersion
GetTempPathA
GetTickCount
ExitProcess
GetModuleFileNameA
CopyFileA
Sleep
CloseHandle
GetModuleHandleA
GetCurrentProcess
CreateFileA
ReadFile
SetFilePointer
WriteFile
GetFileSize
GlobalAlloc
DeleteFileA
user32
ExitWindowsEx
shell32
ShellExecuteA
Sections
.text Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ