MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ef0e8df5c700e64d5d2e8dde4c9b5c117abfc919c676ff383019c585e8e367b0. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
BuerLoader
Vendor detections: 3
| SHA256 hash: | ef0e8df5c700e64d5d2e8dde4c9b5c117abfc919c676ff383019c585e8e367b0 |
|---|---|
| SHA3-384 hash: | 52664b42710d402359e172c54b1ad3131463f5e8393bd01e0438d8d3f1944077da3041563912ac7582421b6310172600 |
| SHA1 hash: | 741e0d1c224e813fbc77b379ae8cd75f99f05821 |
| MD5 hash: | 3e3563c9eb5692e5ef8957b5cccc6388 |
| humanhash: | william-robert-illinois-quebec |
| File name: | winlog.exe |
| Download: | download sample |
| Signature | BuerLoader |
| File size: | 834'048 bytes |
| First seen: | 2020-03-31 15:50:01 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e1a8728e60ec0593f1f12c5e9fe3b05a (1 x BuerLoader) |
| ssdeep | 12288:/GilCW+S1ahFGDjdr46SVI/2ioHBsofv7p6q+fEWmyCCjbTckCH00bI:/ULgr46SV82lfZGXgPb |
| Threatray | 9 similar samples on MalwareBazaar |
| TLSH | DF05AF21F650C071E5A2027786BADBA22A3D7F101F2946D377D43A9CAE705D1BE3A707 |
| Reporter |  James_inthe_box |
| Tags: | BuerLoader exe |
Intelligence
File Origin
Vendor Threat Intelligence
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | win_buer_g0 |
|---|---|
| Author: | Slavo Greminger, SWITCH-CERT |
| Rule name: | win_tinynuke_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteA |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessA KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetSystemInfo KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleWindow KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileA KERNEL32.dll::DeleteFileA KERNEL32.dll::GetTempPathA |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegQueryValueExA |
| WIN_SVC_API | Can Manipulate Windows Services | ADVAPI32.dll::ControlService ADVAPI32.dll::CreateServiceA ADVAPI32.dll::OpenSCManagerA ADVAPI32.dll::OpenServiceA ADVAPI32.dll::QueryServiceConfigA ADVAPI32.dll::QueryServiceStatus |
| WIN_USER_API | Performs GUI Actions | USER32.dll::CreateWindowExA |
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