MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 eca4673c4308cb6dfd3757fcda824d93b7076fa2b2e7b2912863cdc4cb3f422e. 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
FormBook
Vendor detections: 4
| SHA256 hash: | eca4673c4308cb6dfd3757fcda824d93b7076fa2b2e7b2912863cdc4cb3f422e |
|---|---|
| SHA3-384 hash: | 087ce97f0623184de9c4aad6f1d82b81928b022282bd29d91407547839d181818981a040b0302a2c4914c42f535f8520 |
| SHA1 hash: | f8d2e27a9c9d70d88835813dad8b78420c1536e4 |
| MD5 hash: | b206244b1f7228165a180bd9ffe17f81 |
| humanhash: | zebra-uniform-asparagus-ten |
| File name: | blk.exe |
| Download: | download sample |
| Signature | FormBook |
| File size: | 728'576 bytes |
| First seen: | 2020-04-23 04:27:30 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 5a7edd9901ff2b41392cecfe31f7cc87 (2 x AgentTesla, 1 x Loki, 1 x NetWire) |
| ssdeep | 12288:r9Vhj5lzFXTJekDxG7jnzx9cZ8Txsewd8vCmoFgxkelH1:JzjfFgMG7z0qqBGvCmo+ |
| Threatray | 5'120 similar samples on MalwareBazaar |
| TLSH | 23F4BF26F6E39833C17716394C1B5794983ABD502F28AB8E2BE41D4C9F3538139663B7 |
| Reporter |  JoulK |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
Win32.Trojan.Injector
Status:
Malicious
First seen:
2020-04-22 12:15:42 UTC
File Type:
PE (Exe)
Extracted files:
44
AV detection:
29 of 31 (93.55%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
netwirerc
Similar samples:
+ 5'110 additional samples on MalwareBazaar
Please note that we are no longer able to provide a coverage score for Virus Total.
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | kernel32.dll::CloseHandle kernel32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | kernel32.dll::LoadLibraryExA kernel32.dll::LoadLibraryA kernel32.dll::GetSystemInfo kernel32.dll::GetStartupInfoA kernel32.dll::GetDiskFreeSpaceA kernel32.dll::GetCommandLineA |
| WIN_BASE_IO_API | Can Create Files | kernel32.dll::CreateFileA kernel32.dll::DeleteFileA kernel32.dll::FindFirstFileA kernel32.dll::GetTempPathA version.dll::GetFileVersionInfoSizeA version.dll::GetFileVersionInfoA |
| WIN_REG_API | Can Manipulate Windows Registry | advapi32.dll::RegOpenKeyExA advapi32.dll::RegQueryValueExA |
| WIN_USER_API | Performs GUI Actions | user32.dll::ActivateKeyboardLayout user32.dll::CreateMenu user32.dll::FindWindowA user32.dll::PeekMessageA user32.dll::CreateWindowExA |
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