MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8d9cacf5c0689e332f4e043117ecdc533edf1b52b65179885ceb284ff706a6fe. 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: 16
| SHA256 hash: | 8d9cacf5c0689e332f4e043117ecdc533edf1b52b65179885ceb284ff706a6fe |
|---|---|
| SHA3-384 hash: | 9063323257f802e63a3e8278c31d184fe1433f329f6fdaa94d4b86c4f2298f6a2fddc9f49e59cb8b020ace4ef44a9175 |
| SHA1 hash: | 05cf5307feb87910eef79cec65ee8ab1613e28a9 |
| MD5 hash: | 5c64ce5f7c6b88767f77b788a4fb5b19 |
| humanhash: | fourteen-cardinal-sad-lima |
| File name: | rNuevo_Pedido_129149.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 768'400 bytes |
| First seen: | 2024-10-22 20:00:05 UTC |
| Last seen: | 2024-10-22 20:22:13 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 0293eec0b5432ad092f24065016203b2 (21 x GuLoader, 9 x RemcosRAT, 6 x Formbook) |
| ssdeep | 12288:AuO/1lVnS6t0bXm0Uf+2Pvmj8vZ8piCM3dj3DcLIPDgMlXZo+LLhz78q6TMmC93V:Q/1lYFLmVft2j15MNj3wLsA+f54qQMmM |
| TLSH | T1D6F4230432A8D16FE6321770C46E29F673E1FC67E0700A6BAB517D8D7C3A563192B91B |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  FXOLabs |
| Tags: | exe FormBook signed |
Code Signing Certificate
| Organisation: | Luksusartikel |
|---|---|
| Issuer: | Luksusartikel |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2024-07-24T05:26:55Z |
| Valid to: | 2027-07-24T05:26:55Z |
| Serial number: | 1160b208473576de7389b0da25ed21b57ade1db7 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | b73ac433a2a2b98915104ac2c74bd0461c7c2bf65880c728a6775ae150ee481a |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
448
Origin country :
USVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
rNuevo_Pedido_129149.exe
Verdict:
Malicious activity
Analysis date:
2024-10-22 20:02:10 UTC
Tags:
formbook xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
92.5%
Tags:
Injection Exploit Blic
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Searching for the window
Creating a file in the Windows subdirectories
Delayed reading of the file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc overlay packed shell32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2024-10-22 17:57:28 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
18 of 38 (47.37%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader macos
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Loads dropped DLL
Guloader,Cloudeye
Verdict:
Malicious
Tags:
loader guloader
YARA:
NSIS_GuLoader_July_2024
Unpacked files
SH256 hash:
014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
MD5 hash:
12b140583e3273ee1f65016becea58c4
SHA1 hash:
92df24d11797fefd2e1f8d29be9dfd67c56c1ada
SH256 hash:
8d9cacf5c0689e332f4e043117ecdc533edf1b52b65179885ceb284ff706a6fe
MD5 hash:
5c64ce5f7c6b88767f77b788a4fb5b19
SHA1 hash:
05cf5307feb87910eef79cec65ee8ab1613e28a9
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| COM_BASE_API | Can Download & Execute components | ole32.dll::CoCreateInstance |
| SECURITY_BASE_API | Uses Security Base API | ADVAPI32.dll::AdjustTokenPrivileges |
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteExA SHELL32.dll::SHFileOperationA SHELL32.dll::SHGetFileInfoA |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessA ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::LoadLibraryExA KERNEL32.dll::GetDiskFreeSpaceA KERNEL32.dll::GetCommandLineA |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CopyFileA KERNEL32.dll::CreateDirectoryA KERNEL32.dll::CreateFileA KERNEL32.dll::DeleteFileA KERNEL32.dll::MoveFileA KERNEL32.dll::MoveFileExA |
| WIN_BASE_USER_API | Retrieves Account Information | ADVAPI32.dll::LookupPrivilegeValueA |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegCreateKeyExA ADVAPI32.dll::RegDeleteKeyA ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegQueryValueExA ADVAPI32.dll::RegSetValueExA |
| WIN_USER_API | Performs GUI Actions | USER32.dll::AppendMenuA USER32.dll::EmptyClipboard USER32.dll::FindWindowExA USER32.dll::OpenClipboard USER32.dll::PeekMessageA USER32.dll::CreateWindowExA |
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