MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ba2c78d8853a3764128cdc2a358dd8f7fbca4062089ade7c468f2405a9bb1a29. 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
GuLoader
Vendor detections: 15
| SHA256 hash: | ba2c78d8853a3764128cdc2a358dd8f7fbca4062089ade7c468f2405a9bb1a29 |
|---|---|
| SHA3-384 hash: | 280eb6785c7e9501f486f52468f58c73b08e0bf0cfce16f46090e4edfe53f22468fd35db6420b8fe5167201ee43340e3 |
| SHA1 hash: | c6d5ca176fb5c8817039a8c9d6289d0ac754ef05 |
| MD5 hash: | 3e8ca64b6781f6130ed621b361e0d63b |
| humanhash: | ten-zulu-cat-sixteen |
| File name: | payment advice.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 705'360 bytes |
| First seen: | 2025-08-11 06:19:04 UTC |
| Last seen: | 2025-08-14 11:06:28 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki) |
| ssdeep | 12288:ZNbPw+zEg1K9MbFvEtwqX1pAUGYY390oXMgAyo+n5MTc+W49JV:ZN8+zEg1KUFvwwqXHABYs0oXMHT5 |
| Threatray | 48 similar samples on MalwareBazaar |
| TLSH | T1A2E40115B2409077C4950A313AD6823FE7A6BCDD6AD6160323BDB63B78F114DFA1A3B4 |
| 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 |
| dhash icon | 31f0acdae6f07032 (2 x RemcosRAT, 2 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Fjernstyrings |
|---|---|
| Issuer: | Fjernstyrings |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2024-11-05T02:12:03Z |
| Valid to: | 2026-02-08T02:12:03Z |
| Serial number: | 490d5ecf5b9ecbddbc5205a91296ada85314c0d7 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 6cacf1557d8b2243d26b51383a0f8184bc6b05bedaaf791a24ac553eb361d64c |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
64
Origin country :
HUVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
payment advice.exe
Verdict:
Malicious activity
Analysis date:
2025-08-11 06:32:59 UTC
Tags:
remcos rat auto-reg remote stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
81.4%
Tags:
injection virus blic
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the %temp% directory
Delayed reading of the file
Sending a custom TCP request
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Suspicious
Score:
96%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2025-08-05 22:23:09 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
23 of 38 (60.53%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 38 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:guloader family:remcos collection discovery downloader persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
Malware Config
C2 Extraction:
209.54.101.159:5@001
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ba2c78d8853a3764128cdc2a358dd8f7fbca4062089ade7c468f2405a9bb1a29
MD5 hash:
3e8ca64b6781f6130ed621b361e0d63b
SHA1 hash:
c6d5ca176fb5c8817039a8c9d6289d0ac754ef05
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
Malware family:
Remcos
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: | Detect_NSIS_Nullsoft_Installer |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects NSIS installers by .ndata section + NSIS header string |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
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 ADVAPI32.dll::SetFileSecurityW |
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteExW SHELL32.dll::SHFileOperationW SHELL32.dll::SHGetFileInfoW |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessW ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDiskFreeSpaceW KERNEL32.dll::GetCommandLineW |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::MoveFileExW |
| WIN_BASE_USER_API | Retrieves Account Information | ADVAPI32.dll::LookupPrivilegeValueW |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW |
| WIN_USER_API | Performs GUI Actions | USER32.dll::AppendMenuW USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::OpenClipboard USER32.dll::PeekMessageW USER32.dll::CreateWindowExW |
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