MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 12ada0ff475cede5fb6a97e92c28542ade9e3ecbcbbf97e8b9b7ac2df1bbe752. 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: 14
| SHA256 hash: | 12ada0ff475cede5fb6a97e92c28542ade9e3ecbcbbf97e8b9b7ac2df1bbe752 |
|---|---|
| SHA3-384 hash: | b623d6dea65e59e196242d7eb14cf6ed3269fbe6d224b34e2ea250a21559a955989f8abaff9e01cad2d3fba0f4ca69e2 |
| SHA1 hash: | ff9ee71294efeb409d1010942f2830ca48b98d3b |
| MD5 hash: | 139ecd0d4cc234c0704964d5ef17db70 |
| humanhash: | whiskey-muppet-sad-kentucky |
| File name: | Justificante_transferencia-344521235.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 344'026 bytes |
| First seen: | 2026-05-20 17:22:19 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1f23f452093b5c1ff091a2f9fb4fa3e9 (303 x GuLoader, 47 x AgentTesla, 47 x RemcosRAT) |
| ssdeep | 6144:MR+xXDfYHsMliIpG/WjVQlXbW2ztp59HTPI7/LyJVvctRI2eJZCCBu7gPcdA/Qeq:UMwHsM8ujeLBztRHGDMZ46yef4A/XJW |
| Threatray | 33 similar samples on MalwareBazaar |
| TLSH | T14C74121A61E5C463F1960BF43D7652777F32961104669A4BE3C08B8CFC387A2EA07B0B |
| TrID | 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.5% (.EXE) Win64 Executable (generic) (6522/11/2) 8.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.2% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  TomU |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
84
Origin country :
CHVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
GuLoader
an XOR decryption key and an extracted component
GuLoader
a c2 URL, a useragent string, and a string XOR key
NSIS
extracted archive contents
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-05-20 21:37:39 UTC
Tags:
ip-check evasion snake keylogger telegram stealer spyware amsi-bypass
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Verdict:
Malicious
Score:
92.5%
Tags:
injection obfusc virus
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file
Delayed reading of the file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-06-02T06:58:00Z UTC
Last seen:
2026-05-22T15:02:00Z UTC
Hits:
~100000
Malware family:
Unlabeled
Verdict:
Unknown
Score:
98%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-06-02 10:02:10 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
27 of 38 (71.05%)
Threat level:
5/5
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 23 additional samples on MalwareBazaar
Result
Malware family:
vipkeylogger
Score:
10/10
Tags:
family:guloader family:vipkeylogger discovery downloader keylogger stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Looks up external IP address via web service
Loads dropped DLL
Family: Guloader,Cloudeye
Family: VIPKeylogger
Malware Config
C2 Extraction:
https://api.telegram.org/bot8066049909:AAEfM3zPzeNvoeghcoluJwZ5XByTSObqjJI/sendMessage?chat_id=7618581100
Unpacked files
SH256 hash:
12ada0ff475cede5fb6a97e92c28542ade9e3ecbcbbf97e8b9b7ac2df1bbe752
MD5 hash:
139ecd0d4cc234c0704964d5ef17db70
SHA1 hash:
ff9ee71294efeb409d1010942f2830ca48b98d3b
SH256 hash:
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 hash:
0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 hash:
48df0911f0484cbe2a8cdd5362140b63c41ee457
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.79
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: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
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
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