MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 48a0c3b93362dae744c054e94cd1e62f6e02e5f0ae8b3b48ae0ca24c5da51340. 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: | 48a0c3b93362dae744c054e94cd1e62f6e02e5f0ae8b3b48ae0ca24c5da51340 |
|---|---|
| SHA3-384 hash: | d935b8b5af71aa2a95a9816abe73fcc2ba27f64103bc87644f8fba254de550631f9ea004e5cf2c0356d430303917bbde |
| SHA1 hash: | be86d6d149b0b814c45c71131aabdd6375b955d2 |
| MD5 hash: | a03ca2d71feb691db1ce725b9983739d |
| humanhash: | zebra-july-dakota-uniform |
| File name: | 48a0c3b93362dae744c054e94cd1e62f6e02e5f0ae8b3b48ae0ca24c5da51340 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 1'239'183 bytes |
| First seen: | 2026-03-06 15:25:18 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7eae418c7423834ffc3d79b4300bd6fb (66 x GuLoader, 23 x RemcosRAT, 21 x AgentTesla) |
| ssdeep | 24576:Lo0blzGT6ZmeCpRrFH8JmC+KlUunOKZQYuObYX2/tqJahTuIk:ciURrR8YC+MUuJZww3VxE |
| Threatray | 2'493 similar samples on MalwareBazaar |
| TLSH | T1D345D09CA8FF4497D77D3A70FBE764794A9392BAE2F22A6A357540214F52F000D0B523 |
| 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 | a292ea8c8e9a86a2 (1 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
127
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
GuLoader
a c2 URL, a useragent string, and a string XOR key
GuLoader
an XOR decryption key and an extracted component
NSIS
extracted archive contents
Malware family:
agenttesla
ID:
1
File name:
48a0c3b93362dae744c054e94cd1e62f6e02e5f0ae8b3b48ae0ca24c5da51340
Verdict:
Malicious activity
Analysis date:
2026-03-06 10:45:19 UTC
Tags:
evasion stealer ftp agenttesla exfiltration
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
93.3%
Tags:
injection obfusc virus
Verdict:
Malicious
File Type:
exe x32
Verdict:
Unknown
Score:
85%
Verdict:
Malware
File Type:
PE
Gathering data
Detection:
agenttesla
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2026-02-23 09:58:49 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
15 of 24 (62.50%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'483 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
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 NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Unpacked files
SH256 hash:
48a0c3b93362dae744c054e94cd1e62f6e02e5f0ae8b3b48ae0ca24c5da51340
MD5 hash:
a03ca2d71feb691db1ce725b9983739d
SHA1 hash:
be86d6d149b0b814c45c71131aabdd6375b955d2
SH256 hash:
6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba
MD5 hash:
8cf2ac271d7679b1d68eefc1ae0c5618
SHA1 hash:
7cc1caaa747ee16dc894a600a4256f64fa65a9b8
Malware family:
GuLoader
Verdict:
Malicious
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: | AgentTeslaV2 |
|---|---|
| Author: | ditekshen |
| Description: | AgenetTesla Type 2 Keylogger payload |
| Rule name: | AgentTeslaV5 |
|---|---|
| Author: | ClaudioWayne |
| Description: | AgentTeslaV5 infostealer payload |
| Rule name: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | Detect_NSIS_Nullsoft_Installer |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects NSIS installers by .ndata section + NSIS header string |
| Rule name: | INDICATOR_EXE_Packed_GEN01 |
|---|---|
| Author: | ditekSHen |
| Description: | Detect packed .NET executables. Mostly AgentTeslaV4. |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many email and collaboration clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many file transfer clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing Windows vault credential objects. Observed in infostealers |
| Rule name: | malware_Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | MALWARE_Win_AgentTeslaV2 |
|---|---|
| Author: | ditekSHen |
| Description: | AgenetTesla Type 2 Keylogger payload |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | Windows_Trojan_AgentTesla_ebf431a8 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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