MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4db60c88de6ae375433dc71b8fde1ff323ff5bc5425903a77324a321ac85029c. 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: 17
| SHA256 hash: | 4db60c88de6ae375433dc71b8fde1ff323ff5bc5425903a77324a321ac85029c |
|---|---|
| SHA3-384 hash: | 0c08cd9cff8363726df711fa7a062deb5c0f4b2a1b3c7d958b3226446f057cf8539b3fa0f5b4233e84b740e96ab9f675 |
| SHA1 hash: | a8db9b76bff170d1af341474ac60778454c706fd |
| MD5 hash: | 1a97f4c3c5e0ed82a7005e98df08aa81 |
| humanhash: | high-carbon-yellow-illinois |
| File name: | rORIGINALINVOICECOAU7230734290.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 528'182 bytes |
| First seen: | 2026-04-21 22:30:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 573bb7b41bc641bd95c0f5eec13c233b (48 x GuLoader, 31 x RemcosRAT, 18 x AgentTesla) |
| ssdeep | 12288:5TA+Q4/GU1Wx3xgjbruLyYF/UsdSBv+6Vt0SGZNu49ezMgIC:5TAP4/GU1Whxgjbw7FZev+kuu8eAgIC |
| Threatray | 2'665 similar samples on MalwareBazaar |
| TLSH | T1BDB42220A35DE031D89312351E3667EE9EFA7C902562675B03A07F1F3E60B81D69EE12 |
| 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 | 72e0d4dcc061e060 (3 x GuLoader, 2 x RemcosRAT) |
| Reporter |  FXOLabs |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
158
Origin country :
BRVendor 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:
remcos
ID:
1
File name:
_4db60c88de6ae375433dc71b8fde1ff323ff5bc5425903a77324a321ac85029c.exe
Verdict:
Malicious activity
Analysis date:
2026-04-21 22:32:01 UTC
Tags:
rat remcos auto-reg
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
70%
Tags:
injection obfusc
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the %temp% directory
Delayed reading of the file
DNS request
Restart of the analyzed sample
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug fingerprint installer installer installer-heuristic masquerade microsoft_visual_cc nsis soft-404
Verdict:
Malicious
Labled as:
TR/Malware
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-21T18:05:00Z UTC
Last seen:
2026-04-23T12:40:00Z UTC
Hits:
~1000
Detections:
Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba Trojan-Downloader.Win32.Minix.sb Trojan.Win32.GuLoader.duu Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sbd
Verdict:
Unknown
Score:
97%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Detection:
remcos
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2026-04-21 22:30:43 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
20 of 38 (52.63%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'655 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost discovery persistence rat spyware stealer
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 NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks installed software on the system
Contacts third-party web service commonly abused for C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Family: Remcos
Malware Config
C2 Extraction:
209.54.101.159:3000
Unpacked files
SH256 hash:
4db60c88de6ae375433dc71b8fde1ff323ff5bc5425903a77324a321ac85029c
MD5 hash:
1a97f4c3c5e0ed82a7005e98df08aa81
SHA1 hash:
a8db9b76bff170d1af341474ac60778454c706fd
SH256 hash:
8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 hash:
9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 hash:
97332a2ffcf12a3e3f27e7c05213b5d7faa13735
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:
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: | 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
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.