MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5a0a619d30cbcae895e41608370bfb71080fa1377bbc9073c16bfe38377bfba5. 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: | 5a0a619d30cbcae895e41608370bfb71080fa1377bbc9073c16bfe38377bfba5 |
|---|---|
| SHA3-384 hash: | e8e310aaf06002e401593c76d0f083b93504e8e6b8e8ee4242f38a3a9b132d51602e0422790b7d32b28135f28a9cfd5e |
| SHA1 hash: | bbbd98e2e1293b69e7f2c92929a3e47d82d985f4 |
| MD5 hash: | 62ae83ec15d26168af03a05bedda121d |
| humanhash: | lake-tango-quebec-low |
| File name: | 5a0a619d30cbcae895e41608370bfb71080fa1377bbc9073c16bfe38377bfba5 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 1'233'744 bytes |
| First seen: | 2025-11-06 10:33:32 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (592 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer) |
| ssdeep | 24576:OBCRTlfa2sN3rjtihLPGGd6Bp0xjs+9uI+wrUrFd2CCcI5HFEllso:NRI3rjtihSqfsf1wiFddI5HFmF |
| Threatray | 2'212 similar samples on MalwareBazaar |
| TLSH | T10D4533596EF0DA72D8A389358D3289BA1BAC3C09309E872773643D2E7D1B1D11F4917E |
| 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 | ccccaad46931b294 (5 x GuLoader, 2 x RemcosRAT) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Scholasticus |
|---|---|
| Issuer: | Scholasticus |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-10-03T10:30:58Z |
| Valid to: | 2026-10-03T10:30:58Z |
| Serial number: | 5cc70e17bb0af80800feabb59ff97839e788c39b |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | d3a0470410eb2d383a5e2e5070516dfd8e3699e98ce604b457e5f57b9febe22e |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
87
Origin country :
HUVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
5a0a619d30cbcae895e41608370bfb71080fa1377bbc9073c16bfe38377bfba5
Verdict:
Malicious activity
Analysis date:
2025-11-06 13:28:13 UTC
Tags:
auto-reg remcos rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Verdict:
Malicious
Score:
96.5%
Tags:
uloader virus nsis blic
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Searching for the window
Delayed reading of the file
Creating a file
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-14T18:28:00Z UTC
Last seen:
2025-11-08T05:42:00Z UTC
Hits:
~1000
Verdict:
Suspicious
Score:
95%
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
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2025-10-14 23:17:25 UTC
File Type:
PE (Exe)
Extracted files:
41
AV detection:
24 of 37 (64.86%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'202 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:guloader family:remcos discovery downloader persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
Malware Config
C2 Extraction:
196.251.118.183:2404
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
5a0a619d30cbcae895e41608370bfb71080fa1377bbc9073c16bfe38377bfba5
MD5 hash:
62ae83ec15d26168af03a05bedda121d
SHA1 hash:
bbbd98e2e1293b69e7f2c92929a3e47d82d985f4
SH256 hash:
1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172
MD5 hash:
466179e1c8ee8a1ff5e4427dbb6c4a01
SHA1 hash:
eb607467009074278e4bd50c7eab400e95ae48f7
SH256 hash:
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 hash:
0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 hash:
48df0911f0484cbe2a8cdd5362140b63c41ee457
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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