MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c3baf753f45454f23d2665ab0921e1087cc40c17f2a82f0a086a31425146d930. 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
RemcosRAT
Vendor detections: 16
| SHA256 hash: | c3baf753f45454f23d2665ab0921e1087cc40c17f2a82f0a086a31425146d930 |
|---|---|
| SHA3-384 hash: | c33f56554ec94c274441c479f3c6cf820e9fb0802464195dbdb82c07a32366fc376388a0216bb1bf1e607ee3318beb9e |
| SHA1 hash: | 19175d02f8a385973d1417d227a487be65359450 |
| MD5 hash: | 2702687002c84382d69c3e9942b484d8 |
| humanhash: | tennessee-berlin-tennis-violet |
| File name: | MAESTRO_BANKSLIP_BWE0623.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 409'000 bytes |
| First seen: | 2025-12-04 06:50:00 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 56a78d55f3f7af51443e58e0ce2fb5f6 (731 x GuLoader, 452 x Formbook, 295 x Loki) |
| ssdeep | 12288:IbYSM13bjtdTLbEVayaZSEB2DCYpMS2GUm/:IbYSMdnttQalkg2DRM190 |
| TLSH | T1DF941225FB61C477C0A2073119B6FB7A3BFAEC3652A5091307607B5DBDE43876A0E182 |
| 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 |
| Reporter |  amznemu |
| Tags: | exe RemcosRAT signed |
Code Signing Certificate
| Organisation: | Sandeltrernes |
|---|---|
| Issuer: | Sandeltrernes |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-11-18T01:45:43Z |
| Valid to: | 2026-11-18T01:45:43Z |
| Serial number: | 3fe7c4b3642eef854d000ab5f72b57d4d15cd58c |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | c90f1e38dc39b88c7f9af51f54af7343905290f73861f31e1551c7db9c1564a1 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
119
Origin country :
IDVendor 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:
MAESTRO_BANKSLIP_BWE0623.exe
Verdict:
Malicious activity
Analysis date:
2025-12-04 06:41:00 UTC
Tags:
rat remcos remote stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
92.5%
Tags:
injection sage blic
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole fingerprint installer installer installer-heuristic microsoft_visual_cc nsis overlay signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-02T17:22:00Z UTC
Last seen:
2025-12-06T05:34:00Z UTC
Hits:
~1000
Detections:
Trojan.NSIS.Makoob.sba HEUR:Trojan-Dropper.Win32.Agentb.gen
Verdict:
Unknown
Score:
94%
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
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-12-02 20:56:04 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
12 of 24 (50.00%)
Threat level:
5/5
Detection(s):
Malicious file
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 Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c3baf753f45454f23d2665ab0921e1087cc40c17f2a82f0a086a31425146d930
MD5 hash:
2702687002c84382d69c3e9942b484d8
SHA1 hash:
19175d02f8a385973d1417d227a487be65359450
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
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: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
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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