MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6731c428ce4fccd6280f4b377a267cf7537013c1698ffd4d8b0080c12eb2239e. 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: 17
| SHA256 hash: | 6731c428ce4fccd6280f4b377a267cf7537013c1698ffd4d8b0080c12eb2239e |
|---|---|
| SHA3-384 hash: | 441c26763818d88d69bec11e49c6c7c21710e6d996bab7699f20beb69b74ceaf5aea02b0c9737a35fbd47cfc5bb8b32b |
| SHA1 hash: | 97ae7497363e0ef61d9a34a4c8aa20cb247883bf |
| MD5 hash: | 607b5804762c1e0ef0e932cc3f954a6b |
| humanhash: | carolina-mirror-oregon-venus |
| File name: | rPO0038618.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 557'752 bytes |
| First seen: | 2026-01-29 20:31:20 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (594 x GuLoader, 131 x RemcosRAT, 86 x EpsilonStealer) |
| ssdeep | 12288:i4nN/obUB/M+C4L2I5YXmoGoEbu7G16EHrx4Fg:NNAbUB0t4P3burW+g |
| Threatray | 2'526 similar samples on MalwareBazaar |
| TLSH | T1E0C4D15EB164449EF9109B3100F7A21FAD69EE94BE73894F0333FC565B72A111EC3A68 |
| 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 |  FXOLabs |
| Tags: | exe RemcosRAT signed |
Code Signing Certificate
| Organisation: | kendall |
|---|---|
| Issuer: | kendall |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-01-05T07:12:35Z |
| Valid to: | 2027-01-05T07:12:35Z |
| Serial number: | 77c8441bb72e866630cf533c9ed29a6b2ef5fc8d |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | bedf2feea35f4cfbb26e251089daf6a8aee19f3808ccbd3c66d12333f150d6b2 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
158
Origin country :
BRVendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Malware family:
remcos
ID:
1
File name:
_6731c428ce4fccd6280f4b377a267cf7537013c1698ffd4d8b0080c12eb2239e.exe
Verdict:
Malicious activity
Analysis date:
2026-01-29 20:32:31 UTC
Tags:
rat remcos auto-reg
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Detection(s):
Verdict:
Malicious
Score:
93.3%
Tags:
injection uloader virus nsis
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole CAB installer installer installer-heuristic microsoft_visual_cc nsis signed soft-404
Verdict:
Malicious
Labled as:
Agent.KXP.gen
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-29T16:48:00Z UTC
Last seen:
2026-01-31T18:21:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Guloader.sb HEUR:Trojan-Dropper.Win32.Agent.gen Trojan-Downloader.Win32.Minix.sb
Verdict:
Unknown
Score:
91%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2026-01-29 20:31:40 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
20 of 38 (52.63%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 2'516 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:guloader family:remcos botnet:remotehost discovery downloader persistence rat
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
Contacts third-party web service commonly abused for C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
Malware Config
C2 Extraction:
130.12.182.167:2404
130.12.182.167:5000
130.12.182.167:5000
Unpacked files
SH256 hash:
6731c428ce4fccd6280f4b377a267cf7537013c1698ffd4d8b0080c12eb2239e
MD5 hash:
607b5804762c1e0ef0e932cc3f954a6b
SHA1 hash:
97ae7497363e0ef61d9a34a4c8aa20cb247883bf
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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 |
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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