MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb8594c13244e445a1dfecba1f648242b3812fff888393e8b421c8a5ae64bf5e. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb8594c13244e445a1dfecba1f648242b3812fff888393e8b421c8a5ae64bf5e
SHA3-384 hash: 0d0d095a2b140f875a86bb792a4bc2be3c5dc1f643ea1c295ae29a4bd86a7b25214f694f465b02e9d91006466a583259
SHA1 hash: 1b121f98ed13bfb347811d9dcf41920371c1259e
MD5 hash: 3c4176bf5e1a3cd145031b82fdac9bb4
humanhash: romeo-moon-montana-stairway
File name:rKBNC20260100228Y.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:981'856 bytes
First seen:2026-01-19 19:30:09 UTC
Last seen:2026-02-05 15:18:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (548 x GuLoader, 117 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 24576:R+kzuB2+1Vf1vXbzXp+zSXJ2jesYl/XEvUmHYop61+V:wAn+1lVbzXea2CsYlhmHfpN
Threatray 2'411 similar samples on MalwareBazaar
TLSH T1602523126FA1E0C1C2619B7C483912BF9AF9D5319DF9691F0314EF6C2E731E6E24B582
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:Lakseglene
Issuer:Lakseglene
Algorithm:sha256WithRSAEncryption
Valid from:2025-12-24T03:25:00Z
Valid to:2026-12-24T03:25:00Z
Serial number: 072482f15203fb8c63811f8d44a006934f1e8fd9
Thumbprint Algorithm:SHA256
Thumbprint: 1e37a034d8c8b18ef71236cea8a2cc020409e08805844dad0765c3810f6e8f0f
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
134
Origin country :
BR BR
Vendor 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
Link:
https://research.acce.ciphertechsolutions.com/results/2cbbe940-1414-44e6-9b07-18424bd3eae0/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
rKBNC20260100228Y.exe
Verdict:
Malicious activity
Analysis date:
2026-01-19 19:33:41 UTC
Tags:
remcos rat auto-reg
Link:
https://app.any.run/tasks/d8eeba33-ac25-494f-8a14-906e1c439b27

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/49431/
Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=696e8660bcad3327ec068450
Tags:
injection virus blic
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/bb8594c13244e445a1dfecba1f648242b3812fff888393e8b421c8a5ae64bf5e
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-19T15:34:00Z UTC
Last seen:
2026-01-21T16:53:00Z UTC
Hits:
~1000
Detections:
Packed.NSIS.Krynis.sb VHO:Backdoor.Win32.Remcos.gen HEUR:Trojan.Win32.GuLoader.gen Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba
Link:
https://opentip.kaspersky.com/bb8594c13244e445a1dfecba1f648242b3812fff888393e8b421c8a5ae64bf5e/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/27fff032-d77a-46d7-b7fe-00ffc3c383e0
Score:
73%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bb8594c13244e445a1dfecba1f648242b3812fff888393e8b421c8a5ae64bf5e
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/3c4176bf5e1a3cd145031b82fdac9bb4
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bb8594c13244e445a1dfecba1f648242b3812fff888393e8b421c8a5ae64bf5e/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/bb8594c13244e445a1dfecba1f648242b3812fff888393e8b421c8a5ae64bf5e
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Suspicious
First seen:
2026-01-19 19:20:57 UTC
File Type:
PE (Exe)
Extracted files:
34
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xoczjqjsitselio75s5b6zecikzycl77rcbzh2fueheklltex5pa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0288db1418cf2c5f0be529a5e63c4f8b6c04c6be5a61fbc6dde28973cfb8428c
RemcosRAT
11f392975699cfc7bae3ec4a5cae53d0a16f182038416728b24813d0e78cf3bc
RemcosRAT
1393aeff54f1a1390b14afa4c3608f9f86145eba6c87d47ebd780e68405c4d40
RemcosRAT
523a09b4d2a3041cf4fa5de52aa73d3caa049147209faf3f3f854819d5ed5ffb
RemcosRAT
bb8594c13244e445a1dfecba1f648242b3812fff888393e8b421c8a5ae64bf5e
RemcosRAT
c03dd164ea566677db53f7393cc4d86490a7b87df828cb48345329a63b7138e0
RemcosRAT
c3522c969c29c162a1b67b62b26510edfe67c8c163cbd9addea347dd229090af
RemcosRAT
d176fe5a5daf624834ecda3144e11ca2c3395de8cde5eed0263bb3caac597096
RemcosRAT
e4236b751a47d5b200cf57601fa4be5fde3478ec72bfc429c237b5e5c98fe728
RemcosRAT
error
RemcosRAT
+ 2'401 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery persistence rat
Link:
https://tria.ge/reports/260119-x74lqact9d/
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
Remcos
Remcos family
Malware Config
C2 Extraction:
130.12.182.167:2404
130.12.182.167:5000
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b888210c-99fa-4677-a321-41f4c42c5abc
Unpacked files
SH256 hash:
bb8594c13244e445a1dfecba1f648242b3812fff888393e8b421c8a5ae64bf5e
MD5 hash:
3c4176bf5e1a3cd145031b82fdac9bb4
SHA1 hash:
1b121f98ed13bfb347811d9dcf41920371c1259e
Link:
https://www.unpac.me/results/fce40331-8850-46d6-80b3-928997f397f0/
SH256 hash:
86c8ee210e6611383a634dcb8c60455063ddae3d7adccbeacf3adf7bf2a46676
MD5 hash:
d2e45dd852a659e11897df573832f381
SHA1 hash:
19990ee627c95b6c18d3b5c5f0ec5c24791d0af5
Link:
https://www.unpac.me/results/fce40331-8850-46d6-80b3-928997f397f0/
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
Link:
https://www.unpac.me/results/fce40331-8850-46d6-80b3-928997f397f0/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bb8594c13244/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/bb8594c13244e445a1dfecba1f648242b3812fff888393e8b421c8a5ae64bf5e

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
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe bb8594c13244e445a1dfecba1f648242b3812fff888393e8b421c8a5ae64bf5e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/49431/

Comments