MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726
SHA3-384 hash: 32aef7dcea46ce68d2db3f9b84444faa8d057596f3568c0d9fac36555c94cde350ec064a4bc288bbb4a2a39f8a768280
SHA1 hash: 589ed8bfb973cd55162d021923ac35d2a0013758
MD5 hash: 96d2106a3a6f64335ef5777aad854e50
humanhash: sodium-freddie-fourteen-pennsylvania
File name:931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'217'024 bytes
First seen:2025-01-08 15:06:09 UTC
Last seen:2025-01-10 14:09:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'654 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:jtkSYXY7QFVwd6e7MBiJvISMwFiHsJ0fofBz7J5BP/+POgWldmjDjTrTv3iTG7QJ:h2dkwBjShyfE75BP/+mgWdm/bTAXLKx
Threatray 216 similar samples on MalwareBazaar
TLSH T13645F10F3BC695D4D2A94C36AEB5335801B4E2AF5412EFAB0DC412F4DE24A4A55722FF
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 74ecccccdcd4c4c8 (5 x RemcosRAT, 2 x SnakeKeylogger, 2 x GuLoader)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
463
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726
Verdict:
Suspicious activity
Analysis date:
2025-01-08 15:05:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0ef47ad6-3e29-46b2-893c-24657624d0c2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.13934.28818.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677e9552ffdcee13ec876112
Tags:
dotnet shell smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Running batch commands
Launching a process
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated vbnet
Link:
https://www.filescan.io/uploads/677e9499c76f48a3817f1ad0/reports/3083b976-0f5a-4d99-b711-3c153d7c8019/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aa6f1e84-ad64-4e01-b565-6baf8de1cf69
Result
Threat name:
Remcos, DarkTortilla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1586012
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Tries to delay execution (extensive OutputDebugStringW loop)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1586012 Sample: TXb7IMJRY1.exe Startdate: 08/01/2025 Architecture: WINDOWS Score: 100 51 netflixyoutubebrowser.duckdns.org 2->51 67 Suricata IDS alerts for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 75 11 other signatures 2->75 9 windowss.exe 3 2->9         started        12 TXb7IMJRY1.exe 3 2->12         started        signatures3 73 Uses dynamic DNS services 51->73 process4 file5 87 Antivirus detection for dropped file 9->87 89 Multi AV Scanner detection for dropped file 9->89 91 Machine Learning detection for dropped file 9->91 95 5 other signatures 9->95 15 AddInProcess32.exe 3 9->15         started        47 C:\Users\user\AppData\...\TXb7IMJRY1.exe.log, ASCII 12->47 dropped 93 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->93 19 cmd.exe 3 12->19         started        22 cmd.exe 1 12->22         started        signatures6 process7 dnsIp8 53 netflixyoutubebrowser.duckdns.org 192.169.69.26, 34043, 49990, 49991 WOWUS United States 15->53 55 Contains functionality to bypass UAC (CMSTPLUA) 15->55 57 Detected Remcos RAT 15->57 59 Contains functionality to steal Chrome passwords or cookies 15->59 65 2 other signatures 15->65 43 C:\Users\user\AppData\Roaming\windowss.exe, PE32 19->43 dropped 45 C:\Users\...\windowss.exe:Zone.Identifier, ASCII 19->45 dropped 61 Uses ping.exe to sleep 19->61 24 windowss.exe 2 19->24         started        27 conhost.exe 19->27         started        29 PING.EXE 1 19->29         started        31 PING.EXE 1 19->31         started        63 Uses ping.exe to check the status of other devices and networks 22->63 33 PING.EXE 1 22->33         started        36 conhost.exe 22->36         started        38 reg.exe 1 1 22->38         started        file9 signatures10 process11 dnsIp12 77 Writes to foreign memory regions 24->77 79 Allocates memory in foreign processes 24->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->81 83 Injects a PE file into a foreign processes 24->83 40 AddInProcess32.exe 24->40         started        49 127.0.0.1 unknown unknown 33->49 signatures13 process14 signatures15 85 Detected Remcos RAT 40->85
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726/
Threat name:
Win32.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2024-11-30 13:35:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=smpdmkecnnn6zmjhqgunc42hcviswkboupjts6gcrwywo3f2y4ta._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
39fe045b17ab2fcdb512758a431845409c29ca9341090ac81878658423c39129
RemcosRAT
931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726
RemcosRAT
972f3d714d2a17e1e4d524c97cf8a283728dc8cf8ea4f2c39bf005cfcd3e71ce
RemcosRAT
9b5bda80417b3128dc2c378ddb0014f0afb2345ad5d33555e92e2023ef5c1515
RemcosRAT
a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9
RemcosRAT
ae7dd99d6214b35fe4d225dd782ca41714ffd0b637d8db40fbb887e00807d288
RemcosRAT
error
RemcosRAT
f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3
RemcosRAT
+ 206 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:work discovery persistence rat
Link:
https://tria.ge/reports/250108-shavwstqhv/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Malware Config
C2 Extraction:
netflixyoutubebrowser.duckdns.org:34043
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2cf9c158-032c-4208-a20b-93b245c5e20a
Unpacked files
SH256 hash:
931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726
MD5 hash:
96d2106a3a6f64335ef5777aad854e50
SHA1 hash:
589ed8bfb973cd55162d021923ac35d2a0013758
Link:
https://www.unpac.me/results/1a7deb71-9ba7-4835-be7a-508effcd53b4/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/931e3628826b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.77
Link:
https://yomi.yoroi.company/submissions/931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments