MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e13758a85fedcb0d0251395c4106c8e9cdf5503cfe47468e39767320c0acdec. 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


Intelligence 16 IOCs YARA 25 File information Comments
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SHA256 hash: 8e13758a85fedcb0d0251395c4106c8e9cdf5503cfe47468e39767320c0acdec
SHA3-384 hash: 5e435e766f5383485e3a2bd1b1d8b9c17b4d6dbb39b5696860342d1fecc4b57db3e979951728ab477cd44b50d750bf50
SHA1 hash: 9f0822baf2c083f368a49a51e85aa6be073a0f9c
MD5 hash: 4dfaccd2299bc2114ef2a12dcea50835
humanhash: lake-finch-carpet-apart
File name:Quotation.cmd
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'184'696 bytes
First seen:2025-08-14 05:56:18 UTC
Last seen:2025-09-05 12:34:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:N7CpsAAlx2TobHPWUk8rDwVdDr+S8lYFPlbWvy9exGsKGCIf7:N7CpsAAlrbvWUk8rDKdDr0lYbqK9qrKo
Threatray 184 similar samples on MalwareBazaar
TLSH T1F545336F57806643F716DE71DCF20264BABD8CD287B4DB8A3C8A41B1D8767420B152AF
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
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
4
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Quotation.cmd.exe
Verdict:
Malicious activity
Analysis date:
2025-08-14 05:59:23 UTC
Tags:
auto-startup rat remcos susp-powershell netreactor
Link:
https://app.any.run/tasks/e5358465-494e-4637-8aca-fc5bb29e6db1

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/21265/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689d7a862018ee52f0248a9d
Tags:
phishing autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/8e13758a85fedcb0d0251395c4106c8e9cdf5503cfe47468e39767320c0acdec
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e4a00c38-983e-4cd4-8bbd-0dcbfc197f83
Result
Threat name:
Remcos, PureLog Stealer, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1756539
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Command shell drops VBS files
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected ResolverRAT
Yara Genericmalware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1756539 Sample: Quotation.cmd.exe Startdate: 14/08/2025 Architecture: WINDOWS Score: 100 45 msasteelalloys.cc 2->45 47 geoplugin.net 2->47 51 Suricata IDS alerts for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 16 other signatures 2->57 8 Quotation.cmd.exe 6 2->8         started        12 wscript.exe 1 2->12         started        14 svchost.exe 1 1 2->14         started        signatures3 process4 dnsIp5 35 C:\Users\user\AppData\...\TwoDigitYearMax.exe, PE32 8->35 dropped 37 C:\...\TwoDigitYearMax.exe:Zone.Identifier, ASCII 8->37 dropped 39 C:\Users\user\AppData\...\TwoDigitYearMax.vbs, ASCII 8->39 dropped 73 Command shell drops VBS files 8->73 75 Drops VBS files to the startup folder 8->75 77 Encrypted powershell cmdline option found 8->77 81 3 other signatures 8->81 17 InstallUtil.exe 2 16 8->17         started        22 powershell.exe 23 8->22         started        79 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->79 24 TwoDigitYearMax.exe 2 12->24         started        49 127.0.0.1 unknown unknown 14->49 file6 signatures7 process8 dnsIp9 41 msasteelalloys.cc 198.135.49.80, 2489, 49684 CISCOSYSTEMSUS United States 17->41 43 geoplugin.net 178.237.33.50, 49685, 80 ATOM86-ASATOM86NL Netherlands 17->43 33 C:\ProgramData\remcos\logs.dat, data 17->33 dropped 59 Detected Remcos RAT 17->59 61 Contains functionalty to change the wallpaper 17->61 63 Contains functionality to register a low level keyboard hook 17->63 71 2 other signatures 17->71 65 Loading BitLocker PowerShell Module 22->65 26 WmiPrvSE.exe 22->26         started        28 conhost.exe 22->28         started        67 Antivirus detection for dropped file 24->67 69 Multi AV Scanner detection for dropped file 24->69 30 InstallUtil.exe 24->30         started        file10 signatures11 process12 signatures13 83 Detected Remcos RAT 30->83
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8e13758a85fedcb0d0251395c4106c8e9cdf5503cfe47468e39767320c0acdec
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8e13758a85fedcb0d0251395c4106c8e9cdf5503cfe47468e39767320c0acdec/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/8e13758a85fedcb0d0251395c4106c8e9cdf5503cfe47468e39767320c0acdec
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 00:21:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ryjxlcuf73olbubfcok4iedmr2on6vidz7shi2hds5ttedakzxwa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2f21f1c2265b1072bb2f7432dc620643bef446629696d0704ae5ef88102db390
RemcosRAT
3b117d869f38ab4e7c14507d969467820208dcb26f5564612cc8329c76b1f156
RemcosRAT
4f43805e7984de9622fdd68f77a4cc7e6b131dd0184c0e940ba5c09ca498c537
RemcosRAT
79a2fa17db3d9e811ed4ee08615daeb52151ea966f5ae1b2bd1911e2bf86c3c4
RemcosRAT
7f7addef00195b936618e5033be9094859ce409b56a41ef8673fe5df20106940
RemcosRAT
8b2d9358a329089c3bd96cce97b91e9b8a4d900abd0aaa8e55c3c0466e930c88
RemcosRAT
dca5762afcbdd54dcbdf8c0b2de6313ba681f42bd5f958bec47891cc2a24113d
RemcosRAT
e97817e3aab6079cc0ecdd4c10d3e056e9a20af2bb91555608490c61af27b31e
RemcosRAT
error
RemcosRAT
ff1c1d6c42c8aa77fc465eea36ce1c671a78192b4ccfb3bd19c96dfde4cd182e
RemcosRAT
+ 174 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250814-gm684sck31/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/335d9d7c-1d3c-420a-84c0-6df58158d4e0
Unpacked files
SH256 hash:
8e13758a85fedcb0d0251395c4106c8e9cdf5503cfe47468e39767320c0acdec
MD5 hash:
4dfaccd2299bc2114ef2a12dcea50835
SHA1 hash:
9f0822baf2c083f368a49a51e85aa6be073a0f9c
Link:
https://www.unpac.me/results/9c0d7f2e-3970-44f0-b896-db6fb9d95d41/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8e13758a85fe/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/8e13758a85fedcb0d0251395c4106c8e9cdf5503cfe47468e39767320c0acdec

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HUNTING_SUSP_TLS_SECTION
Create hunting rule
Author:chaosphere
Description:Detect PE files with .tls section that can be used for anti-debugging
Reference:Practical Malware Analysis - Chapter 16
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Malspam

RemcosRAT

Executable exe 8e13758a85fedcb0d0251395c4106c8e9cdf5503cfe47468e39767320c0acdec

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/21265/

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 (HIGH_ENTROPY_VA)high

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