MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc8e0752010c76c6815c5631eb656e8e8f179be1a794c5f6679e5072d6ffe496. 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: 19


Intelligence 19 IOCs YARA 20 File information Comments

SHA256 hash: dc8e0752010c76c6815c5631eb656e8e8f179be1a794c5f6679e5072d6ffe496
SHA3-384 hash: ac52821f53cea698a44f6e77808ac80c55b2aaa13ede62fcb99e9c09146e1d4edf9cbabf023c10532edb32d666ce2417
SHA1 hash: 0387338d05104f160fd178493242a700d13604c8
MD5 hash: 18adbbcd1c73478b72cd821026e0c602
humanhash: robert-steak-twelve-magnesium
File name:rREQUESTFORQUOTATION.exe
Download: download sample
Signature RemcosRAT
File size:916'992 bytes
First seen:2025-06-02 03:00:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:2xvVcSvRxURQJGOkvZysDu1UDVX8YCbT652zo9020LfcqNWXfD33j0l5:2ZqeGOkImfd8YC3XKiN0D33u5
TLSH T1C715129826AADF23C2FB0FF94972DAB107B49D9CA520C6538FC42CCB346AF05485575B
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
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter FXOLabs
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
568
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
rREQUESTFORQUOTATION.exe
Verdict:
Malicious activity
Analysis date:
2025-06-02 03:02:03 UTC
Tags:
rat remcos remote netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connecting to a non-recommended domain
Connection attempt
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Uses threadpools to delay analysis
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1703647 Sample: rREQUESTFORQUOTATION.exe Startdate: 02/06/2025 Architecture: WINDOWS Score: 100 42 airtoncomeplast.duckdns.org 2->42 44 geoplugin.net 2->44 50 Suricata IDS alerts for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 58 10 other signatures 2->58 8 rREQUESTFORQUOTATION.exe 7 2->8         started        12 YoCcSnuNd.exe 5 2->12         started        signatures3 56 Uses dynamic DNS services 42->56 process4 file5 34 C:\Users\user\AppData\Roaming\YoCcSnuNd.exe, PE32 8->34 dropped 36 C:\Users\...\YoCcSnuNd.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp87B8.tmp, XML 8->38 dropped 40 C:\Users\...\rREQUESTFORQUOTATION.exe.log, ASCII 8->40 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 62 Adds a directory exclusion to Windows Defender 8->62 64 Injects a PE file into a foreign processes 8->64 66 Uses threadpools to delay analysis 8->66 14 rREQUESTFORQUOTATION.exe 2 13 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        68 Multi AV Scanner detection for dropped file 12->68 70 Contains functionalty to change the wallpaper 12->70 72 Contains functionality to steal Chrome passwords or cookies 12->72 74 3 other signatures 12->74 22 YoCcSnuNd.exe 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 46 airtoncomeplast.duckdns.org 194.59.31.39, 49716, 49724, 49725 COMBAHTONcombahtonGmbHDE Germany 14->46 48 geoplugin.net 178.237.33.50, 49718, 80 ATOM86-ASATOM86NL Netherlands 14->48 76 Detected Remcos RAT 14->76 78 Loading BitLocker PowerShell Module 18->78 26 WmiPrvSE.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 24->32         started        signatures9 process10
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-06-02 02:36:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_037 remcos
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
airtoncomeplast.duckdns.org:7822
Unpacked files
SH256 hash:
dc8e0752010c76c6815c5631eb656e8e8f179be1a794c5f6679e5072d6ffe496
MD5 hash:
18adbbcd1c73478b72cd821026e0c602
SHA1 hash:
0387338d05104f160fd178493242a700d13604c8
SH256 hash:
ad7a63b1487dcd4ff7071e9bfee4999e0e0c33c3f7ad16b35659d0910036230e
MD5 hash:
3150061eccc784ac1ab4835c5b80992a
SHA1 hash:
65f76a62dd904692c95ff5621c00a3af0fb286a0
Detections:
win_remcos_w0 win_remcos_auto Remcos malware_windows_remcos_rat win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
SH256 hash:
009b6e9f54da324d32e907f727f8348aedb4e81903741b36e2e749c94beee9a7
MD5 hash:
a29b959aaf474ef1ae7630cc8c63746a
SHA1 hash:
821ce86620334badcc76665f16e23b749dd03c57
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
8947e4717e5cf42dd6bd31f15e928fa4a44f6a715d9cc7e5b185890ef33e813a
MD5 hash:
4c4793c9add1d1a7c65ba85daed4c3aa
SHA1 hash:
9ab11f48ff35911ea6ab46e7749f205a56de4d18
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
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 dc8e0752010c76c6815c5631eb656e8e8f179be1a794c5f6679e5072d6ffe496

(this sample)

  
Delivery method
Distributed via e-mail attachment

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