MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f34fd6a0b6536f074e3a1bc41f0e35a80667688de9668cd1d75f6920a06e7607. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f34fd6a0b6536f074e3a1bc41f0e35a80667688de9668cd1d75f6920a06e7607
SHA3-384 hash: 0dbdbb0943da73e56062d6e9622dfc41371c8a96ecca5eb4cff484ddcd9de930550289243cb9b66ae3cb0e990695e18e
SHA1 hash: 964e913b8b4cba2232e46b3fe0b73b1c009bed7d
MD5 hash: 4b487f91d2504883b4c9df18848af5ef
humanhash: five-coffee-green-low
File name:RqYh.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:993'280 bytes
First seen:2024-08-29 18:30:31 UTC
Last seen:2024-08-29 19:29:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:BYx8QzPlMGKwlyvxR27CYOlOLkgggD8lyftUCp2mv:6x8QzZYvxR2WbRggp0XT
TLSH T13A2502902516D60AD96493FD09B1F3B513BD2EDCE802D26A5FEEBCEBB636B454D00093
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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 a199db5676565311 (1 x RemcosRAT)
Reporter adm1n_usa32
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
460
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
RqYh.exe
Verdict:
Malicious activity
Analysis date:
2024-08-29 18:29:33 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/65de5c88-449e-44b9-bd4c-c442cc0b4591

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.710.13238.21423.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d0be69f1a57bfb70915853
Tags:
Execution Generic Network Static Stealth Trojan Remcos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Creating a process from a recently created file
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed remcos
Link:
https://www.filescan.io/uploads/66d0be675959a837dd12784b/reports/5bbeb3a3-6efe-4f1d-bcbe-0e8328921fe8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f34fd6a0b6536f074e3a1bc41f0e35a80667688de9668cd1d75f6920a06e7607
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1501378
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Creates autostart registry keys with suspicious names
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1501378 Sample: RqYh.exe Startdate: 29/08/2024 Architecture: WINDOWS Score: 100 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Sigma detected: Scheduled temp file as task from temp location 2->72 74 9 other signatures 2->74 8 RqYh.exe 7 2->8         started        12 oJSnAkAh.exe 5 2->12         started        14 remcos.exe 2->14         started        16 2 other processes 2->16 process3 file4 60 C:\Users\user\AppData\Roaming\oJSnAkAh.exe, PE32 8->60 dropped 62 C:\Users\...\oJSnAkAh.exe:Zone.Identifier, ASCII 8->62 dropped 64 C:\Users\user\AppData\Local\...\tmpA5C1.tmp, XML 8->64 dropped 66 C:\Users\user\AppData\Local\...\RqYh.exe.log, ASCII 8->66 dropped 88 Uses schtasks.exe or at.exe to add and modify task schedules 8->88 90 Writes to foreign memory regions 8->90 92 Allocates memory in foreign processes 8->92 94 Adds a directory exclusion to Windows Defender 8->94 18 MSBuild.exe 2 3 8->18         started        22 powershell.exe 23 8->22         started        24 powershell.exe 23 8->24         started        26 schtasks.exe 1 8->26         started        96 Multi AV Scanner detection for dropped file 12->96 98 Machine Learning detection for dropped file 12->98 100 Injects a PE file into a foreign processes 12->100 28 MSBuild.exe 12->28         started        30 schtasks.exe 12->30         started        32 conhost.exe 14->32         started        34 conhost.exe 16->34         started        36 conhost.exe 16->36         started        signatures5 process6 file7 56 C:\ProgramData\Remcos\remcos.exe, PE32 18->56 dropped 76 Contains functionality to bypass UAC (CMSTPLUA) 18->76 78 Detected Remcos RAT 18->78 80 Contains functionalty to change the wallpaper 18->80 86 4 other signatures 18->86 38 remcos.exe 2 18->38         started        82 Loading BitLocker PowerShell Module 22->82 40 conhost.exe 22->40         started        42 WmiPrvSE.exe 22->42         started        44 conhost.exe 24->44         started        46 conhost.exe 26->46         started        58 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 28->58 dropped 84 Creates autostart registry keys with suspicious names 28->84 48 remcos.exe 28->48         started        50 conhost.exe 30->50         started        signatures8 process9 process10 52 conhost.exe 38->52         started        54 conhost.exe 48->54         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f34fd6a0b6536f074e3a1bc41f0e35a80667688de9668cd1d75f6920a06e7607
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f34fd6a0b6536f074e3a1bc41f0e35a80667688de9668cd1d75f6920a06e7607/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-08-28 18:09:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6nh5nifwknxqotr2dpcb6drvvadgo2en5ftizuoxl5usbidooydq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:h�texte discovery execution persistence rat
Link:
https://tria.ge/reports/240829-w52hxaxbjq/
Behaviour
Modifies registry class
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
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
rodri.selfip.net:50019
racindjah.blogdns.com:50066
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/72111fc1-44e4-4edc-b61d-86757e9b44e4
Unpacked files
SH256 hash:
9e670c6505ab442f770ff8df1df38ebed17a9871e6f44d5f0c4171d43e0e7267
MD5 hash:
e4e5fc1efc2c3cc64f242394bf8fa346
SHA1 hash:
f6aad5d1d726ae2b37d8e004c73828703020ebec
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/0012c168-fca7-471d-b555-7b9386f7b55b/
SH256 hash:
66c34fb52ab239fdcbd5d61f0b540e45399b986a5379398e0d72014778635226
MD5 hash:
6faa7caee083f4dba03910c95ad29237
SHA1 hash:
8c21b7b035471ed301ef6138c657e865f596f3d3
Link:
https://www.unpac.me/results/0012c168-fca7-471d-b555-7b9386f7b55b/
SH256 hash:
9a650001a85f75471d6cb64f0e9a302d2d3c39187e8ec037fae72f0bd9fe2d50
MD5 hash:
14ecc28c709c0bcf8583d2ee32164222
SHA1 hash:
1e944525381aaba52e48e357f7a2273f0d5349a6
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/0012c168-fca7-471d-b555-7b9386f7b55b/
SH256 hash:
f34fd6a0b6536f074e3a1bc41f0e35a80667688de9668cd1d75f6920a06e7607
MD5 hash:
4b487f91d2504883b4c9df18848af5ef
SHA1 hash:
964e913b8b4cba2232e46b3fe0b73b1c009bed7d
Link:
https://www.unpac.me/results/0012c168-fca7-471d-b555-7b9386f7b55b/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f34fd6a0b653/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f34fd6a0b6536f074e3a1bc41f0e35a80667688de9668cd1d75f6920a06e7607

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.

anyrun
any.run
https://app.any.run/tasks/65de5c88-449e-44b9-bd4c-c442cc0b4591

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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