MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f0f335a424d98a48836a01aaa8af90ddaa08667ad3fedc6cea38ab5623c4b713. 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
| SHA256 hash: | f0f335a424d98a48836a01aaa8af90ddaa08667ad3fedc6cea38ab5623c4b713 |
|---|---|
| SHA3-384 hash: | 220fcbf5dae8a06230df0af9057d34600e0633ef606199c3600dddfafe7fd29b022609210ec43993ff92c6fbd41fde81 |
| SHA1 hash: | 9048f61cab453a6d4eb6ebae1bd2f913350975d9 |
| MD5 hash: | a3a1178a681a45c960b0ed5d0c47926b |
| humanhash: | pasta-arizona-cat-juliet |
| File name: | a3a1178a681a45c960b0ed5d0c47926b.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'071'104 bytes |
| First seen: | 2024-08-30 04:30:27 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 24576:78+0suO3PuzmSe//zGdg7Vbo11Im2YJAssiWV9w9pTNLo:juO/uzmN/CdSmfUqPx |
| TLSH | T170350158EA06DD02C974DF744E73E2B51F6C5FDAA901E2679ED86CEBF9A3A047C10102 |
| TrID | 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | f2b2ae8e8eb2b0b2 (11 x AveMariaRAT, 8 x AgentTesla, 2 x RemcosRAT) |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 23.106.127.79:5679 | https://threatfox.abuse.ch/ioc/1317354/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
614
Origin country :
NLVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
a3a1178a681a45c960b0ed5d0c47926b.exe
Verdict:
Malicious activity
Analysis date:
2024-08-30 04:35:58 UTC
Tags:
remcos rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Discovery Execution Infostealer Network Stealth Variant
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Malware
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.
Malware family:
REMCOS
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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
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 sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
remcos
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2024-08-27 13:21:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost collection credential_access discovery execution rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Credentials from Password Stores: Credentials from Web Browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
23.106.127.79:5679
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
049b17140824c6f9d8c08d884a7245a9e77a511c49cdc2c73553ff1ccc406936
MD5 hash:
640b08fa75d07bc550367bda8505e091
SHA1 hash:
f84eff92502a0ebfd52cce047e35c8e0c472f0f2
SH256 hash:
9713fc89c260eb83429f5a58f0768a08be8fc68504a644c3351886d08bcdccbf
MD5 hash:
c4b4622e98348d49dc188ffa92bf216f
SHA1 hash:
406fc0dce444c6e47c7d4f7852c41243ac43f270
Detections:
Remcos
win_remcos_auto
win_remcos_w0
malware_windows_remcos_rat
SH256 hash:
5126a64f562bf4e7aedfba69cd936806dd13f4967d4e235740f705ba3d1e01a6
MD5 hash:
2e963ff47dc7f0e8f6422f1a6309e97c
SHA1 hash:
21ecb5948a4657864ac847988d94690e4e4a99d4
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
f0f335a424d98a48836a01aaa8af90ddaa08667ad3fedc6cea38ab5623c4b713
MD5 hash:
a3a1178a681a45c960b0ed5d0c47926b
SHA1 hash:
9048f61cab453a6d4eb6ebae1bd2f913350975d9
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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