MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b2beeab94f7cbc38143e2a050c263476419bb48d2ec37470df5b1ee0da812f50. 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: 13
| SHA256 hash: | b2beeab94f7cbc38143e2a050c263476419bb48d2ec37470df5b1ee0da812f50 |
|---|---|
| SHA3-384 hash: | 4d881ef9780883fa7473f8b1c5ca0048c600d46e3c516d17bb7c044d96180fe15bb64f6dc7057601bbee79d6c667478c |
| SHA1 hash: | d6edc9316356ee3748e3de70d3d59dcb95b34de2 |
| MD5 hash: | 0941a59548b4f95082dfa17f85c6557c |
| humanhash: | uranus-july-artist-hot |
| File name: | 0941a59548b4f95082dfa17f85c6557c |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'368'064 bytes |
| First seen: | 2021-08-09 13:24:07 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9f4693fc0c511135129493f2161d1e86 (250 x Neshta, 15 x Formbook, 14 x AgentTesla) |
| ssdeep | 24576:Sr4IPzH6WoE6+a0m+saUGENr8tG5BuPKboy9Ig:S0wLtoJ+sa7ENwEJ0y97 |
| Threatray | 104 similar samples on MalwareBazaar |
| TLSH | T17555BE9D3640B6AFC417C572CA549D74E6606CA6631BC60B909339EEBB3DA87CF140F2 |
| dhash icon | 70e0d8eaeae8f870 (1 x RemcosRAT) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe Neshta RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0941a59548b4f95082dfa17f85c6557c
Verdict:
Malicious activity
Analysis date:
2021-08-09 13:25:47 UTC
Tags:
rat remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
neshta
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a file in the Windows directory
Modifying an executable file
Creating a window
Creating a file
Sending a custom TCP request
Sending a UDP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the shell\open\command registry branches
Infecting executable files
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:
Neshta
Verdict:
Malicious
Result
Threat name:
Remcos Neshta
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Infects executable files (exe, dll, sys, html)
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample is not signed and drops a device driver
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Neshta
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Virus.Neshta
Status:
Malicious
First seen:
2021-08-09 12:17:23 UTC
AV detection:
45 of 46 (97.83%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 94 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost evasion persistence rat spyware stealer
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Loads dropped DLL
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Executes dropped EXE
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Modifies system executable filetype association
Remcos
Malware Config
C2 Extraction:
45.137.22.101:5888
Unpacked files
SH256 hash:
b2beeab94f7cbc38143e2a050c263476419bb48d2ec37470df5b1ee0da812f50
MD5 hash:
0941a59548b4f95082dfa17f85c6557c
SHA1 hash:
d6edc9316356ee3748e3de70d3d59dcb95b34de2
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: | MAL_Neshta_Generic |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Neshta malware |
| Reference: | Internal Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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