MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be989e2f8769f464453807ce5b7a2e104e1a3f7e299952d6c4009019ed31ebb0. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be989e2f8769f464453807ce5b7a2e104e1a3f7e299952d6c4009019ed31ebb0
SHA3-384 hash: 307e0e13b31d0ae4e9588e37dea560a7bf67f93fd718b2289b0025765ac325d5198d225f03038844322173d12cfb404c
SHA1 hash: cbf4ce2d6c91dbca6aea4834696733bfd9792fd8
MD5 hash: 419a7ac0d8107fa55469468cccfafab8
humanhash: utah-papa-carolina-skylark
File name:vbc.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'030'656 bytes
First seen:2023-02-14 15:13:54 UTC
Last seen:2023-02-14 16:34:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:OKFQmymXknLaxx0EwBooGOMWuBOL7Mzwy0hIHpyhkHwXwopUU35vt6sapRuTCOH:OKbRRjmkwytJyhKwTpUwmRuTCOH
TLSH T18B25F10B2DCA5BB2C4998934F7A945D843F04E1F1164E7DB2DC932E8CEB975A27021B7
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 98a2a6a08383a200 (9 x RemcosRAT, 3 x Formbook, 1 x AgentTesla)
Reporter pr0xylife
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
224
Origin country :
RU RU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2023-02-14 15:14:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/50a5b5d9-26fc-4a7f-ac5a-c4f5045545fc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/365800/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.64696.32577.26367.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Creating a file
Enabling autorun
Gathering data
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/be989e2f8769f464453807ce5b7a2e104e1a3f7e299952d6c4009019ed31ebb0
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/67d80d60-a60a-44b8-a5ea-e172ecabb5ab
Result
Threat name:
DarkTortilla, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1174548
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected DarkTortilla Crypter
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 807347 Sample: vbc.exe Startdate: 14/02/2023 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 7 other signatures 2->50 7 vbc.exe 15 4 2->7         started        process3 dnsIp4 42 www.google.com 142.250.184.100, 443, 49710 GOOGLEUS United States 7->42 32 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 7->32 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->54 12 cmd.exe 1 7->12         started        15 cmd.exe 3 7->15         started        file5 signatures6 process7 file8 56 Uses ping.exe to sleep 12->56 58 Uses ping.exe to check the status of other devices and networks 12->58 18 reg.exe 1 1 12->18         started        21 PING.EXE 1 12->21         started        24 conhost.exe 12->24         started        34 C:\Users\user\AppData\Roaming\...\fdhgssj.exe, PE32 15->34 dropped 36 C:\Users\user\...\fdhgssj.exe:Zone.Identifier, ASCII 15->36 dropped 26 conhost.exe 15->26         started        28 PING.EXE 1 15->28         started        30 PING.EXE 1 15->30         started        signatures9 process10 dnsIp11 52 Creates an undocumented autostart registry key 18->52 38 127.0.0.1 unknown unknown 21->38 40 192.168.2.1 unknown unknown 21->40 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/be989e2f8769f464453807ce5b7a2e104e1a3f7e299952d6c4009019ed31ebb0/
Threat name:
ByteCode-MSIL.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2023-02-14 15:14:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
62
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x2mj4l4hnh2girjya7hfw6rocbhbup36fgmvfvweacibt3jr5oya._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/230214-smbb8adg3s/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Executes dropped EXE
Uses the VBS compiler for execution
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
be989e2f8769f464453807ce5b7a2e104e1a3f7e299952d6c4009019ed31ebb0
MD5 hash:
419a7ac0d8107fa55469468cccfafab8
SHA1 hash:
cbf4ce2d6c91dbca6aea4834696733bfd9792fd8
Link:
https://www.unpac.me/results/dfb1a938-2b0b-4535-8fde-fa53da09b2e5/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/be989e2f8769/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/be989e2f8769f464453807ce5b7a2e104e1a3f7e299952d6c4009019ed31ebb0

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: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.

Web download

RemcosRAT

Executable exe be989e2f8769f464453807ce5b7a2e104e1a3f7e299952d6c4009019ed31ebb0

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/365800/
  
URLhaus
https://urlhaus.abuse.ch/url/2539950/
  
Delivery method
Distributed via web download

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