MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 497181638d2830749115aff8751dfaddc201d4a9de50e731c7e999381575f714. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
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SHA256 hash: 497181638d2830749115aff8751dfaddc201d4a9de50e731c7e999381575f714
SHA3-384 hash: 5aebd0ffc6df39a01567839075f02a9bd5a064cf0d6ba577e1abb58df8b5b7c32218589cb0493acb100a5dc3554ca889
SHA1 hash: 2dba6ac014c7115407fbd56e6367c3f57679404f
MD5 hash: 53d4ab9c429de02b7efc94d7be3e6059
humanhash: eight-nineteen-undress-aspen
File name:file
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:117'312 bytes
First seen:2023-06-02 13:32:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:1toI3eJY6z2cQEjbCTb6TbEVDR2fxvPXj5:1aJJ9zpblEVDsvj5
Threatray 1'094 similar samples on MalwareBazaar
TLSH T1B0B3F65636849605C5847AF495F7042503B2BED32272C28A7DB87B964F323B3CEC9B9D
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter jstrosch
Tags:.NET exe MSIL RemcosRAT X64

Intelligence

File Origin
# of uploads :
1
# of downloads :
271
Origin country :
US US
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Modis list.xls
Verdict:
Malicious activity
Analysis date:
2023-06-02 09:18:14 UTC
Tags:
opendir exploit cve-2017-11882 loader remcos
Link:
https://app.any.run/tasks/ce7d9222-7fa8-4dff-8c15-f6faf6d59222

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/394845/
Detection(s):
SecuriteInfo.com.Variant.Tedy.377786.6091.6240.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Creating a file
Sending a custom TCP request
Launching a process
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/6479ef8ee61069f44ce17ddc/reports/f1768114-3ad4-4e61-a4fa-8c109e848e21/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/497181638d2830749115aff8751dfaddc201d4a9de50e731c7e999381575f714
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/68dac787-1775-4cc7-83d5-55499c67f6e8
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1247619
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
Sigma detected: Remcos
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 880640 Sample: file.exe Startdate: 02/06/2023 Architecture: WINDOWS Score: 100 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 14 other signatures 2->41 7 file.exe 14 5 2->7         started        process3 dnsIp4 33 84.54.50.31, 49697, 80 LVLT-10753US Germany 7->33 25 C:\Users\user\AppData\Roaming\...\H2.exe, PE32+ 7->25 dropped 27 C:\Users\user\AppData\Local\...\file.exe.log, CSV 7->27 dropped 51 Self deletion via cmd or bat file 7->51 12 H2.exe 1 7->12         started        15 cmd.exe 1 7->15         started        file5 signatures6 process7 signatures8 53 Writes to foreign memory regions 12->53 55 Allocates memory in foreign processes 12->55 57 Injects a PE file into a foreign processes 12->57 17 aspnet_compiler.exe 3 13 12->17         started        21 conhost.exe 15->21         started        23 choice.exe 1 15->23         started        process9 dnsIp10 29 pekonomia.duckdns.org 185.225.74.112, 30861, 49698 MAYAKBG Germany 17->29 31 geoplugin.net 178.237.33.50, 49699, 80 ATOM86-ASATOM86NL Netherlands 17->31 43 Contains functionality to bypass UAC (CMSTPLUA) 17->43 45 Contains functionality to steal Chrome passwords or cookies 17->45 47 Contains functionality to modify clipboard data 17->47 49 2 other signatures 17->49 signatures11
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/497181638d2830749115aff8751dfaddc201d4a9de50e731c7e999381575f714/
Threat name:
Win64.Trojan.Malagent
Create hunting rule
Status:
Malicious
First seen:
2023-06-02 12:29:38 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
9
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jfyycy4nfayhjeivv74hkhp23xbadvfj3zioomoh5gmtqflv64ka._file
Verdict:
malicious
Similar samples:
069b31cb7f9054647b684da4fc5263fa690e32d75729ec6b5c808b0c532b9628
RemcosRAT
12de04133def8f1652bbf2aaac8454d76141f5115e9e6d9131dcb2ffbdbee66e
RemcosRAT
2e085282467ab80f8064d2557f4afea9a82ba68e52ccd6f6f4c75e0f81dd0b30
RemcosRAT
5d101b2efae1e9390ac98e014a05d54338ec45cd73ff5dd70842877910f7b758
RemcosRAT
6000a66320ec04d7738f80e43085649f1c47bd12a2852e825e71876ec4567c07
RemcosRAT
6f8f904598a1dd49277595855a35602aeecc1ce6471dcc949def88f27199388e
RemcosRAT
7c5f6eb2a7eafa8c6891486bb1af755cc64e087c67945ab51bada4f4fcaea2ed
RemcosRAT
b6e4d99871249faefd2ed9dab5dd045d3d9ea13b4608262588eb157ddc312a68
RemcosRAT
d6618f430c04b203394c7887803a2171402efa31427c0835e24c9dec935bf79c
RemcosRAT
eb8302fbd0a3eda7620c0af1728a5d151afe1648d07525862c3701fc34c36d63
RemcosRAT
+ 1'084 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/230602-qthnrsbe94/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Remcos
Malware Config
C2 Extraction:
pekonomia.duckdns.org:30861
Unpacked files
SH256 hash:
497181638d2830749115aff8751dfaddc201d4a9de50e731c7e999381575f714
MD5 hash:
53d4ab9c429de02b7efc94d7be3e6059
SHA1 hash:
2dba6ac014c7115407fbd56e6367c3f57679404f
Link:
https://www.unpac.me/results/dd1345b6-18c0-436f-9ffa-fa95ebe2934b/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/497181638d28/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/497181638d2830749115aff8751dfaddc201d4a9de50e731c7e999381575f714

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:AgentTesla
Create hunting rule
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe 497181638d2830749115aff8751dfaddc201d4a9de50e731c7e999381575f714

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/394845/
  
URLhaus
https://urlhaus.abuse.ch/url/2650844/

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