MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa
SHA3-384 hash: ac7c977cbd69add2a71711c6edcdab449d06dcd8f03745680aa4a10dc76ba39c2080fee1e51506f77b373369a95eb599
SHA1 hash: 31b7ad142dfef57d6f8becc4b7b6528c67617827
MD5 hash: 332638c6639e013b5bba729b78b9c234
humanhash: six-asparagus-maryland-bakerloo
File name:HRT.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:979'456 bytes
First seen:2023-04-19 13:32:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:isXMIyXL8g2DGwmie5K7lvHLZtVmeTk/u+UqCoKfD+eJKV6Z:Lmd2DG/15KxvzTh+UqRKr0V
TLSH T141251269F37ACE19E2BC563AC1C6484403F16646A543E70A6CD330DB672BBC54EC1BA7
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 69e8b2f0d0c4e830 (5 x RemcosRAT)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
240
Origin country :
US US
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
HRT.exe
Verdict:
Malicious activity
Analysis date:
2023-04-19 13:34:56 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/7d47a58d-9a0c-4b2a-9a6f-18ff577d0024

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/383294/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
floxif lokibot packed virus
Link:
https://www.filescan.io/uploads/643fed90000396b4e99979de/reports/75eebff8-05a5-4992-9b2f-926059314610/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa
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/d19e3866-e0cb-4799-8a36-f71305f51334
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1217552
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 850492 Sample: HRT.exe Startdate: 20/04/2023 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 9 other signatures 2->68 10 HRT.exe 3 2->10         started        14 qos.exe 2 2->14         started        16 qos.exe 2->16         started        18 qos.exe 2 2->18         started        process3 file4 56 C:\Users\user\AppData\Local\...\HRT.exe.log, ASCII 10->56 dropped 76 Contains functionality to steal Chrome passwords or cookies 10->76 78 Contains functionality to steal Firefox passwords or cookies 10->78 80 Delayed program exit found 10->80 20 HRT.exe 5 4 10->20         started        82 Injects a PE file into a foreign processes 14->82 23 qos.exe 14->23         started        25 qos.exe 14->25         started        27 qos.exe 14->27         started        29 qos.exe 14->29         started        31 qos.exe 16->31         started        33 qos.exe 16->33         started        35 qos.exe 18->35         started        signatures5 process6 file7 50 C:\Users\user\AppData\Roaming\qos.exe, PE32 20->50 dropped 52 C:\Users\user\...\qos.exe:Zone.Identifier, ASCII 20->52 dropped 54 C:\Users\user\...\mmsogbmgwktfkahtuwfqsm.vbs, data 20->54 dropped 37 wscript.exe 1 20->37         started        process8 process9 39 cmd.exe 1 37->39         started        process10 41 qos.exe 3 39->41         started        44 conhost.exe 39->44         started        signatures11 70 Antivirus detection for dropped file 41->70 72 Multi AV Scanner detection for dropped file 41->72 74 Machine Learning detection for dropped file 41->74 46 qos.exe 2 15 41->46         started        process12 dnsIp13 58 gdyhjjdhbvxgsfe.gotdns.ch 37.139.129.71, 2718, 49690 LVLT-10753US Germany 46->58 60 geoplugin.net 178.237.33.50, 49691, 80 ATOM86-ASATOM86NL Netherlands 46->60 84 Installs a global keyboard hook 46->84 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-04-18 07:19:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=na4eh7rfpxokclugi2ligbcixqcop3vzvnj6ilobqxmjqrrmqx5a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:awele-host persistence rat
Link:
https://tria.ge/reports/230419-qthnrsag64/
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
gdyhjjdhbvxgsfe.gotdns.ch:2718
Unpacked files
SH256 hash:
b6836aaed0bafc4572400038565a1a0920abee07bbf4d03095c93ffea1fa902f
MD5 hash:
91a761734c26bf3fe883a2cad4b60008
SHA1 hash:
8cfbf4db834db1b9269dd658f531be011300152e
Link:
https://www.unpac.me/results/dac1e624-7797-4de6-96c7-87afaf0b9fb8/
SH256 hash:
fe9b136449454e8ee8f9a75b291ce99a757b012a8b29aa90421e342084d920c7
MD5 hash:
f625432ae758ebc9e21c49b062cf00a3
SHA1 hash:
74be01cb3f87824d7c84a127e682a8f42aab51aa
Link:
https://www.unpac.me/results/dac1e624-7797-4de6-96c7-87afaf0b9fb8/
SH256 hash:
75bc0f69d83f444ad9030d31c085f5eb3466250aabe45522455e4c1e81a0791d
MD5 hash:
6fcf423bc56ba93a7b2a18669ba73f62
SHA1 hash:
715020bd10efd5244238a7931ea739187ff84ea2
Detections:
Remcos
Create hunting rule
raccoonstealer
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/dac1e624-7797-4de6-96c7-87afaf0b9fb8/
Parent samples :
5cf08a64c8bddc68665dad7e028a4fe97ebb70d208fba0c83d83af83f38427a2
282f91fa5f97cf075829ce5a82abfbd642939afd7d38046348f51d7e5643b97d
1e412b5ff0ae94b987740547ac33289b8bd2f7caaccd6e629cfe57d11dc14995
0f111ae9913e0c6f2978f0af21c027db5be557acde02e240d5a4b3ce9be9fdbd
7b0d9ba55d89502a2c87615b74fa58bd2f1da801fb281e1bf1bbfc05361e9583
683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa
SH256 hash:
fd2227d6684a7a45d7df1dad0bd7074561109b1a17d8cef255faec2f8595412b
MD5 hash:
32fa781517456b93d9c560137744cf8e
SHA1 hash:
0f505272825a6c20eecd36d56eaaa0c401ea734f
Link:
https://www.unpac.me/results/dac1e624-7797-4de6-96c7-87afaf0b9fb8/
SH256 hash:
683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa
MD5 hash:
332638c6639e013b5bba729b78b9c234
SHA1 hash:
31b7ad142dfef57d6f8becc4b7b6528c67617827
Link:
https://www.unpac.me/results/dac1e624-7797-4de6-96c7-87afaf0b9fb8/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/683843fe257d/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/683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/383294/

Comments