MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87
SHA3-384 hash: 7c4456902e96baf3f6b60e990906e437950e8d9b5c1bfe91174b56a173ffc446106a3d9ba27fb552d8f1ce2ffe8b9525
SHA1 hash: ac73792877fb0c43917ed9bf04c9f49351e6cb79
MD5 hash: f9bfbd329b700b7fcec0cdf438b2698a
humanhash: lamp-charlie-three-alanine
File name:Payment_Swift.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:295'936 bytes
First seen:2020-08-31 13:08:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'595 x Formbook, 12'238 x SnakeKeylogger)
ssdeep 6144:VNxfJ/thJbsUZczgUrFNRmJ52woQpllBFEoe+SCWhAI1HLLJ4R+:j1JrdspzgUrFNXsl5E7+NWhDxLqR
Threatray 1'040 similar samples on MalwareBazaar
TLSH 8D546C166E98E631E119593783CF184583B174830BB1C6462EADAEF1F18950F2D63FBE
Reporter abuse_ch
Tags:exe Hostwinds RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: hwsrv-765545.hostwindsdns.com
Sending IP: 104.168.236.147
From: info@robopeac.com
Subject: Re: Documents
Attachment: Payment_Swift.gz (contains "Payment_Swift.exe")

RemcosRAT C2:
185.165.153.151:2244

Hosted on nVpn:

% Information related to '185.165.153.0 - 185.165.153.255'

% Abuse contact for '185.165.153.0 - 185.165.153.255' is 'abuse@privacyfirst.sh'

inetnum: 185.165.153.0 - 185.165.153.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-EU2
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-18T12:14:26Z
last-modified: 2020-07-28T20:37:37Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/53551/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Connection attempt to an infection source
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/455484
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Detected Remcos RAT
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 280117 Sample: Payment_Swift.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 6 other signatures 2->47 7 Payment_Swift.exe 1 5 2->7         started        11 Monday31.exe 3 2->11         started        13 Monday31.exe 2 2->13         started        process3 file4 29 C:\Users\user\AppData\Roaming\Monday31.exe, PE32 7->29 dropped 31 C:\Users\...\Monday31.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\...\Payment_Swift.exe.log, ASCII 7->33 dropped 49 Contains functionalty to change the wallpaper 7->49 51 Contains functionality to steal Chrome passwords or cookies 7->51 53 Contains functionality to capture and log keystrokes 7->53 61 2 other signatures 7->61 15 Payment_Swift.exe 2 3 7->15         started        35 C:\Users\user\AppData\...\Monday31.exe.log, ASCII 11->35 dropped 55 Antivirus detection for dropped file 11->55 57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 19 Monday31.exe 11->19         started        21 Monday31.exe 13->21         started        23 MpCmdRun.exe 1 13->23         started        signatures5 process6 dnsIp7 37 185.165.153.151, 2244, 49731 DAVID_CRAIGGG Netherlands 15->37 39 91.193.75.146, 2021, 49730 DAVID_CRAIGGG Serbia 15->39 27 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 15->27 dropped 25 conhost.exe 21->25         started        file8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 04:58:17 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jbobgapuxsclyljhj5jselhxzjp33cxyokgrvkuxpjsxj5lx7odq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
emotet
Create hunting rule
hawkeyekeylogger
Create hunting rule
Similar samples:
4ea16682c6d48eb737c1857beceadc3d3077921c03fa62d9dad44d551d92729d
RemcosRAT
53136d19559089e0674af4ad81621b99a031741edcc486eb3d402fd180b1b77e
RemcosRAT
7133d7e48e25500913021a3d2c6d4efa3d9ace18d9887cd899f64c3c598c037a
RemcosRAT
7720da8dd623a00812870efdb75c2f2571417599ebfabcff48d2bd95cd029ea2
RemcosRAT
83eb442b175e4fe5a2fde6e8d72618eee280398f89a81da1f9c118d2c46032d4
RemcosRAT
9930543939f97818319ed031530d9e084994331aa4b06a304faeb321bbcc63db
RemcosRAT
a1c561c21720c4f1c3626276db6afc2c12b1aae9304c78518763eb78454f84b8
RemcosRAT
c232e05f633d3e2bd0a1486a955d7f72eb9155408a635666306d922b333809b2
RemcosRAT
c86bcfe4e22cb50054b44e38fc4fb79624c4ed5bf9a26174754dbb5c1a6baff8
RemcosRAT
eb1230ab4a5408a3d264bb51f1ff311fcf52aa97d52b801738cd5add365e77d2
RemcosRAT
+ 1'030 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
persistence rat family:remcos
Link:
https://tria.ge/reports/200831-g25wlx2dyn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87

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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_remcos_g0
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann<at>fkie.fraunhofer.de>

File information

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

Malspam

RemcosRAT

gz 0715f040b0d9178cb701646d3ddc729d943845db37b3d178811519c2d3b6b89c

RemcosRAT

Executable exe 485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87

(this sample)

  
Dropped by
MD5 2cce582c79bd1ba699224bb83d705037
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53551/
  
Dropped by
SHA256 0715f040b0d9178cb701646d3ddc729d943845db37b3d178811519c2d3b6b89c

Comments