MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcacb340582be7a1764da1d56bd4e86d027987eb6a985ca973fa9d1509eb0863. 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


Intelligence 13 IOCs YARA 9 File information Comments

SHA256 hash: bcacb340582be7a1764da1d56bd4e86d027987eb6a985ca973fa9d1509eb0863
SHA3-384 hash: 4d23d05819ffa883a87e9f1f135fddc1124284df8a6539f7164e896feda66ad3388d42fc805131403a66a8fe78b858fb
SHA1 hash: b8b576dd30be1e279567e780edcc00067515d727
MD5 hash: ea93512c5e7bba30c5a4dc3f4e51e6c8
humanhash: summer-lake-bacon-mexico
File name:SWIFT.exe
Download: download sample
Signature RemcosRAT
File size:171'520 bytes
First seen:2021-01-19 12:03:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 43f1b4fb55ffa0f3576d845e7070130e (5 x Loki, 5 x Formbook, 4 x AgentTesla)
ssdeep 3072:pZbrCpB4mKrQUWbETjAwmd5JRqfmf6+ZWAXoBzv/6ueZHCumPeFpnkg6+yehe:jbrCpB4rnRXAwmd5JRqeS2/4tIZiubyB
Threatray 1'415 similar samples on MalwareBazaar
TLSH 5AF301DA9B9C9F71D196C5F52C196CE86A270052338610EB8BC97C787CDF9C2E03A94D
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: [37.46.150.2]
Sending IP: 37.46.150.2
From: julesendkate@gmail.com
Subject: Re: Transfer Swift From Our Bank
Attachment: SWIFT.rar (contains "SWIFT.exe")

RemcosRAT C2:
whatgodcannotdodoestnotexist.duckdns.org:2889 (185.140.53.154)

Pointing to nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'

inetnum: 185.140.53.0 - 185.140.53.255
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-EU
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-11-06T23:02:44Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SWIFT.exe
Verdict:
Malicious activity
Analysis date:
2021-01-19 12:09:26 UTC
Tags:
rat remcos trojan keylogger stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a window
Deleting a recently created file
DNS request
Reading critical registry keys
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Stealing user critical data
Enabling autorun by creating a file
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.
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
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
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Tries to steal Mail credentials (via file registry)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 341481 Sample: SWIFT.exe Startdate: 19/01/2021 Architecture: WINDOWS Score: 100 64 Multi AV Scanner detection for domain / URL 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus detection for dropped file 2->68 70 10 other signatures 2->70 11 SWIFT.exe 4 2->11         started        15 remcos.exe 1 2->15         started        17 remcos.exe 1 2->17         started        process3 file4 58 C:\Users\user\AppData\Local\Temp\...\file.exe, PE32 11->58 dropped 60 C:\...\335690eb165b4aef803128cd2c18e510.xml, XML 11->60 dropped 82 Contains functionality to steal Chrome passwords or cookies 11->82 84 Contains functionality to capture and log keystrokes 11->84 86 Contains functionality to inject code into remote processes 11->86 88 Contains functionality to steal Firefox passwords or cookies 11->88 19 SWIFT.exe 4 5 11->19         started        22 cmd.exe 1 11->22         started        90 Maps a DLL or memory area into another process 15->90 24 remcos.exe 15->24         started        26 remcos.exe 17->26         started        signatures5 process6 file7 54 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 19->54 dropped 56 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 19->56 dropped 28 wscript.exe 1 19->28         started        30 conhost.exe 22->30         started        32 schtasks.exe 1 22->32         started        process8 process9 34 cmd.exe 1 28->34         started        process10 36 remcos.exe 1 34->36         started        39 conhost.exe 34->39         started        signatures11 72 Antivirus detection for dropped file 36->72 74 Multi AV Scanner detection for dropped file 36->74 76 Detected unpacking (creates a PE file in dynamic memory) 36->76 78 6 other signatures 36->78 41 remcos.exe 2 3 36->41         started        process12 dnsIp13 62 whatgodcannotdodoestnotexist.duckdns.org 185.140.53.154, 2889, 49724, 49725 DAVID_CRAIGGG Sweden 41->62 80 Injects a PE file into a foreign processes 41->80 45 remcos.exe 1 41->45         started        48 remcos.exe 13 41->48         started        50 remcos.exe 1 41->50         started        52 remcos.exe 41->52         started        signatures14 process15 signatures16 92 Tries to steal Instant Messenger accounts or passwords 45->92 94 Tries to steal Mail credentials (via file access) 45->94 96 Tries to harvest and steal browser information (history, passwords, etc) 48->96
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2021-01-19 10:28:25 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat spyware
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Nirsoft
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
whatgodcannotdodoestnotexist.duckdns.org:2889
Unpacked files
SH256 hash:
131c70f2ae38fe1bb45b3350d540af57c04587e143dc0309073161e9ad72ab76
MD5 hash:
c241437e8aa6f4717dcb1f24d1d04ceb
SHA1 hash:
1d76ade6ba3ed02363eb7bcf29ba3b11e6f1dce8
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
bcacb340582be7a1764da1d56bd4e86d027987eb6a985ca973fa9d1509eb0863
MD5 hash:
ea93512c5e7bba30c5a4dc3f4e51e6c8
SHA1 hash:
b8b576dd30be1e279567e780edcc00067515d727
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

RemcosRAT

Executable exe bcacb340582be7a1764da1d56bd4e86d027987eb6a985ca973fa9d1509eb0863

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments