MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc8de0f68549d84a62dcd11df6625b2bfe08a6cfaea102f4710e28969a60f689. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc8de0f68549d84a62dcd11df6625b2bfe08a6cfaea102f4710e28969a60f689
SHA3-384 hash: dacd919ce501c6849603ed69bfde368a0f03e4b0a6f9b0474e89520a34f08736061da5ccdfc9fffc62303f0ab27637ff
SHA1 hash: 36d2b62c8095a6adacec6c3926e928f55223b7c6
MD5 hash: 3e32502fe8d1835c65c7991fef3723a1
humanhash: arkansas-music-iowa-fillet
File name:Payment Advice Note from 12_07_2020.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:418'816 bytes
First seen:2020-12-07 19:31:33 UTC
Last seen:2020-12-07 21:39:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:z0wODQtk7gaPqbLXb2wt12OOD9VaqFFkvPeOTaFhiGIzAb209sLxEqD5C/dqVrn0:rjec19GVByneO+eB0iLxTbR0
Threatray 1'209 similar samples on MalwareBazaar
TLSH A794F1311246AEABDB3E0FB7814826158EF4F8677A17F7ACBE8050D505E67D48E10EB1
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: siemens.com
Sending IP: 45.120.139.169
From: BATCH_USXI_AC6 USXX US pymts S <itccsservicedesk.healthcare@siemens.com>
Subject: Payment Advice Note from 12/07/2020
Attachment: Payment Advice Note from 12_07_2020.iso (contains "Payment Advice Note from 12_07_2020.exe")

RemcosRAT C2:
89.249.74.213:40511

Intelligence

File Origin
# of uploads :
3
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Advice Note from 12_07_2020.exe
Verdict:
Malicious activity
Analysis date:
2020-12-07 19:42:34 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/c02e1b57-a379-4f9e-9cd4-a40fbe016ff7

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/107098/
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.14.17342.8291.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Gathering data
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/557323
Signature
Allocates memory in foreign processes
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
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Svchost Process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 327759 Sample: Payment Advice Note from 12... Startdate: 07/12/2020 Architecture: WINDOWS Score: 100 56 g.msn.com 2->56 70 Malicious sample detected (through community Yara rule) 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 Detected Remcos RAT 2->74 76 10 other signatures 2->76 14 Payment Advice Note from 12_07_2020.exe 3 2->14         started        17 msworrd.exe 2 2->17         started        signatures3 process4 file5 52 Payment Advice Not... 12_07_2020.exe.log, ASCII 14->52 dropped 20 Payment Advice Note from 12_07_2020.exe 4 5 14->20         started        68 Drops executables to the windows directory (C:\Windows) and starts them 17->68 24 msworrd.exe 17->24         started        signatures6 process7 file8 48 C:\Windows\SysWOW64\mssofficee\msworrd.exe, PE32 20->48 dropped 50 C:\Windows\...\msworrd.exe:Zone.Identifier, ASCII 20->50 dropped 78 Creates an autostart registry key pointing to binary in C:\Windows 20->78 26 wscript.exe 1 20->26         started        signatures9 process10 process11 28 cmd.exe 1 26->28         started        process12 30 msworrd.exe 3 28->30         started        34 conhost.exe 28->34         started        file13 54 C:\Users\user\AppData\...\msworrd.exe.log, ASCII 30->54 dropped 86 Multi AV Scanner detection for dropped file 30->86 88 Detected unpacking (changes PE section rights) 30->88 90 Detected unpacking (overwrites its own PE header) 30->90 92 3 other signatures 30->92 36 msworrd.exe 4 2 30->36         started        signatures14 process15 dnsIp16 58 89.249.74.213, 40511, 49735, 49736 M247GB United Kingdom 36->58 80 Writes to foreign memory regions 36->80 82 Allocates memory in foreign processes 36->82 84 Injects a PE file into a foreign processes 36->84 40 svchost.exe 2 12 36->40         started        signatures17 process18 process19 42 iexplore.exe 40->42         started        dnsIp20 60 192.168.2.1 unknown unknown 42->60 45 iexplore.exe 42->45         started        process21 dnsIp22 62 avatars3.githubusercontent.com 45->62 64 avatars1.githubusercontent.com 45->64 66 3 other IPs or domains 45->66
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc8de0f68549d84a62dcd11df6625b2bfe08a6cfaea102f4710e28969a60f689/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-07 19:32:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
10 of 29 (34.48%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zsg6b5ufjhmeuyw42eo7mys3fp7arjwpv2qqf5drbyujngta62eq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1c517ddebb6f5893d52918c51a70e56f68b50dd65e0460a673cce3625a0f8a2b
RemcosRAT
3ad976b10711565d40a43e17baa86f178a22066c982363d711db1f7edbff3ff2
RemcosRAT
4096056536154e1fa5a10e3495cd3ddadf7c01022b7b65b0c35a67b2eac2bc6b
RemcosRAT
54c9967a2b3467f1a5961630d0bd429400e781de19866a383267c40e0f9acf2f
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
65228df6e85371a2b4b1e5340f11e36cdc94f8b39bda216c0ed143eaac36912b
RemcosRAT
6c489ebc2d7b407a9058479ee3e54b83949ef2a58ce749528cea74b4f0b5db0e
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
RemcosRAT
e1865abf21c3b8f3b3d15e6c6e477468941f9e65700ceaaa0f4cb269d967c83e
RemcosRAT
+ 1'199 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201207-2yk6qvx1gs/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
89.249.74.213:40511
Unpacked files
SH256 hash:
cc8de0f68549d84a62dcd11df6625b2bfe08a6cfaea102f4710e28969a60f689
MD5 hash:
3e32502fe8d1835c65c7991fef3723a1
SHA1 hash:
36d2b62c8095a6adacec6c3926e928f55223b7c6
Link:
https://www.unpac.me/results/8387dbe2-a4da-4b87-ac76-a1ddcff8443c/
SH256 hash:
c88a66cbf00b12c88e2b970b8bc220e970e8465e56098ced24e97d42be901b94
MD5 hash:
a60401dc02ff4f3250a749965097e13f
SHA1 hash:
3f22d28fd765f831084cb972a8bd071e421c26a1
Link:
https://www.unpac.me/results/8387dbe2-a4da-4b87-ac76-a1ddcff8443c/
SH256 hash:
604112dfa33c605a703113da3e3812b62572d51aa95853454c50c9d2b8b2dd8d
MD5 hash:
41b80a5e7a663e972734524d25bebb18
SHA1 hash:
60f5228570faed8b6dd4ca05261adcc0b40a4cc4
Link:
https://www.unpac.me/results/8387dbe2-a4da-4b87-ac76-a1ddcff8443c/
SH256 hash:
a7ac9077e12237be3be4793c8d18e893f2e27bbab647dcfd383ab54fca5038d8
MD5 hash:
daa46bbd971635a304f5a2e111bb93f7
SHA1 hash:
d0678804c23ec6cb5ee6079b4b46ac8824de398d
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/8387dbe2-a4da-4b87-ac76-a1ddcff8443c/
Parent samples :
546b14e45dad5ac436d7c928dc8e325082eacf2bd329a6f21648f37a37fe507d
be0874a5aac730116aa21f21765232ae5ef951d8714c9eff0e5f3aa23edfbdd0
8dcddb09beaddfaa8fb85dcce62423a505cfd3fa4881e64730b0f31aa3c54b68
cc8de0f68549d84a62dcd11df6625b2bfe08a6cfaea102f4710e28969a60f689
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/cc8de0f68549d84a62dcd11df6625b2bfe08a6cfaea102f4710e28969a60f689

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:SUSP_Reversed_Base64_Encoded_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an base64 encoded executable with reversed characters
Reference:Internal Research
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

File information

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

91ee409e5e76b25e9fc3d72f3d15a564

RemcosRAT

Executable exe cc8de0f68549d84a62dcd11df6625b2bfe08a6cfaea102f4710e28969a60f689

(this sample)

  
Dropped by
MD5 91ee409e5e76b25e9fc3d72f3d15a564
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/107098/

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