MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6993ffac6e8c4020e152ce6ba165cf3efb429908340d2d9c02812dffc019cf0a. 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: 12


Intelligence 12 IOCs 1 YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6993ffac6e8c4020e152ce6ba165cf3efb429908340d2d9c02812dffc019cf0a
SHA3-384 hash: 359ec3d5522e6a72486e473035ff37686eea8cd0c30262217ee12e6d8341e197b34bb5a9e9faacdb521ae03a8371c70a
SHA1 hash: 6fd91fe21ba350f55bd6f00d389986084d4e3852
MD5 hash: 4b87651766b45ec78c2c9ea9a6951e5c
humanhash: comet-cat-nuts-fourteen
File name:EXTRACTOSERFINANZA718365418101786154346661555.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'928'704 bytes
First seen:2021-04-29 03:26:37 UTC
Last seen:2021-04-29 09:41:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:IPhkgRIPwByVczClLCrbkkIvNNnoDPjXQWjbizyiz+GyrPFjlpwP3E9vjWjOOsm8:EmhmlPQ529Tg5S1111PR6s1j
Threatray 1'738 similar samples on MalwareBazaar
TLSH 7C95E05AB1A18F3CC54B983385E6EE1182CAED4FF41285D5AD72D42FE141748E8BC8F6
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
190.255.84.57:3521

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
190.255.84.57:3521 https://threatfox.abuse.ch/ioc/22207/

Intelligence

File Origin
# of uploads :
2
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EXTRACTOSERFINANZA718365418101786154346661555.exe
Verdict:
Malicious activity
Analysis date:
2021-04-29 03:37:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/55cb934b-75e8-4e8c-aacb-be02c4e62e73

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/146360/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Creating a process from a recently created file
Creating a window
Deleting a recently created file
DNS request
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
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
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/703954
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to hide a thread from the debugger
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Country aware sample found (crashes after keyboard check)
Detected Remcos RAT
Found malware configuration
Hides threads from debuggers
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)
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 dnsIp2 2 Behavior Graph ID: 400899 Sample: EXTRACTOSERFINANZA718365418... Startdate: 30/04/2021 Architecture: WINDOWS Score: 100 77 databasepropersonombrecomercialideasearchwords.services 2->77 81 Multi AV Scanner detection for domain / URL 2->81 83 Found malware configuration 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 8 other signatures 2->87 12 EXTRACTOSERFINANZA718365418101786154346661555.exe 3 2->12         started        15 PxxoServicesTrialNet1.exe 2->15         started        17 PxxoServicesTrialNet1.exe 2->17         started        signatures3 process4 signatures5 97 Contains functionality to steal Chrome passwords or cookies 12->97 99 Contains functionality to capture and log keystrokes 12->99 101 Contains functionality to inject code into remote processes 12->101 107 2 other signatures 12->107 19 EXTRACTOSERFINANZA718365418101786154346661555.exe 4 5 12->19         started        22 cmd.exe 1 12->22         started        24 WerFault.exe 20 9 12->24         started        26 EXTRACTOSERFINANZA718365418101786154346661555.exe 12->26         started        103 Hides threads from debuggers 15->103 105 Injects a PE file into a foreign processes 15->105 28 cmd.exe 15->28         started        37 2 other processes 15->37 30 cmd.exe 17->30         started        32 WerFault.exe 17->32         started        35 PxxoServicesTrialNet1.exe 17->35         started        process6 dnsIp7 71 C:\Users\user\...\PxxoServicesTrialNet1.exe, PE32 19->71 dropped 73 PxxoServicesTrialN...exe:Zone.Identifier, ASCII 19->73 dropped 39 wscript.exe 1 19->39         started        41 conhost.exe 22->41         started        43 timeout.exe 1 22->43         started        45 conhost.exe 28->45         started        47 timeout.exe 28->47         started        49 conhost.exe 30->49         started        51 timeout.exe 30->51         started        75 192.168.2.1 unknown unknown 32->75 file8 process9 process10 53 cmd.exe 1 39->53         started        process11 55 PxxoServicesTrialNet1.exe 3 53->55         started        58 conhost.exe 53->58         started        signatures12 89 Multi AV Scanner detection for dropped file 55->89 91 Machine Learning detection for dropped file 55->91 93 Hides threads from debuggers 55->93 95 Injects a PE file into a foreign processes 55->95 60 PxxoServicesTrialNet1.exe 55->60         started        63 cmd.exe 55->63         started        65 WerFault.exe 55->65         started        process13 dnsIp14 79 databasepropersonombrecomercialideasearchwords.services 190.255.84.57, 3521 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 60->79 67 conhost.exe 63->67         started        69 timeout.exe 63->69         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6993ffac6e8c4020e152ce6ba165cf3efb429908340d2d9c02812dffc019cf0a/
Threat name:
Win32.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2021-04-29 03:27:12 UTC
AV detection:
6 of 47 (12.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ngj77ldorracbykszzv2czoph35ufgiigqgs3hacqew77qazz4fa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0769c1487705fd65aeacdd813882e532d3bbd4ffa7106a2015bac448d8091bbb
RemcosRAT
4579780c18fb273fd0884237c7a4021dbbb38494194d8c1840449e8a62d29251
RemcosRAT
4fe8c8398a6cf30cfd7cbed590de821abdb40aa177781c43c19bdfec75308355
RemcosRAT
522a495b289cf22898f762f18571b8839194e6232cb80fbb28dc426cbeeee323
RemcosRAT
622a12c9935eb8f0cfa499bb445642a837fa150a161e5393f7a1d759e6f94f02
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833b575dac3a049ede0d27e2ff801d2e8d647cf04006f0037e1a9c71d7c8ace4
RemcosRAT
ab9041fe7e0a4a439521d6eb01cc16d74c00a0427c86b067120ac453ba7329d9
RemcosRAT
c39bdd8f7c69c3140ef920e2b1d5965310058c5fa425b871f4d7751d8291d55e
RemcosRAT
cee5cdde8972799268ab97a77880793470dfc0d93c5e697bb66f83b6675f51ba
RemcosRAT
e0d4ce0316734fce0ea0d950f0ff1b4182f1364d581c549a199ac041cfe68ebb
RemcosRAT
+ 1'728 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210429-anfmjp16pj/
Behaviour
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
databasepropersonombrecomercialideasearchwords.services:3521
Unpacked files
SH256 hash:
ba45b69d77eda8e7aada9e2a0cf17906832a6e7a57fcdce5cfe438705a09f780
MD5 hash:
e29b2100f7064bf1036c8cfb40be385f
SHA1 hash:
054154b5a8489ed9763365fce43cae6830ea3005
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/8baab7e0-d01d-46a6-9753-d98e649e16f3/
SH256 hash:
7a5b6603fb23ce7023a546ce98fdede96a9afaba6206182ad61629e95b0e675e
MD5 hash:
fa904effb6ec7b9d8044d435eb6c41d0
SHA1 hash:
1ffb79434036cb5de5e279861bb33c147f3731a2
Link:
https://www.unpac.me/results/8baab7e0-d01d-46a6-9753-d98e649e16f3/
SH256 hash:
6993ffac6e8c4020e152ce6ba165cf3efb429908340d2d9c02812dffc019cf0a
MD5 hash:
4b87651766b45ec78c2c9ea9a6951e5c
SHA1 hash:
6fd91fe21ba350f55bd6f00d389986084d4e3852
Link:
https://www.unpac.me/results/8baab7e0-d01d-46a6-9753-d98e649e16f3/
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/6993ffac6e8c4020e152ce6ba165cf3efb429908340d2d9c02812dffc019cf0a

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/146360/

Comments