MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb9e13fd092522e4dde08e96961117f9926e3ef70ca3b225f8c388e476541a21. 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 1 YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eb9e13fd092522e4dde08e96961117f9926e3ef70ca3b225f8c388e476541a21
SHA3-384 hash: ddb10eeb1750d297824e5e7657b0c7e2da476d5a14b02340e6fab649900aa70c5c5016ab6763cf6ee7d8cf15203917dd
SHA1 hash: 58adf5d60d9da823a4fd62282c0c46134e20e47b
MD5 hash: 2e91e5e3d39ce4155edad4f2a3acf916
humanhash: kilo-four-august-foxtrot
File name:EXTRACTOSERFINANZA989543704031499704092798964.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'912'320 bytes
First seen:2021-04-29 03:26:40 UTC
Last seen:2021-04-29 09:40:07 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 24576:DFQF36FFFFFvFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFmFFFFFFFvlFFFFFFce5:6N
Threatray 1'739 similar samples on MalwareBazaar
TLSH E19567F419D6DC72D2270A10BC7925381D64A74B6081FA3C5CBFEEE9062539FA1BEC19
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 :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EXTRACTOSERFINANZA989543704031499704092798964.exe
Verdict:
Malicious activity
Analysis date:
2021-04-29 03:43:41 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/69391663-764c-4997-b176-8f4335a5b9ac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/146186/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Sending a UDP request
Launching a process
Adding an access-denied ACE
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Deleting a recently created file
DNS 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/701637
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 signatures2 2 Behavior Graph ID: 399743 Sample: EXTRACTOSERFINANZA989543704... Startdate: 29/04/2021 Architecture: WINDOWS Score: 100 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 11 EXTRACTOSERFINANZA989543704031499704092798964.exe 3 2->11         started        14 PxxoServicesTrialNet1.exe 2->14         started        17 PxxoServicesTrialNet1.exe 2->17         started        process3 file4 97 Contains functionality to steal Chrome passwords or cookies 11->97 99 Contains functionality to capture and log keystrokes 11->99 101 Contains functionality to inject code into remote processes 11->101 103 Contains functionality to steal Firefox passwords or cookies 11->103 19 EXTRACTOSERFINANZA989543704031499704092798964.exe 4 5 11->19         started        22 cmd.exe 1 11->22         started        24 WerFault.exe 24 9 11->24         started        75 C:\Users\...\PxxoServicesTrialNet1.exe.log, ASCII 14->75 dropped 105 Hides threads from debuggers 14->105 107 Injects a PE file into a foreign processes 14->107 27 cmd.exe 14->27         started        29 cmd.exe 17->29         started        31 PxxoServicesTrialNet1.exe 17->31         started        33 PxxoServicesTrialNet1.exe 17->33         started        35 WerFault.exe 17->35         started        signatures5 process6 dnsIp7 71 C:\Users\user\...\PxxoServicesTrialNet1.exe, PE32 19->71 dropped 73 PxxoServicesTrialN...exe:Zone.Identifier, ASCII 19->73 dropped 37 wscript.exe 1 19->37         started        39 conhost.exe 22->39         started        41 timeout.exe 1 22->41         started        77 192.168.2.1 unknown unknown 24->77 43 conhost.exe 27->43         started        45 timeout.exe 27->45         started        47 conhost.exe 29->47         started        49 timeout.exe 29->49         started        file8 process9 process10 51 cmd.exe 1 37->51         started        process11 53 PxxoServicesTrialNet1.exe 3 51->53         started        56 conhost.exe 51->56         started        signatures12 89 Multi AV Scanner detection for dropped file 53->89 91 Machine Learning detection for dropped file 53->91 93 Contains functionality to steal Chrome passwords or cookies 53->93 95 5 other signatures 53->95 58 PxxoServicesTrialNet1.exe 53->58         started        61 cmd.exe 53->61         started        63 PxxoServicesTrialNet1.exe 53->63         started        65 WerFault.exe 53->65         started        process13 dnsIp14 79 databasepropersonombrecomercialideasearchwords.services 190.255.84.57, 3521 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 58->79 67 conhost.exe 61->67         started        69 timeout.exe 61->69         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eb9e13fd092522e4dde08e96961117f9926e3ef70ca3b225f8c388e476541a21/
Threat name:
Win32.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2021-04-29 03:27:13 UTC
AV detection:
5 of 47 (10.64%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5opbh7ijeurojxpar2ljmeix7gjg4pxxbsr3ejpyyoeoi5sudiqq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0769c1487705fd65aeacdd813882e532d3bbd4ffa7106a2015bac448d8091bbb
RemcosRAT
4579780c18fb273fd0884237c7a4021dbbb38494194d8c1840449e8a62d29251
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4fe8c8398a6cf30cfd7cbed590de821abdb40aa177781c43c19bdfec75308355
RemcosRAT
522a495b289cf22898f762f18571b8839194e6232cb80fbb28dc426cbeeee323
RemcosRAT
622a12c9935eb8f0cfa499bb445642a837fa150a161e5393f7a1d759e6f94f02
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833b575dac3a049ede0d27e2ff801d2e8d647cf04006f0037e1a9c71d7c8ace4
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ab9041fe7e0a4a439521d6eb01cc16d74c00a0427c86b067120ac453ba7329d9
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c39bdd8f7c69c3140ef920e2b1d5965310058c5fa425b871f4d7751d8291d55e
RemcosRAT
cee5cdde8972799268ab97a77880793470dfc0d93c5e697bb66f83b6675f51ba
RemcosRAT
e0d4ce0316734fce0ea0d950f0ff1b4182f1364d581c549a199ac041cfe68ebb
RemcosRAT
+ 1'729 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-s8hxpfxxxs/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
cab07140b28a503e25a9805efa989a5dddd77c3286df09c80a7df93eaf6a8e2b
MD5 hash:
a36e810eb4d3481e60683d8a88d6bc71
SHA1 hash:
a1d8cb831af57d6b9834e83f34fb9e06aa721f0e
Link:
https://www.unpac.me/results/e9d700d8-eba7-4773-9c0c-badc6bf83ffa/
SH256 hash:
0493a59085308d43a74f63364e7dbb230bab62db785260e76a7614e858f5a9cc
MD5 hash:
26d751535920c2385664b36d21168d6a
SHA1 hash:
3bbbcda6b2886e26f8cba740b0fdfcd05b74fbbf
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/e9d700d8-eba7-4773-9c0c-badc6bf83ffa/
SH256 hash:
eb9e13fd092522e4dde08e96961117f9926e3ef70ca3b225f8c388e476541a21
MD5 hash:
2e91e5e3d39ce4155edad4f2a3acf916
SHA1 hash:
58adf5d60d9da823a4fd62282c0c46134e20e47b
Link:
https://www.unpac.me/results/e9d700d8-eba7-4773-9c0c-badc6bf83ffa/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Barys
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/eb9e13fd092522e4dde08e96961117f9926e3ef70ca3b225f8c388e476541a21

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/146186/

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