MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b4088ae7dcb358f6054c3945ca02e944009dafbfc96267f95bae4049c5eca57. 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: 7b4088ae7dcb358f6054c3945ca02e944009dafbfc96267f95bae4049c5eca57
SHA3-384 hash: a4c0456b83386580a0513b67dfe0f1a9f450e2e6234892d3c84b8de6dc3529a21033b99b055cc8589edf86b8ed327047
SHA1 hash: 3d7f0923614e1173b472b9e7b6ca5e1ccfdb0d84
MD5 hash: 8c7fdfe7fc53a9ed5d440aca7a1f70aa
humanhash: bakerloo-charlie-hawaii-mockingbird
File name:8c7fdfe7fc53a9ed5d440aca7a1f70aa.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:929'280 bytes
First seen:2021-03-23 16:03:16 UTC
Last seen:2021-03-23 17:53:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:vapQrC5jt4oQTzDrsaN17W+kkUVAOPoNvPhvhGWOqpxvbC2fd+jJ1Xj0mPlJiJE:v/WVt1QTHrsanS6U8hI8b1+Pj0AiJE
Threatray 2'080 similar samples on MalwareBazaar
TLSH 7A15E58C5C9AC1CAC6750FB882CEC9EA46DA5FF30F2298BAB5D457CBC131741F50A526
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu

Intelligence

File Origin
# of uploads :
2
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Swift_confirmation_SOA for Ahnaf Feb 2021.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-23 15:08:10 UTC
Tags:
encrypted exploit CVE-2017-11882
Link:
https://app.any.run/tasks/bac7cb80-7995-4a2a-ac55-23df5c3cc5dc

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/126715/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.599.30973.15021.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/651459
Signature
C2 URLs / IPs found in malware configuration
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
Found malware configuration
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 374681 Sample: ZhDlePIYfS.exe Startdate: 24/03/2021 Architecture: WINDOWS Score: 100 60 Multi AV Scanner detection for domain / URL 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 8 other signatures 2->66 10 ZhDlePIYfS.exe 3 2->10         started        14 vlc.exe 2 2->14         started        16 vlc.exe 2 2->16         started        process3 file4 56 C:\Users\user\AppData\...\ZhDlePIYfS.exe.log, ASCII 10->56 dropped 76 Contains functionality to steal Chrome passwords or cookies 10->76 78 Contains functionality to capture and log keystrokes 10->78 80 Contains functionality to inject code into remote processes 10->80 82 Contains functionality to steal Firefox passwords or cookies 10->82 18 ZhDlePIYfS.exe 4 4 10->18         started        21 ZhDlePIYfS.exe 10->21         started        84 Injects a PE file into a foreign processes 14->84 23 vlc.exe 14->23         started        25 vlc.exe 14->25         started        27 vlc.exe 14->27         started        33 2 other processes 14->33 29 vlc.exe 16->29         started        31 vlc.exe 16->31         started        35 2 other processes 16->35 signatures5 process6 file7 50 C:\Users\user\AppData\Roaming\vlc.exe, PE32 18->50 dropped 52 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 18->52 dropped 37 wscript.exe 1 18->37         started        process8 process9 39 cmd.exe 1 37->39         started        process10 41 vlc.exe 3 39->41         started        45 conhost.exe 39->45         started        file11 54 C:\Users\user\AppData\Local\...\vlc.exe.log, ASCII 41->54 dropped 68 Multi AV Scanner detection for dropped file 41->68 70 Machine Learning detection for dropped file 41->70 72 Contains functionality to steal Chrome passwords or cookies 41->72 74 3 other signatures 41->74 47 vlc.exe 2 1 41->47         started        signatures12 process13 dnsIp14 58 swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu 78.129.249.105, 2017 IOMART-ASGB United Kingdom 47->58
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7b4088ae7dcb358f6054c3945ca02e944009dafbfc96267f95bae4049c5eca57/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-23 12:14:32 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pnairlt5zm2y6ycuyokfzibosraatwx37slcm74vxlsajhc6zjlq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3b1b352f3c4d0fe235b45d9db418e1e4155ab31265ee368ed646ac38071a2eda
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4b8335250b1cfcb5fac9790261dd43f5efcbc187c68961ee5afd34662d0599ed
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
61d9f4cbc76b7889d7d17d262b63c0fd2ee40642653063b1eb6ab84397f8c57b
RemcosRAT
80633cf6f53854e8c478e74ae93e4456f7730d323ca9d57d445de570a7ee7f45
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
RemcosRAT
dfd3c33bf7be405cea03a045f3df2d9ff35f04c7da918eb916b6f224a58eea1f
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 2'070 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210323-7k4l91mg7n/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu:2017
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/d2ccd3d8-7bd4-4a66-8422-bba152c72cff/
SH256 hash:
7b4088ae7dcb358f6054c3945ca02e944009dafbfc96267f95bae4049c5eca57
MD5 hash:
8c7fdfe7fc53a9ed5d440aca7a1f70aa
SHA1 hash:
3d7f0923614e1173b472b9e7b6ca5e1ccfdb0d84
Link:
https://www.unpac.me/results/d2ccd3d8-7bd4-4a66-8422-bba152c72cff/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/7b4088ae7dcb358f6054c3945ca02e944009dafbfc96267f95bae4049c5eca57

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: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.

Web download

RemcosRAT

Executable exe 7b4088ae7dcb358f6054c3945ca02e944009dafbfc96267f95bae4049c5eca57

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1085630/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1086278/
Cape
Cape
https://www.capesandbox.com/analysis/126715/

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